Some rare earth enterprises will waste water discharged into the the Yellow River
- Details
- Category: Rare Earth News
- Published on Wednesday, 07 May 2014 11:39
The world of rare earth production 95% concentrated in China, production of rare earth products of high growth in bring economic benefits at the same time, also has brought serious environmental pollution. The reporter was informed that, as the emission standard of rare earth production enterprises, environmental protection department is currently preparing "rare earth smelting industry pollution prevention feasible technical guide" (hereinafter referred to as the guide), and solicit the public opinions.
In recent years, the industry of rare earth smelting in China entered a stage of rapid development, and become the world's biggest producer of rare earths. According to statistics, China's existing rare earth smelting enterprises up to 100, rare earth minerals output from 73000 tons in 2000, increased to 129400 tons in 2009, almost doubled, accounting for about 95% of the world.
However, the yield of rare earth products of high growth in bring economic benefits at the same time, also has brought serious environmental pollution. For example, there are ammonia nitrogen, fluoride wastewater discharge problems of rare earth production process. At the same time, also produce fluorine and oxygen and sulphur emissions. The guidelines for the preparation of said, "with all kinds of rare earth metals and their alloys with annual output of 30000 tons, annual emissions of 1200 tons of rare earth electrolysis flue gas fluoride, some enterprises also have direct emissions or simple processing can not meet the discharge standards issues." In addition, radioactive waste discharge and two pollution problems can not be ignored.
According to this explanation says, rare earth ore always associated radioactive thorium radioactive waste, which, Baotou rare earth ore processing is the most prominent. Baotou area annually produces 50000 tons of radioactive waste, Gansu rare earth company annual production of more than 1 tons of water leaching residue. "Some enterprises in Baotou City, the water leaching residue into permanent radioactive residue library storage, some enterprises will waste water directly discharged into the tailings dam of Baotou Steel, some enterprises take the water leaching slag water into the drainage ditch into the ground and came to the Yellow River. Gansu rare earth company into the water and wastewater discharged into self-contained with leaching residue of tailings dam, some enterprises have any stockpiling radioactive waste, without any protective measures, the surface water and the surrounding environment, resulting in different levels of radioactive contamination." Explanation of compiling wrote.
Environmental Protection Department of the relevant responsible person said, in recent years, China implemented more stringent protective mining policy and ecological and environmental protection standards for rare earth resources and environment, strict industry access. Including, accelerate the formulation and improvement of rare earth mining and production standards, the implementation of strict environmental access system, strictly enforce the "discharge standard of pollutants for" rare earth industry, the rare earth industry environmental risk assessment system.
"The guidelines are currently being developed to make full use of the successful experience of pollution prevention and control management system in developed countries, combined with the actual situation of Chinese rare earth industry, which has a guiding role for China's rare earth smelting industry pollution prevention and control. As long as the strict implementation of guidelines, will ensure that the rare earth production enterprises pollutant discharge standards and clean production standard." The responsible person said.
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From four aspects to solve this rare earth
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- Category: Rare Earth News
- Published on Wednesday, 07 May 2014 11:35
Rare is the important strategic resources, known as the "industrial vitamin", widely used in new energy, new materials, electronic information, aerospace and other fields. At present, the rare earth production in China occupies the absolute position, perennial accounted for over 90% of the world, but the development of China's rare earth industry is in the domestic trouble and foreign invasion.
Sadie, Financial Research Institute expert He Rongliang Wen pointed out that, for a long time, problems of environmental pollution problems, resource utilization efficiency is low, the lack of core technology related products R & D, restricts the sustainable development of rare earth industry in china.
To solve the bottleneck problems faced in the development of China's rare earth industry, put forward four suggestions he Rong Liang: first, adjust the export of rare earth policies, establishment of environmental management system. One is to establish the system of enterprise environmental certification standards. The EU "green barriers" policy of our country's enterprises have run into a wall, the enterprise of rare earth production in China, to establish environmental remediation, mining, production and other aspects of environmental control system. Two is the establishment of rare earth export enterprises in key environmental protection monitoring system and security system.
Second, a rare earth environmental tax, alleviate the pressure of local governance cost. To accelerate the environmental protection tax, suggested sharing by the central and local fixed proportion, and environmental governance responsibility outstanding local government. In addition, allocated by the central government re pollution of the environment management of special funds, according to the area of rare earth mining and smelting scale, pollution control investment demand, governance, progress, fund allocation.
Third, adjust the resource tax, reflect the real value of the rare earth market. Low resources tax to reflect the social costs of rare earth consumption, difficult to achieve resource conservation, suggestions for further adjustment of rare earth resources tax. One is to reform the tax method, from the amount of ad valorem levy to raise enterprise, rare earth mining cost, play a dual role in the protection of resources and environment. The two is to reflect the differential income, improve the resource tax levy in proportion.
Fourth, the implementation of tax rebates and fund support policy, manifests the resources I used the principle. Actively support the technology innovation of Chinese enterprises, to reverse the situation of rare earth technology heteronomy. Strengthen the fiscal and taxation support, establish the tax return and the fund support, incentive policies. One is the tax refund system. Two is the special technological fund support. The three is the key technology to support.
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Nebraska rare earth project will bring enormous economic opportunities
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- Category: Rare Earth News
- Published on Wednesday, 07 May 2014 11:33
Elk Creek American village is located in southeastern Nebraska only about 100 people, however, with the rapid development of the Canada Company to develop near a rare earth mine plan, rapid population growth will be in the future. Last week at the Vancouver NioCorp development company said, has been as rapid drilling $5500000 for core sample analysis, Elk Creek near the mining area. The ore mainly Nb, but most importantly, there are other rare earth elements. According to World-Herald, the mine's construction cost about $400000000. USA currently required NB all rely on imports, domestic no mines produce niobium. NioCorp CEO Mark Smith said, "if everything goes smoothly, is expected to the feasibility study report at the end of the year will be completed investment."
In the past ten years, niobium demand and prices are more substantial growth. Wear resistance of Nb has high heat resistance, so the pipeline must be nb. However, it also can increase the hardness of the steel, used in aviation, military field, therefore, Nb is USA government as a strategic metal. The use of basic niobium has so far not found alternatives.
The current global 92% NB by Brazil a private enterprise production, while about 95% of global rare earth from China, used in industrial fields of green technology, national defense system and consumer electronic products. At present in the China outside only two mines, one is Australia Reiner's Mount Weld mine, another is molybdenum company in California Mountain Pass. Niocorp expects Elk Creek mine will be put into operation in late 2016, 150-250 available jobs.
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China urged the rare earth production enterprises sewage and clean production standard
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- Category: Rare Earth News
- Published on Wednesday, 07 May 2014 11:30
The world of rare earth production 95% concentrated in China, production of rare earth products of high growth in bring economic benefits at the same time, also has brought serious environmental pollution. The reporter was informed that, as the emission standard of rare earth production enterprises, environmental protection department is currently preparing "rare earth smelting industry pollution prevention feasible technical guide" (hereinafter referred to as the guide), and solicit the public opinions.
In recent years, the industry of rare earth smelting in China entered a stage of rapid development, and become the world's biggest producer of rare earths. According to statistics, China's existing rare earth smelting enterprises up to 100, rare earth minerals output from 73000 tons in 2000, increased to 129400 tons in 2009, almost doubled, accounting for about 95% of the world.
However, the yield of rare earth products of high growth in bring economic benefits at the same time, also has brought serious environmental pollution. For example, there are ammonia nitrogen, fluoride wastewater discharge problems of rare earth production process. At the same time, also produce fluorine and oxygen and sulphur emissions. The guidelines for the preparation of said, "with all kinds of rare earth metals and their alloys with annual output of 30000 tons, annual emissions of 1200 tons of rare earth electrolysis flue gas fluoride, some enterprises also have direct emissions or simple processing can not meet the discharge standards issues." In addition, radioactive waste discharge and two pollution problems can not be ignored.
According to this explanation says, rare earth ore always associated radioactive thorium radioactive waste, which, Baotou rare earth ore processing is the most prominent. Baotou area annually produces 50000 tons of radioactive waste, Gansu rare earth company annual production of more than 1 tons of water leaching residue. "Some enterprises in Baotou City, the water leaching residue into permanent radioactive residue library storage, some enterprises will waste water directly discharged into the tailings dam of Baotou Steel, some enterprises take the water leaching slag water into the drainage ditch into the ground and came to the Yellow River. Gansu rare earth company into the water and wastewater discharged into self-contained with leaching residue of tailings dam, some enterprises have any stockpiling radioactive waste, without any protective measures, the surface water and the surrounding environment, resulting in different levels of radioactive contamination." Explanation of compiling wrote.
Environmental Protection Department of the relevant responsible person said, in recent years, China implemented more stringent protective mining policy and ecological and environmental protection standards for rare earth resources and environment, strict industry access. Including, accelerate the formulation and improvement of rare earth mining and production standards, the implementation of strict environmental access system, strictly enforce the "discharge standard of pollutants for" rare earth industry, the rare earth industry environmental risk assessment system.
"The guidelines are currently being developed to make full use of the successful experience of pollution prevention and control management system in developed countries, combined with the actual situation of Chinese rare earth industry, which has a guiding role for China's rare earth smelting industry pollution prevention and control. As long as the strict implementation of guidelines, will ensure that the rare earth production enterprises pollutant discharge standards and clean production standard." The responsible person said.
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The so-called rare earth in China is only a narrow nationalism pain myths
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 17:12
U.S., EU and Japan to prosecute Chinese restrictions on rare earths , tungsten, molybdenum exports, China has put forward " protecting the environment " is a very Western way of saying to refute , and WTO ( World Trade Organization ) eventually stand on the side of the United States , ruled against China , requiring China to eliminate export restrictions on rare earth. Our topic for today talking about here . In this regard , the United Kingdom , said , " This is a major victory for the U.S. , EU and Japan made ", while Japanese media is unashamedly commented , "China 's strategy failed completely ."
As we all know , a long time, there is the rare earth industry , " gold" , is widely used in cutting-edge technology and defense fields. If the 20th century was the century of oil , then the 21st century is the century of rare earths . "Liberation Army Daily " commented April 7 article says , but because the relevant technical and other reasons, but in the rare earth mining process on the environment caused great damage to our country but also because a large number of long-term supply of rare earths to the global market , to pay the heavy environmental price .
Rising prices of rare earth , rare earth goodbye to the West " cabbage price " era , they shouted unfair . The long-term in China accounted for only 36 percent of the world's total reserves , but supplies the world market for more than 90 % of the rare earths , is this fair? In this regard , some analysts have responded by saying that we are outside the bargaining , they can promote the " China to only 23 percent of rare earth reserves , long-term supply more than 90 percent of the global market demand, China 's contribution is enormous ."
Wang Tao of the article says, but should be realistic and admit that China is about 100 million 2 million tons of rare earth reserves , the world's total annual supply of 120,000 tons of market demand just enough to supply around 1000 . Today, many people still remain in China's rare earth reserves account for 90 percent of the world's era of old data , the data itself is not wrong . 30 years ago, China Baotou Bayan Obo found in thousands of tons of rare earth minerals, then in addition to China , other foreign reserves have been found in very small , so China 's rare earth reserves account for 90 % of the then world's proven reserves.
But , after all, 30 years ago laohuangli , but also to be noted that the light rare earth reserves are talking about here are light rare earths , as time goes by , the world discovered thirty years ago, not long from to 20 million tons , soared to more than 600 million tons now . Despite China's own reserves have increased several times, but new discoveries outside of China 's rare earth reserves , but for almost a hundredfold increase over the dilution of our accounting . The results will produce a lot of spreading false argument.
What is " China 's rare earth reserves less and less ", " two-thirds of China's rare earth resources have been dug , sold abroad to a " sort of . In fact, this is totally misunderstood . So what China's own reserves increased by how much? Data show that China 's reserves of light rare earth , to the maximum exploitation of domestic mining enterprises the ability to calculate , even at full capacity in two to three hundred years also dug endless . Thus , rare earth obviously belongs only to general resources , not scarce resources. Hard to say which is a scarce resource, what needs to be diminishing quotas to enhance the protection , then losing in the WTO , and not surprisingly it.
User Qingqing reprint this article said, the participating countries under the WTO framework is general products do not restrict exports , implementing protection policies only for scarce resources . Otherwise certainly be lost , and in the appeals process is not much room for maneuver. In addition, civil been widely rumored , " resource-poor Japan has been China 's big purchase certain resources , and buried in the sea to save up to prepare for the coming decades purposes ." In this classic segment yard, so-called " China 's XX Resources" are all sorts of different minerals plus noun, from "Coal " to " rare " and so forth.
But if asked specific burial place , operating time, the number of burial , the other side of prevarication . To know that we have today is not the lack of information era , multi asked if we will be able to find a few flaws . China " Rare pain" myth , in fact, some experts and scholars , the use of readers ( including most government officials ) lack of professional weakness , and preached up . Let's dissect what "rare earth pain" comes from. First, once accounted for 90 percent of the changes in the world until now only 23% of the proportion , but made no mention of specific reserves by changing the data from the China Rare Earth .
Mistaken about China's rare earth dug over, but not foreign , but kept the dig , so the ratio of Chinese stocks declined. Next, is preaching what with the rapid economic development in China , the few remaining existing reserves of rare earth , it will be difficult to meet the needs of China 's own development. Coming soon become a net importer , we will not only spend a few times , hundreds of times the money is more likely to be clamped in the strategic western countries . Ultimately, it is natural to conclude that such a treasured resource , and now they are a lot of cheap exports , depleted, so the threat to the future development of China itself , of course, to launch a "rare earth Battle " was.
As we all know , the annual consumption / ratio of proven reserves of more than 100 years , generally fall out of the scope of scarce resources , more than 500 years , can be seen as basically almost infinite number of excess resources . Rare , especially light rare earths , the world discovered a few decades ago is not more than the amount of the era , was then regarded as a strategic resource , this is normal. Exploration results available to more and more today , light rare earth reserves outside of China are enough to supply the world in 5000 , with China , can supply 6000 years.
Wang Tao 's article concluded by stressing that , from the facts, just a light rare earth resources in general , rather than scarce resources. Neither the value of specialized security , and no strategic significance of bargaining , but giving others a handle . Is this not scarce in the world can say abundant, while consumption is still meager light rare earth , do not have protection, meaning there is no protection . China initiated this so-called "rare earth Battle " Unfortunately, the start was wrong, all wrong on the way , the result is of course ridiculously wrong .
Now what does not exist , " China 's rare earth reserves decreasing ," so that enough of their own future use, but also cheap cheap " , then how can any" rare pain "mean ? At best be called " fake pain" it ! People do not have to " rare false pain" waste of emotion . At the same time , there are comments wrote , Geneva time on March 26 , the World Trade Organization (WTO) ruling against China in the United States , the European Union (EU) and rare earth exports to Japan in the dispute , it can be said that China's accession to the WTO 10 Over the years the biggest defeat suffered .
Bing Chen quarter of the article says, " Rare war " between China and the developed Western countries for a long time , dissatisfaction with China in recent years, mainly because the latter decreasing exports of rare earths . The dispute sudden warming since the second half of 2010. In early September 2010 to coincide with the Day " Diaoyu Islands collision " , while Japan is not only the world's biggest importer of rare earths , and its imports almost all from China ( Japan is the second country in the world rare earth consumption , imports nearly 20 percent of global rare earth ) , many a time the Western media have speculation, " China is trying to control exports of rare earths to achieve political objectives ."
So why exactly is so rare it affects people ? Because of its importance is evident. Rare is lanthanum, gadolinium and other 17 kinds of special metallic elements collectively , they have a strong magnetic force , or , or can enhance the ability of the metal temperature . These elements are widely used in all industrial fields, especially critical for the current very popular new energy and other high-tech products. So , 20 years ago, Deng Xiaoping once said this: "The Middle East has oil , China has rare earths ."
In recent years, Chinese government restrictions on exports of rare earths mainly based on the consideration of the following aspects : First, the rare earth mining and processing can cause serious environmental pollution of the atmosphere , surface water, soil and other aspects , is typical of high pollution, high energy consumption, consumption of resources sex industry ; second , in 2010 10 years before the oversupply in the international market of rare earth , Chinese manufacturers have no pricing initiative , the price all the way down , there has been the so-called "gold selling cabbage price " situation. It should be said , these demands both are reasonable.
User Lee Trinidad reprint this article said, however , on the other hand , we must also see that the Chinese government in order to safeguard their legitimate interests , but it took a lot of very wrong means. I think , in large part , this is trapped in his own people inside and outside the crux of embarrassment . First ( and most important ) , issued from 2010 rare earth export licenses and quotas are almost declining. Secondly , and this is closely related to the establishment of so-called rare earth reserve system , and the first batch of 11 designated national planning mines , industry access conditions set by the government and approved by miners .
Third, raise tariffs and export of rare earth rare earth resources tax. We mention some of these policies - such as export quotas and tariff increases - most likely in direct conflict with WTO rules , summary, China, the United States and Europe Day "rare earth dispute " with China Australia, Brazil and other countries , " iron ore dispute " in nature is the same, although one is exported , and the other is imported . "Gold selling cabbage price" when China's exports of rare earth and " cabbage price to buy gold ," Chinese imports of iron ore when the facts are irrefutable , we are indeed at a disadvantage .
However, in order to solve this problem , the Chinese regulatory authorities always involuntarily planned economy to regain control of the executive and the old ways , but the practice for decades has repeatedly proved that this approach runs counter to the market economy not only makes us哑巴吃黄连, where not the people outside , but is actually impossible to achieve the desired goals of these policies are implemented , but the only result was a monopoly for domestic interest groups provide fertile soil unearned only.
According to " Chongqing Youth Daily" reported on April 4 , the economist Lang as early as March 21, 2012 , had issued a prophecy microblogging with a strong personal feelings : "This incident shows that we are concerned experts and officials units for the low level of understanding of WTO rules , so I was shocked . We published only after losing to populist -oriented statement that obscures negligent officials. After China 's accession to WTO sued 26 times, lost all three . "
" The main reason is the competent officials and experts do not understand WTO rules. WTO quota is expressly forbidden to engage in , but we engage in blatant quota for rare earths . WTO rules government can not subsidize commercial research and development, the European Union the United States to subsidize Airbus Boeing dare to conceal the name of science , only to tell the world we beat drums , we made large aircraft subsidies openly 49.8 billion yuan , the future Once exports will become
The defendant . "
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During the proceedings in the rare earth sector policy vacuum
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 17:10
During the rare earth litigation policy vacuum plate in addition, delays in purchasing and storage leads to weak prices. New energy automotive industry chain , TSLA stock price correction and Musk 's visit meant the end of short-term positive out to do, but we remain optimistic about the long-term investment opportunities in the industrial chain . 3D Global stocks fell significantly in the first half , but it is worth mentioning that the opening in June of two 3D industry event .
A metal price performance . The last week before the holiday , magnesium ingot price weekly gain of 1.3 %, followed by manganese prices rose 0.7%. Rare earth prices remained weak.
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May 6, 2014 market price of rare earth products
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 17:10
May 6, 2014 market price of rare earth products
Name | Specifications | Origin / Mark | Reference Price | Average | Change |
Rare earth carbonate | REO 42.0-45.0% | Domestic | 24000-25000 yuan / ton | 24500 | 0 |
Lanthanum oxide | La2O3/TREO 99.5-99.9% | Domestic | 19000-20000 yuan / ton | 19500 | 0 |
Cerium oxide | CeO2/TREO 99.5-99.9% | Domestic | 20000-21000 yuan / ton | 20500 | 0 |
Praseodymium oxide | Pr6O11/TREO 99.0-99.9% | Domestic | 570000-580000 yuan / ton | 575000 | 0 |
Neodymium oxide | Nd2O3/TREO 99.0-99.9% | Domestic | 315000-325000 yuan / ton | 320000 | 0 |
Samarium oxide | Sm2O3/TREO 99.5-99.9% | Domestic | 17500-18500 yuan / ton | 18000 | 0 |
Europium oxide | Eu2O3/TREO 99.95-99.99% | Domestic | 3950-4050 yuan / kg | 4000 | 0 |
Gadolinium oxide | Gd2O3/TREO 99.5-99.9% | Domestic | 145000-155000 yuan / ton | 150000 | -2500 |
Terbium oxide | Tb4O7/TREO 99.95-99.99% | Domestic | 3000-3200 yuan / kg | 3100 | 0 |
Dysprosium oxide | Dy2O3/TREO 99.5-99.9% | Domestic | 1600-1650 yuan / kg | 1625 | 0 |
Erbium oxide | Er2O3/TREO 99.5-99.9% | Domestic | 320000-330000 yuan / ton | 325000 | 0 |
Yttria | Y2O3/TREO 99.995-99.999% | Domestic | 50000-52000 yuan / ton | 51000 | -3000 |
Praseodymium , neodymium oxide | (Nd2O3 + Pr6O11) / TREO ≥ 75.0% | Domestic | 325000-328000 yuan / ton | 326500 | 0 |
Metal lanthanum | La / TREM ≥ 99.0% | Domestic | 48000-52000 yuan / ton | 50000 | 0 |
Metal cerium | Ce / TREM ≥ 99.0% | Domestic | 56000-58000 yuan / ton | 57000 | 0 |
Metal Pr | Pr / TREM 96.0-99.0% | Domestic | 800000-840000 yuan / ton | 820000 | 0 |
Neodymium | Nd / TREM 99.0-99.9% | Domestic | 410000-420000 yuan / ton | 415000 | 0 |
Metal terbium | Tb / TREM ≥ 99.9% | Domestic | 4400-4600 yuan / kg | 4500 | 0 |
Dysprosium | Dy / TREM ≥ 99% | Domestic | 2400-2600 yuan / kg | 2500 | 0 |
Metal yttrium | Y / TREM 99.9-99.95% | Domestic | 270-290 yuan / kg | 280 | 0 |
Lanthanum cerium metal | Ce / TREM ≥ 65.0% TREM ≥ 98.5% | Domestic | 38000-42000 yuan / ton | 40000 | 0 |
Praseodymium neodymium metal | Pr / TREM 20-25% Nd / TREM 75-80% TREM ≥ 98.5% | Domestic | 415000-425000 yuan / ton | 420000 | 0 |
Praseodymium , neodymium and dysprosium metal | TREM ≥ 99.0% | Domestic | 420000-430000 yuan / ton | 425000 | 0 |
Battery grade mixed rare earth | TREM ≥ 99.0% Nd / TREM ≥ 15% | Domestic | 135000-145000 yuan / ton | 140000 | 0 |
Dy alloy | Dy80% | Domestic | 1650000-1700000 yuan / ton | 1675000 |
0
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In 2014 one quarter of Sichuan Province, the rare earth industry to achieve the main business income of 1743000000
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 15:32
From Sichuan province classics is believed appoint data display, in 2014 one quarter of Sichuan Province, rare earth production of single rare earth metal 417 tons, grow 17% compared to the same period.
Rare earth industry to achieve the main business income of 1743000000 yuan, down 21.51%; to achieve profits of 214000000 yuan, an increase of 21.81%; realize profit 153000000 yuan, grow 34.24% compared to the same period.
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Praseodymium, neodymium, dysprosium, gadolinium edged europium, terbium deserted
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 15:23
With the expected time of storage and closer, a slight rebound dysprosium oxide and dysprosium iron price, before the price in the 1700000 yuan / tons of succession to the price back to 1700000, Dy Fe present with ticket prices rebounded slightly 2-3 yuan / ton, the mainstream price is more concentrated in the 1750000 yuan / ton. Although many businesses have a positive expectation of storage, there are some people in the industry reflect, according to the usual situation, wait until the real storage after execution, prices fell. But now because Shouchu not exactly news, not good grasp the specific point in time. In addition to praseodymium neodymium oxide, dysprosium oxide, prices appear small surging, now businesses will gadolinium oxide prices from 150000 raised to 155000 yuan / ton.
Today, rare earth market main product prices remain stable, partial businessman is just a slight increase in PR nd, Dy products quotation, the praseodymium neodymium were relatively good, the volume is still larger cerium, lanthanum. According to the Baotou area manufacturers expected, early May praseodymium neodymium metal and oxide prices stable or slightly rising, decline is unlikely. Today, praseodymium and neodymium metal stable at 420000 yuan / tons, praseodymium neodymium oxide is stable or slightly rising slightly, in the range of 3-5 yuan / ton, according to the manufacturer the Baotou area feedback now praseodymium neodymium metal without tickets 355000 and above, praseodymium neodymium oxide without tickets 285000 yuan / ton.
But the europium, terbium market is still relatively deserted, transactions weak, with traders to reflect the recent daily average no inquiries and purchasing, sales volume is not good, there is pressure on the stock, according to the businessmen said, now europium oxide without tickets 3200 yuan / kg, with votes in the 3800-3900 yuan / kg. Terbium oxide without tickets 2800 yuan / kg, prices showed little change.
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China synthetic natural rubber technology to obtain major breakthrough
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- Category: Rare Earth News
- Published on Tuesday, 06 May 2014 15:21
The Chinese Academy of Sciences Changchun Institute of applied chemistry relevant responsible person said, the national science and technology support program, "863" project support, synthetic natural rubber - rare earth isoprene rubber technology has made significant achievements, the achievements in the world leading level.
Our country is a natural rubber consuming country, the annual consumption of more than 3800000 tons. At the same time, our country is a natural rubber resource poor countries, the annual output of only 600000 tons, self-sufficiency rate of less than 1/4.
Rare earth isoprene rubber is composed of isoprene with rare earth catalyst CIS polymerization, because of their structure and properties and natural rubber is approximate, it is also called synthetic natural rubber, synthetic rubber instead of natural rubber is the most ideal. The Chinese Academy of Sciences Changchun Institute of Applied Chemistry of synthetic rubber laboratory through innovative research, the development of rare earth isoprene rubber became the isoprene rubber at home and abroad application performance is most close to the natural rubber, and the first rare earth isoprene rubber and natural rubber vulcanized synchronous speed, the realization of arbitrary proportion of rare earth isoprene rubber to natural rubber substitution. They successfully developed high activity, high CIS orientation of the rare earth catalyst system, greatly reduces the cost of the catalyst; method of double olefin coordination reversible chain transfer polymerization, improve the re utilization; development of advanced adiabatic polymerization technology, bonding technology of high viscosity glue reduction, energy saving condensation booster injection technology and other 15 patents, proprietary technology, advanced technology integrated reactor, advanced automatic control and energy saving and environmental protection, chemical industry, the formation of China's first million tons of rare earth isoprene rubber production technology packages, laid the foundation for the acceleration of rare earth isoprene rubber the size of China's industrialization.
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