Production of non-ammoniated technology research through the identification of rare earth

Ministry of Science and technology research institutes special fund research and development projects , " no ammoniated rare earth production technology research " results , through the identification by the Jiangxi Provincial Science and Technology Department of Technology in Nanchang .

China has a unique ionic rare earth resources in the world, plays a decisive role . And now the country ionic rare earth smelting enterprises, commonly used carbon ammonia extraction , ammonia saponification and other technology to reduce and eliminate ammonia emissions in the production process has become a major technology companies have long plagued with environmental problems.

One of three research institutes of China's metallurgical industry was founded , is "Southern ionic rare earth " discovery and naming units , successfully resolved the South China ionic rare earth development and utilization of a series of technical problems. To address the rare earth smelting process ammonia nitrogen problem , which was declared as a national research institutes MOST special funds for technology development and research project "rare earth production of non ammoniated process research " commitment unit in 2012. After nearly two years of study of new extraction agent Jiangxi Institute of engineering and technical personnel , non-ammonia extraction and separation of rare earth line saponification techniques , experimental research ammoniated process research and industrial applications , such as non- rare earth production , the project has made significant innovative achievements .

Identification of the meeting , the experts heard " no ammoniated rare earth production technology research " project group research reports and review of technical documents submitted identified , discussed and approved the formation of expert opinion : the status quo for ionic rare earth production of ammonia pollution , pioneered the ammonia leaching , ammonia-free continuous saponification , no ammonia precipitation sets of technology , to eliminate the ammonia uptake from the source to achieve a non- ammoniated rare earth production , ionic rare earth mining , separation and precipitation provide a complete set of the new processes and technologies . The experts agreed that the integration of innovative research projects remarkable technology at the international leading level , agreed to adopt the scientific and technological achievements , and recommended increased efforts to promote the application of research results .

Appraisal meeting was chaired by the Director of the Office of Science and Technology Department of Jiangxi Province Hao Xuhao achievements ; domestic famous expert Zhang Wenhai , director of Chinese Academy of Engineering of any appraisal committee , Jiangxi Rare Earth Industry Association , Nanchang University, Polytechnic University, participated in a number of units of project identification .


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