TIG welding lanthanated tungsten electrode has no radioactive hazard, and has high durability current, minimum burnout rate, excellent welding performance, and the closest electrical conductivity to 2% thoriated tungsten electrode. Therefore, it is mainly used to replace the radioactively contaminated thoriated tungsten electrode.

TIG welding thoriated tungsten electrode has excellent comprehensive performance, especially can withstand overload current. It is easy to start the arc and not easy to deform. And it has characteristics of long service life, anti-oxidation, continuous arc during welding, stable arc, and no scattered arc.

How to prepare nano-porous yellow tungsten oxide photocatalyst? Or how to prepare nano-porous WO3 photocatalyst? The researchers proposed a method to prepare porous WO3 with characteristics of good chemical stability and easy separation. And the process will not cause secondary pollution to the environment.

It is reported that porous yellow tungsten oxide, or porous tungsten trioxide (WO3), is an ideal photocatalytic material as the pore structure has a strong ability to degrade dyes. Therefore, tungsten trioxide with pore structure can be used to photodegrade dyes in industrial wastewater.

Studies have shown that yellow tungsten oxide, or tungsten trioxide (WO3), can be used as a catalyst to prepare a new type of air purification composite coating – an environmentally friendly functional coating.

Researchers proposed a preparation method of TiO2-WO3 photocatalyst. The obtained TiO2-WO3 photocatalyst has strong visible light absorption at 400-800 nm, and has good efficiency for photocatalytic degradation of gas-phase toluene.

How to prepare yellow tungsten oxide photocatalytic material? The researchers successfully prepared hexagonal WO3 photocatalytic materials by a simple hydrothermal method.

Researchers have prepared a new structural yellow tungsten oxide photocatalytic material by hydrothermal method in a high-pressure reactor. Wherein, the obtained yellow tungsten oxide (WO3) has characteristics of large specific surface area, a size in the micro-nano range, good structural stability, and a narrow band gap. So, it is convenient for applications of photocatalytic degradation of organic dyes. Moreover, preparation of yellow tungsten oxide by hydrothermal method has advantages of easy availability of raw materials, mild conditions and simple operation.

Defective yellow tungsten oxide nanoparticle can be used to convert solar energy into thermal energy, thereby developing a new type of photothermal conversion material.

Yellow tungsten oxide, or tungsten trioxide (WO3), may be widely applied for producing photocatalytic coating. Tungsten trioxide has band gap between 2.4-28eV, and has good absorption of visible light. Also, it is very stable in aqueous solution. So, it is regarded as a potential photocatalytic material for visible light response. Therefore, WO3 photocatalyst with excellent visible light photocatalytic performance may be used to produce photocatalytic coating.