Tungsten Oxide

GY chelate collector is the pioneer of the flotation industry in recent years, it is chelate class and fatty acid mixture, there are many categories. The collection of tungsten ore is mainly made up of benzoic acid and fat collector, GYB and GYR. GY chelating collectors are popular, mainly because they have good selectivity and strong collecting ability. It has good flotation performance for wolframite and scheelite or other nonsulfide etc.. The wolframite and scheelite tungsten ore can be separated without mixing and flotation, which is suitable for the present situation of "lean, thin, miscellaneous and mixed" of the tungsten ore resources in China. The most famous applications of GY chelating collector is Hunan shizhuyuan polymetallic ore mining. As everyone knows, shizhuyuan polymetallic ore mining industry is recognized as the most difficult dressing in China, their composition is complex, and the size of the mineral inlay is very fine, and the average size...

Hunan Shizhuyuan Tungsten Polymetallic Mining Area is a large deposit with a variety of minerals, with up to 143 kinds of mineral varieties. It is mainly composed of tungsten, tin, bismuth and molybdenum, and is rich in fluorite, copper, lead and zinc , sulfur, iron, gold, silver, beryllium, niobium, tantalum and other minerals, the economic value is difficult to estimate. Shizhuyuan ore mineral embedded in the complex size of the mineral industry is recognized by the most difficult mineral processing. The ratio of wolframite and scheelite ore is 3:7, and a lot of fluorite, molybdenum and bismuth are associated with it. In the early stage, shizhuyuan using the traditional method of heating and flotation to 733 oxidation of paraffin soap as a collector, the total recovery of tungsten ore is only 40-50%, a large number of waste of resources to make the economic benefits of the mine hesitant. In order to get rid of the waste of tungsten resources at an early date, at the...

Tungsten carbide (W 2 C) is composed of a tungsten and carbon black compound, six crystal, metal luster, hardness and diamond are similar, extremely difficult to melt. Tungsten carbide is a good conductor of electricity and heat, mainly used in the production of cemented carbide materials. The traditional tungsten carbide process, must be go through the production of ammonium paratungstate, tungsten powder preparation and carbonation and many other processes, the production cost is high and the process is lengthy. In order to reduce the production cost of tungsten carbide, the approach is to reduce the process from mineral raw materials to product manufacturing processes. There are many methods for the preparation of tungsten carbide. For example, high temperature melt extraction, carbonization and reduction by aluminum, tungsten carbide is directly obtained from high-purity tungsten concentrates. These methods are simple, crude and effective, but the temperature requirements ...

Four chlorophenol is a major component of biological pesticides, wood preservatives, dyes and rust removing agents. Four chlorophenol is also used in Asia, Africa and South America to prevent and control schistosomiasis; In addition, biological treatment of municipal wastewater and industrial waste water also contains chlorophenols. Four chlorophenol wastewater is a kind of three toxic agent, which is carcinogenic, teratogenic and mutagenic. It is easy to cause serious pollution to the environment and is difficult to decompose, therefore, the United States Environmental Protection Agency (EPA) has included it in the list of 129 priority environmental control pollutants. In recent years, the application of semiconductor photocatalysis technology in environmental management has received extensive attention, among them, the tungstate semiconductor photocatalyst, with its non-toxic and high photocatalytic activity, has gradually replaced the early physical and chemical treatment m...