GY Chelating Collector
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 is only 0.01 millimeters - 0.03 millimeters, when grinding ore, it is very difficult to master and difficult to operate. Shizhuyuan tungsten ore is mixture of scheelite and wolframite, the ratio is 3:7, associated with more than 20 minerals, a variety of mineral components are mixed together, and very difficult to separate.
How to separate and recycle shceelite and wolframite mixture? In 1999, Zhang Zhongliu and several other scholars used GY series of chelating collector test in shizhuyuan. According to the mineralogical characteristics of shizhuyuan tungsten molybdenum bismith fluorite polymetallic ore, using the modified water glass selective inhibition of gangue minerals such as fluorite etc., using lead salt to activate wolfram minerals, mixed flotation of wolframite and scheelite with new type of GY chelate collector, the scheelite concentrate is obtained by heating and selecting the mixed coarse ore concentrate. Moreover, the wolframite concentrate is obtained by flotation of the selected tailings with GY collector.
The industrial test results show that the WO3 can reach 70.07% and the total recovery of tungsten can reach 81.62% when the ore is 0.47% WO3 and the GY concentrate is recycled by using a collector. Compared with the traditional 733 oxidation paraffin wax method, the process is simpler and the recycle rate is greatly improved, in addition, 99% of the CaF2 has entered the floating tailings and created favorable conditions for the recycle of fluorite from the tailings. The success of the new flotation process of scheelite and wolframite by GY method is mainly reflected in the effective separation of scheelite and fluorite in mixed flotation, improve the scrambler flotation and inhibition of the active recovery of wolframite in the selection. It can be said that the application of GY series chelating collectors is the savior of many low benefit mines on the verge of bankruptcy.
In recent years, based on GY series chelating collectors, scholars have also developed many new GY series of drugs and combinations to keep up with the times, such as CF-GY shizhuyuan method, provide many effective mining scheme for increasing tungsten resources in China.
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