Types, properties and uses of molybdenum mineral processing reagents

At present, the flotation method is used in molybdenum beneficiation. The principle of flotation is to use the difference of mineral floatability to separate minerals from each other. That is, by adding flotation agents to change the physical and chemical properties of mineral surfaces, adjust the floatability of minerals or expand the difference in floatability between minerals to achieve the purpose of mineral sorting.

What is mineral processing?

Mineral processing includes three processes of ore washing, crushing and beneficiation. In the process of enriching valuable metals from low-content, multi-metal symbiotic ores and processing them into concentrates with higher metal content, various types of collectors, frothers, inhibitors, flocculants, etc. need to be added. Most of them are toxic and harmful substances, such as cyanide, arsenide, dichromate, all kinds of alkyl xanthate, substituted phenol, aniline, pyridine, hydrocarbon, alkene, ether, ketone, aldehyde ester and so on. These substances enter the environment with the discharge of mineral processing wastewater or through tailings pond, and migrate and transform in water, atmosphere and soil, forming secondary pollution, causing serious pollution to the ecological environment.

Treatment of wastewater

At present, the common mineral processing wastewater treatment methods usually have two kinds of lime neutralization precipitation method and flocculation precipitation method. Lime neutralization precipitation method is often used in acidic mineral processing wastewater containing heavy metal ions, which can remove heavy metal ions while neutralizing the acid in the wastewater, and recover valuable metals from the precipitation residue. Flocculation sedimentation method by adding FeSO4 and alum and other flocculants, so that it and heavy metal hydroxide particles in the flocculation mode bridge chain, form a larger particle co-precipitation. In order to speed up the precipitation rate of heavy metal hydroxides and improve the precipitation efficiency, technological measures can be taken to strengthen the precipitation process, such as adding inclined plates and inclined tube devices in the sedimentation tank.

Mineral processing reagent type

Mineral processing reagent mainly refers to the collector, foaming agent, inhibitor, flocculant, regulator, and hydrometallurgy used in the extraction agent, extraction with matrix improvement agent, diluent, involving various types of inorganic or organic compounds hundreds. Among them, there are 24 kinds of mineral processing agents (including arsenic, beryllium, cadmium, chromium, mercury, nickel, thallium, copper, lead and their compounds) listed in the blacklist (68 kinds) of priority control pollutants in China's water, the chemicals harmful to the environment include cyanide, hydrogen sulfide, phosphine, fluoride, arsenide, dichromate, copper sulfate, zinc sulfate, carbon disulfide, sulfurous acid, all kinds of alkyl xanthate, organic phosphorus, fatty alcohol, aniline, pyridine, hydrocarbon, alkene, ether, ketone, aldehyde ester, etc.

What are the mineral processing reagents?

Mineral processing reagent mainly refers to the collector, foaming agent, inhibitor, flocculant, regulator, and hydrometallurgy used in the extraction agent, extraction with matrix improvement agent, diluent, involving various types of inorganic or organic compounds hundreds. Among them, there are 24 kinds of mineral processing agents (including arsenic, beryllium, cadmium, chromium, mercury, nickel, thallium, copper, lead and their compounds) listed in the blacklist (68 kinds) of priority control pollutants in China's water, the chemicals harmful to the environment include cyanide, hydrogen sulfide, phosphine, fluoride, arsenide, dichromate, copper sulfate, zinc sulfate, carbon disulfide, sulfurous acid, all kinds of alkyl xanthate, organic phosphorus, fatty alcohol, aniline, pyridine, hydrocarbon, alkene, ether, ketone, aldehyde ester, etc.