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Treatment of acidic copper containing wastewater by reduction with hydrazine hydrate

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Treatment of acidic copper containing wastewater by reduction with hydrazine hydrate
SELECTIVE RECOVERY BY SOLUBILIZATION OF METALS IONS OF ...
SELECTIVE RECOVERY BY SOLUBILIZATION OF METALS IONS OF ...

collected from a local ,plant,, after the waste solutions and washing ,wastewater, treatment. The sludge to be tested was milled in a porcelain jar to obtain particles <1 μm in order to increase the reaction surface and was dried at 105 oC for 24 h (the water content of the …

Sekitar Synergy Sdn Bhd: Hydrogen cyanide (HCN)
Sekitar Synergy Sdn Bhd: Hydrogen cyanide (HCN)

2/2/2012, · ,Hydrogen cyanide, (HCN) ,Hydrogen cyanide, (HCN) is widely used as an industrial chemical in the production of synthetic fibres, plastics and nitrites and as fumigant and rodenticide. It is released by the combustion of nitrogen ,containing, plastics. It is an extremely toxic compound, rapidly producing symptoms, including headache, loss of consciousness, cardiac arrest and death.

Chapter 82 - Metal Processing and Metal Working Industry
Chapter 82 - Metal Processing and Metal Working Industry

Wastewater, effluent may contain a variety of toxic metals, sulphuric ,acid, and other impurities. Solid wastes can be contaminated with arsenic, lead, iron sulphides, silica and other pollutants. Smelter management should include evaluation and control of emissions from the ,plant,.

Identification of solid waste and hazardous waste in the ...
Identification of solid waste and hazardous waste in the ...

20/12/2019, · According to the guidance for declaration and registration of solid waste discharge and item 3 of the list of industrial solid waste, carbide slag is a calcium ,containing, solid waste, mainly composed of calcium hydroxide, which belongs to general industrial solid waste, and the first process of general industrial solid waste can be added and used by water sludge Enterprises, and can also be put …

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