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Industrial treatment of nickel acid wastewater

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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Industrial treatment of nickel acid wastewater
Removal of heavy metals from wastewater - Ekoton
Removal of heavy metals from wastewater - Ekoton

One traditional method for removing heavy metals from wastewater is the sulfide method, which consists of precipitating heavy metals sulfides with sodium sulfide (Na 2 S) and further treating the wastewater with calcium hydroxide. The disadvantage with this method is the formation of heavy sedimentation and difficult filtering deposits.

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

Wastewater treatment, of the paper industry should focus on improving the recycling rate, ... ,sodium sulfide,, ,sodium, sulfate, and other ,sodium, salts combined with organic matter in black water. ... ,Acid wastewater, mainly comes from steel plants, chemical plants, dye plants, ...

Wastewater Characterization - Hazardous Wastes
Wastewater Characterization - Hazardous Wastes

They are generally removed through alkaline precipitation, clarification, filtration, and settling processes. The wastewater is treated with sodium sulfide to reduce hexavalent chromium to trivalent chromium, VO hO. Alkaline slurry. To atmosphere. Scrubber. NaHS03. Radiating tank. Gases. Weak NaHSOo. Wet dust collection. Slurry liquor. Centrifuge. Dryer. Waste

Best Practices for Wastewater Treatment and Management ...
Best Practices for Wastewater Treatment and Management ...

30/11/2017, · ,WASTEWATER TREATMENT,. ,Wastewater treatment, can include primary, secondary, and tertiary ,treatment, steps. Primary ,treatment, is a physical operation, usually gravity separation, to remove the floating and the settleable solids in the ,wastewater,. Primary ,treatment, can comprise of grit removal and screening, sedimentation, and floatation followed by filtration.

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