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Recovery of acid wastewater from gold mine

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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Recovery of acid wastewater from gold mine
Preparation of Ti/Sb-SnO -GO/PbO Electrode and Its ...
Preparation of Ti/Sb-SnO -GO/PbO Electrode and Its ...

Titanium, is usually used as the substrate, and a metal oxide such as IrO 2 [16], RuO 2 [17], Pt [18], SnO 2 [19] or PbO 2 [20] is coated on the surface. It is an ideal anode material for electrochemical treatment of ,wastewater, for its high oxygen over-potential, stability and relative low cost [21]. But the service life of ,Ti,…

Nanomaterials | Free Full-Text | Exposure Route of TiO2 ...
Nanomaterials | Free Full-Text | Exposure Route of TiO2 ...

TiO 2 nanofibers were also synthesized using ,titanium,-tetraisopropoxide (TTIP) and tetrabutyl titanate (,Ti,(OBu) 4) as TiO 2 precursors [53,54]. The commercial-grade TiO 2 NPs Degussa (P25) has been used directly with a polymer blend for the fabrication of TiO 2 nanofibers which did not require a calcination step afterward [ 55 ].

Electrochemical Techniques in Textile Processes and ...
Electrochemical Techniques in Textile Processes and ...

The textile ,industry, uses the electrochemical techniques both in textile processes (such as manufacturing fibers, dyeing processes, and decolorizing fabrics) and in wastewaters treatments (color removal). Electrochemical reduction reactions are mostly used in sulfur and vat dyeing, but in some cases, they are applied to effluents discoloration.

Porous TiO2 with large surface area is an efficient ...
Porous TiO2 with large surface area is an efficient ...

First, 0.1 g DTT (calcined at 450 °C) was impregnated in 5 ml saturated iron nitrate solution. After 5 h, it was washed with deionized water in a Buchner funnel and dried at 80 °C. The ,Fe, 2 O 3 @DTT catalyst was obtained after calcination at 150 °C. The synthesis of ,Fe, 2 O 3 @HPS was similar to that of ,Fe, …

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