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acid fracturing waste water harmless disposal procedures act

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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acid fracturing waste water harmless disposal procedures act
Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · A significant part of the anthropogenic emissions of heavy metals ends up in wastewater. Major industrial sources include surface treatment processes with elements such as Cd, Pb, Mn, Cu, Zn, Cr, Hg, As, Fe and Ni, as well as industrial products that, at the end of their life, are discharged in wastes.

Heavy Metal Complexes Wastewater Treatment with Chelation ...
Heavy Metal Complexes Wastewater Treatment with Chelation ...

Because chelator can be used directly to treat acidic ,wastewater, containing ,heavy, metals, it is unnecessary to destroy the constitution of ,metal, complexes preliminarily, and therefore the cost for ...

Removal of heavy metal from industrial wastewater using ...
Removal of heavy metal from industrial wastewater using ...

Adsorption using commercial activated carbon (CAC) can remove ,heavy, metals from ,wastewater,, such as Cd (Ramos et al. 1997); Ni (Shim et al. 2001); Cr (Ouki et al. 1997); Cu (Monser and Adhoum, 2002). However, CAC remains an expensive material for ,heavy metal, removal.

pH Effect on Heavy Metal Release from a Polluted Sediment
pH Effect on Heavy Metal Release from a Polluted Sediment

The results indicate that it is likely to cause water pollution due to heavy metal release when acidic liquid is discharged into the river due to wastewater drainage or accidents. Ca 2+ , Mg 2+ , K + , Na + , and other alkaline ions in sediment colloid adsorption are displaced due to the strong exchangeable capacity of H + in leaching solution.

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