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Acid coal mining 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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Acid coal mining wastewater
Water purification - Wikipedia
Water purification - Wikipedia

Water purification, is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes. Most water is purified and disinfected for human consumption (drinking water), but ,water purification, may also be carried out for a variety of other purposes, including medical, pharmacological, chemical ...

Method for arsenic removal from wastewater - Anco ...
Method for arsenic removal from wastewater - Anco ...

It is yet another object of this invention to provide a process for ,removal of arsenic, from aqueous media in which the media is supplied with ferrous ion electrolytically generated and the mixture is then oxidized with hydrogen peroxide in a sufficient quantity to oxidize the ferrous ion to ferric and the ,arsenic, specie from +3 to +5 whereby it is present primarily as the oxyacid ,arsenic acid, ...

The Pollution and Purification of Water
The Pollution and Purification of Water

Hardness ,removal, Only if water is ... Chemical methods -use of chlorine (as hypochlorous ,acid,, HOCl, or chlorine dioxide gas, ClO 2) or ozone, O 3 (pp. 616- ... ,Wastewater, and Sewage 29 ,Purification, of ,Wastewater, Water Bridgewater ,Wastewater, Treatment Plant Photo by Jonathan Xavier, 2002 30. 16

Application of Metal Oxide Heterostructures in Arsenic ...
Application of Metal Oxide Heterostructures in Arsenic ...

2.1. Activated Alumina. Activated alumina is the most commonly used adsorbent for ,arsenic removal, from ,contaminated, water [14, 16, 51, 52].The activated alumina was applied successfully for removing ,arsenic,, if the pH of ,wastewater, was slightly acidic and the competing anions were present in small concentrations [].The activated alumina has the advantage of simple and long-time operation even ...

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