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Ecological restoration of acid coal mine 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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Ecological restoration of acid coal mine wastewater
Coal Mining Detailed Study - 2008 - US EPA
Coal Mining Detailed Study - 2008 - US EPA

5.1 ,Wastewater, Characteristics ... 6.3 ,Acid Mine, Drainage ,Treatment, Technologies References ... 9.8 Potential Environmental Impacts from ,Acid Coal Mine, Drainage References...9-8 10.0 THE ROLE OF MANGANESE ,TREATMENT, COSTS IN BOND FORFEITURES.....10-1 10.1 ,Mine, ...

THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...
THE APPLIED RESEARCH ON COAL MINE ACID WASTEWATER ...

To seek for affordable ,treatment technology, of ,coal, acidic ,waste water,,The lime neutral sediment method and the limestone neutral method are used for the ,coal mine acid waste water treatment, projects in Fenghuangshan Area of Zhijin County and Maochong ,coal mine, in Guiyang Huaxi District respectively.The former's quality of the treated water average pH is 8.06,that of TFe and TMn is 0.66 …

THE TREATMENT OF ACID MINE WASTEWATER BY COAL FLY …
THE TREATMENT OF ACID MINE WASTEWATER BY COAL FLY …

The feasibility of treating the ,acid mine, drainage(AMD) by using a process of permeable reactive barrier(PRB) was studied, where ,coal, fly ash(CFA) was used as the reaction medium. Meanwhile, the modification of CFA was conducted in chemical ,acid, modification method. The adjustment of p H and the removal of COD, sulfate and three kinds of heavy metal ions including Cd2+, Cu2+and Zn2+were ...

Treatment methods for water pollution from coal mining in ...
Treatment methods for water pollution from coal mining in ...

the presence of sulfides ,in coal,, ,wastewater, from ,coal, mining contain sulfate which can pollute the water courses (José & Sampaio, 2011). The main environmental problem of ,coal, mining is the ,acid mine, drainage which will be discussed further in this report. This report will …

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