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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 Mine Drainage Solutions for the Mineral Industry
Acid Mine Drainage Solutions for the Mineral Industry

Acid Mine, Drainage ,Acid Mine, Drainage. ,Acid mine, drainage ... The most commonly used ,neutralization, agent is ,lime,. ... and the water quality required for the ,process,, there are a number of ,treatment, options. This ,process, flow diagram depicts one possible ,treatment, design for flow rates of 500 gpm or less.

Neutralization of Wastewater in the Chemical Industry ...
Neutralization of Wastewater in the Chemical Industry ...

The ,acid mine, water can have a P.H of as low as 2.6 (Qiu et al., 2016). As such, ,neutralization, of the acidic ,mine, water takes place using Calcium Oxide, commonly referred to as ,lime, and Calcium Hydroxide (Hydrated ,lime,). The chemical formulas for ,lime, and hydrated ,lime, …

Sludge recycle and reuse in acid mine drainage treatment ...
Sludge recycle and reuse in acid mine drainage treatment ...

Neutralization of acid mine, drainage produces vast quantities of iron-rich sludge, and large quantities of unused ,lime, remain in the sludge after ,treatment,. In a study in which sludge was recycled to increase ,lime, utilization, sludge was mixed with raw ,acid mine, drainage and …

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

There are four chemical reactions that represent the chemistry of pyrite weathering to form acid mine drainage. An overall summary reaction is as follows: 2 FeS2+7 O2+2 H2O → 2 FeSO4-+2 H2SO4 Pyrite + Oxygen + Water → Ferrous Sulfate + Sulfuric Acid. The acid mine drainage waste is characterized by red water. The simplest treatment is neutralization and clarification.

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