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Water treatment technology of fracturing flowback fluid

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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Water treatment technology of fracturing flowback fluid
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 are CaO and Ca (OH) 2 respectively.

Coal Mining Effluent Guidelines | Effluent Guidelines | US EPA
Coal Mining Effluent Guidelines | Effluent Guidelines | US EPA

Wastewater, is generated during the mining process from groundwater produced during coal extraction, from water used by operators for equipment cooling and dust control, and from precipitation entering mines. ,Wastewater, is also produced during the coal preparation process, and from contaminated stormwater at coal storage facilities.

Removal of pollutants from acid mine wastewater using ...
Removal of pollutants from acid mine wastewater using ...

15/11/2004, · ,Acid mine waters, typically contain high concentrations of dissolved heavy metals and sulphate and can have a high turbidity and pH values as low as 2. These conditions may prohibit discharge of untreated, acid mine waters, into public streams, as they have a detrimental effect on aquatic plant and fish life.

Wastewater Minimization and Reuse in Mining Industry in ...
Wastewater Minimization and Reuse in Mining Industry in ...

As seen above, the ,mine, water consists of a considerable amount of dissolved minerals which give rise to increase in water hardness. The pH indicated here is particularly for Illawarra region. In most of the other regions the pH can be as low as 2 - 3 resulting in ,acid mine, drainage. This low pH is mainly due to oxidation of sulphides in coal.

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