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Wastewater discharge of coal mine enterprises

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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Wastewater discharge of coal mine enterprises
Recycling acetic acid from polarizing film of waste liquid ...
Recycling acetic acid from polarizing film of waste liquid ...

Several highlights of this study are summarized as follows: (i) 99.77% of organic matters are removed, which means the present technology is quite efficient to recycle the organic matters; (ii) a yield of 78.23% acetic ,acid,, a quite important fossil energy based chemical product is obtained, which can reduce the consumption of fossil energy for producing acetic ,acid,; (iii) supercritical ,water, acts as an ideal solvent, a requisite reactant as well as an efficient ,acid, …

Remine Water – Remine Water
Remine Water – Remine Water

The mining sector is an important water consumer in Europe, as water is a critical component in the operation of a ,mine,. In spite of the improvement in ,wastewater, treatment processes and the implementation of partial reuse of inner water flows to reduce the water footprint, water is still discharged after ensuring its quality and dissolved metals are removed through precipitation as sludge for ...

Frontiers | Resource Recovery from Wastewater by ...
Frontiers | Resource Recovery from Wastewater by ...

Limits in resource availability are driving a change in current societal production systems, changing the focus from residues treatment, such as ,wastewater, treatment, toward resource recovery. Biotechnological processes offer an economic and versatile way to concentrate and transform resources from waste/,wastewater, into valuable products, which is a prerequisite for the technological ...

Power and Cogeneration Water and Wastewater Treatment ...
Power and Cogeneration Water and Wastewater Treatment ...

Mine, Disposal. One method makes use of abandoned ,mine, sites. This disposal method has the added advantage of neutralizing ,acid mine, drainage (AMD). Gypsum has a high pH and can therefore neutralize AMD streams. Flue-gas desulfurization effluent is dewatered to facilitate gypsum transportation. ,Mine, disposal decreases the required level of ...

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