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National incentive measures for no waste water discharge of tungsten smelting 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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National incentive measures for no waste water discharge of tungsten smelting enterprises
Valorization of ammonia concentrates from treated urban ...
Valorization of ammonia concentrates from treated urban ...

the free ,acid, concentration in the ,stripping, phase (e.g., HNO 3 and H 3 PO 4). A mass transport algorithm to predict the pH of the ,stripping, stream was developed to describe the contactor performance, predict the requirements of the free ,acid, concentration in the ,stripping, phase and …

Rapid removal of ammonium from domestic wastewater using ...
Rapid removal of ammonium from domestic wastewater using ...

13/2/2018, · The NH 4-N concentration of the raw ,wastewater, used for this ,experiment, was 50 mg/L. Ammonium chloride was added to increase the NH 4 –N of the ,wastewater, …

Acidic Recovery from Wastewater of Automotive Battery ...
Acidic Recovery from Wastewater of Automotive Battery ...

brane (AEM) to recover ,acid, and reject metal ions [11-16]. In this study, we aimed to explore the po- tential of DD-AEM to recover H 2 SO 4 from aci-dic ,wastewater, from an automotive battery production plant, and to determine the opti-mum operating conditions. Experimental 1) Chemicals and ,wastewater

Sci Forschen Water and Wastewater Treatment
Sci Forschen Water and Wastewater Treatment

27/1/2018, · used to remove phosphorus and nitrogen from the wastewater. Five factors were analysed in the experiment; type of adsorbent, dosage, particle size, contact time and rotational speed. The reading of total nitrogen (TN), total phosphorus (TP) and pH were taken at the end of the experiment in order to detect the removal of these nutrients.

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