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Waste treatment function of deep well drilling

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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Waste treatment function of deep well drilling
Electrochemical Removal of Ammonium Nitrogen and COD of ...
Electrochemical Removal of Ammonium Nitrogen and COD of ...

Our seven hour experiment showed that 97.6% of NH4 +–N was removed at an electric voltage of 5 V, whereas only 68% was removed with 3 V, 20% with 1.2 V, and 10% with 0.6 V. Similarly, at 5 V, the removal of COD was around 97.5%. Over the seven hours of the experiment, the pH of wastewater increased from pH 7.12 to pH 8.15 when 5 V

Recovery and separation of lactic and malic acids from ...
Recovery and separation of lactic and malic acids from ...

HPLC data of lactic ,acid stripping, aqueous diluting 10 times filtered by resin (a) and activated carbon (b). 3.5. Separation of lactic and malic acids. In order to compare the degree of extraction and separation of lactic and malic acids with N4423, it is essential to have taken the following ,experiment,. 3.5.1.

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.

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

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