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How to treat acid wastewater with high salinity and cod

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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How to treat acid wastewater with high salinity and cod
INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS
INDUSTRIAL WASTEWATER-TYPES AMOUNTS AND EFFECTS

containing, cyanide, wastes from the metal processing industry ,containing, acids or alkaline solutions (mostly ,cont aining, non-ferrous metals and often cyanide or chromate), ,wastewater, from eloxal works and from the waste gas purification of aluminum works,

Water quality for agriculture - Home | Food and ...
Water quality for agriculture - Home | Food and ...

Iron, chlorosis in susceptible crops (maize, sorghum, Sudan grass, and a few others) is sometimes caused by water with a relatively high sodium adsorption ratio (SAR > 6) and can often be corrected by repeated sprays of ferrous ,iron, or ,iron, chelate, or by using soil sulphur or gypsum to maintain soil pH less than 8.5 or, as with Sudan grass, withholding of water (delayed irrigation) for several ...

IS 3025 (Part 53): Method of Sampling and Test (Physical ...
IS 3025 (Part 53): Method of Sampling and Test (Physical ...

is applicable in the range of 75 to 500 J,.lg/l of ,iron,. 6.2 Interference Among the interfering substances are strong oxidizing agents, cyanide, nitrite, and phosphates (polypho­ sphates more so than orthophosphates), ,chromium,, zinc in concentrations exceeding 10 times that of ,iron,, cobalt and copper in excess of 5 mg/l, and nickel in

Iron (Fe) and water - Lenntech
Iron (Fe) and water - Lenntech

Iron, removal from water is mostly carried out in drinking water preparation, because mineral water contains high amounts of ,iron, ions. These influence water colour, odour and turbidity. ,Iron, is present in all wastewaters. ,Iron, removal from ,wastewater, may be achieved by oxidation of binary ,iron, to tertiary ,iron,.

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