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Acid wastewater containing nitrate

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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Acid wastewater containing nitrate
TREATMENT OF WASTEWATER RESULTING FROM THE METALLIC ...
TREATMENT OF WASTEWATER RESULTING FROM THE METALLIC ...

optimal conditions for ,neutralization, and the optimal reagent consumptions. KEYWORDS: cleaning surfaces, rinse waters, alkaline water, ,acid, water, ,neutralization, 1. Introduction Treatment of ,wastewater, generated by metallic coatings processes is essential prior to discharge of these wastewaters to ,wastewater, collection systems or

Wastewater Treatment for the Industrial Metal Finishing ...
Wastewater Treatment for the Industrial Metal Finishing ...

Wastewater, with a high pH is generally neutralized with sulfuric ,acid, (H 2 SO 4), hydrochloric ,acid, (HCl), or carbon dioxide (CO 2). The most common chemicals used are H 2 SO 4 and NaOH. ,Neutralization, can be accomplished by batch treatment or continuous flow processes. Batch treatment is usually for lower flow volumes.

PHYSICAL AND CHEMICAL METHODS OF WASTEWATER TREATMENT ...
PHYSICAL AND CHEMICAL METHODS OF WASTEWATER TREATMENT ...

Neutralization, of acids formed during the hydrolysis ,of acid, coagulants can also occur due to an alkaline reserve of the ,wastewater,: When using mixtures of aluminum sulfate A1 2 (SO 4 ) 3 and ferric chloride FeCl 3 in ratios from 1: 1 to 1: 2, the best coagulation result is achieved than with the separate use of …

Wastewater Treatment Methods and Disposal - 1...
Wastewater Treatment Methods and Disposal - 1...

Neutralization, consists of the addition ,of acid, or base to adjust pH levels back to neutrality. Since lime is a base it is sometimes used in the ,neutralization of acid, wastes. Coagulation consists of the addition of a chemical that, through a chemical reaction, forms an insoluble end product that serves to remove substances from the ,wastewater,.

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