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Removal of nitrate and sulfate from underground acid wastewater

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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Removal of nitrate and sulfate from underground acid wastewater
William (Bill) Harfst – Water Technology Report
William (Bill) Harfst – Water Technology Report

Chlorine dissolves in water to form hypochlorous ,acid, and hypochlorite ion according to the following ,chemical, reactions: Cl 2 + H 2 O ——— HOCl + H + + Cl – HOCl ——- ——– OCl – + H +

(PDF) Aquaculture engineering | Suemy Maribel - Academia.edu
(PDF) Aquaculture engineering | Suemy Maribel - Academia.edu

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EST Review Practice Questions EST Review ... - Quizlet
EST Review Practice Questions EST Review ... - Quizlet

a chemical change involving the reaction of an acid with a base producing a salt and water. Like so: Acid (H⁺ ions & a non-metal) + Base (Metal & OH⁻ ions) --> Salt (Metal & …

Natural Environmental Systems Flashcards | Quizlet
Natural Environmental Systems Flashcards | Quizlet

An ,acid, (proton donor or electron acceptor) has a pH of greater than 7. -Strong ,acid,- strong tendency to donate their protons to water (low pKa). -Weak ,acid,- Acids that do not completely dissociate in water (bigger pKa). *Note: Strong ,Acid,: Ka>0.1 *Note: pKa = -log(Ka) Ka= 10^(pKa)

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Road West, North Branch, Jingkai Road, Puyang City