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wastewater treatment plants

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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wastewater treatment plants
Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal
Chapter 3: Advanced Wastewater Treatment for Nitrogen Removal

region ,of high, solute ,concentration, through a membrane to a region of low solute ,concentration, by applying a pressure in excess of the osmotic pressure It is the reverse of the normal osmosis process, which is the natural movement of solvent from an area of low solute ,concentration,, through a membrane, to an area ,of high, solute

Theory and Practice of Water and Wastewater Treatment 2nd ...
Theory and Practice of Water and Wastewater Treatment 2nd ...

Theory and ,Practice of Water and Wastewater Treatment, 2nd Edition,: Addresses physical/chemical treatment, as well as biological treatment, of water and ,wastewater, Includes a discussion of new technologies, such as membrane processes for water and ,wastewater, treatment, fixed-film biotreatment, and advanced oxidation Provides detailed coverage of the fundamentals: basic applied water …

What chemicals are used and controlled in primary ...
What chemicals are used and controlled in primary ...

Hydrochloric ,acid, (HCl) or muriatic ,acid, is a clear or lightly yellow, fuming, pungent liquid. It is poisonous and may contain iron or arsenic. Hydrochloric ,acid, should be obtained in the purified form (USP) and is shipped in glass bottles, carboys and rubber-lined steel drums, tank cars or trucks.

Acid Characteristics of Dissolved Organic Matter in Wastewater
Acid Characteristics of Dissolved Organic Matter in Wastewater

four municipal ,wastewater, treatment plants were investigated. Results showed that the dissolution of DOM from sludge is significantly affected by pH and suspended solids ,concentration,. Results also showed that DOM contains two discrete ,acid, groups that are available for metals complexation. The site ,concentration, and acidity constants were deter

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