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Treatment of acid wastewater by calcium hydroxide

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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Treatment of acid wastewater by calcium hydroxide
Infiltration basin - Wikipedia
Infiltration basin - Wikipedia

An ,infiltration basin, (also known as a recharge basin or in some areas, a sump or percolation pond), is a type of device that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay.It is essentially a shallow artificial pond that is designed to infiltrate stormwater through permeable soils into the ...

An Overview of Nanomaterials for Water and Wastewater ...
An Overview of Nanomaterials for Water and Wastewater ...

Due to the exceptional characteristics which resulted from nanoscale size, such as improved catalysis and adsorption properties as well as high reactivity, ,nanomaterials, have been the subject of active research and development worldwide in recent years. Numerous studies have shown that ,nanomaterials, can effectively remove various pollutants in water and thus have been successfully applied in ...

Microbiological Methods for Monitoring the Environment ...
Microbiological Methods for Monitoring the Environment ...

----- PREFACE The Federal Water Pollution Control Act Amendments of 1972, the Marine Protection, Research, and Sanctuaries Act of 1972, and the Safe Drinking Water Act of 1974, require that EPA develop and select methods for environmental ,monitoring, and research on public and private water supplies, rivers, lakes, ground waters, wastewaters and the marine environment for the purposes of ...

Mining Waste - an overview | ScienceDirect Topics
Mining Waste - an overview | ScienceDirect Topics

Jadwiga Szczepańska, Irena Twardowska, in Waste Management Series, 2004. III.6.1.1 ,Mining waste, sources and amounts. ,Mining waste, is the high-volume material that originates from the processes of excavation, dressing and further physical and chemical processing of wide range of metalliferous and non-metalliferous minerals by opencast and deep shaft methods.

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