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Composition of fracturing flowback fluid for shale gas development

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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Composition of fracturing flowback fluid for shale gas development
SELECTING SUITABLE METHODS FOR TREATING MINING …
SELECTING SUITABLE METHODS FOR TREATING MINING …

..... 1 MINE EFFLUENT SOURCES: FROM EXPLORATION TO AFTER CLOSURE..... 2 ,Acid, Mine (or Rock) Drainage (AMD or ARD) ..... 2 Mine Dewatering Ammonium and Nitrate..... 2 Process Waters – Cyanide and Acids ..... 3 Mineral Processing and Tailings Reclaim Water Thiosalts ..... 3 TREATMENT OBJECTIVES AND APPROPRIATE PROCESS SELECTION ..... 3 Regulatory Standards..... 3 Sustainability Considerations ..... 4 TREATMENT OPTIONS ..... 5 Active ,methods, …

Selecting suitable methods for treating mining effluents ...
Selecting suitable methods for treating mining effluents ...

Neutralization and precipitation are used quite often due to the feasibility ,of treating, large volumes of contaminated water, the low cost and the simplicity of the process [10]. ... ... The ...

Protection of groundwater from migration of infiltrates ...
Protection of groundwater from migration of infiltrates ...

chromic wastewater by reducing hexavalent chromium to trivalent chromium in an acid environment and then pre-cipitating the latter as chromium (III) hydroxide. In addi-tion to the above-mentioned sodium sulphite and pyro-sulfite, the use of the reducing agents sulphur dioxide (SO. 2) and sodium acid sulphate (NaHSO. 3) at a lower pH

Compositions and methods for treating nuclear fuel (Patent ...
Compositions and methods for treating nuclear fuel (Patent ...

A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an ,acid, component, at least about 0.1% by weight of a source of fluoride ions, and a stable foam forming amount of a foaming agent system having both cationic and non-ionic functionality.

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