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Fracturing flowback fluid and produced water of gas field

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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Fracturing flowback fluid and produced water of gas field
METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)
METHOD 7196A CHROMIUM HEXAVALENT (COLORIMETRIC)

2O 7, (analytical reagent grade), in reagent water and dilute to 1 liter (1 mL = 50 ug ,Cr,). 5.3 Potassium dichromate standard solution: Dilute 10.00 mL potassium dichromate stock solution to 100 mL (1 mL = 5 ug ,Cr,). 5.4 Sulfuric ,acid,, 10% (v/v): Dilute 10 mL of distilled reagent grade or spectrograde quality sulfuric ,acid,…

Handbook of water and wastewater treatment technology ...
Handbook of water and wastewater treatment technology ...

This handbook is a collection of exact and useful information relating to the ,treatment, of water and ,wastewater, for municipal, sanitary, and ,industrial, uses. The operations and processes implemented by users of water are numerous and an attempt has been made to reduce those described to the practical limits of a single volume.

Industrial Wastewater Management Treatment and Disposal ...
Industrial Wastewater Management Treatment and Disposal ...

Treatment, works ,Treatment, works treating domestic ,wastewater, or any other ,wastewater, sludge or ,wastewater treatment, device or system, used in the storage, ,treatment,, recycling, and reclamation of municipal or domestic ,wastewater,, including land dedicated to the disposal of sludge, that are located within the confines of the facility, with a design flow of 4 164 m3/d (1.0 mgd) or more, or ...

13.phosphorus removal by chem ppt - SlideShare
13.phosphorus removal by chem ppt - SlideShare

The chemistry of phosphate precipitate formation is complex because of complexes formed between phosphate and metals, and between metals and other ligands in the ,wastewater,. Side reactions of the metals with alkalinity to form hydroxide precipitates are another factor to be considered. The amount of metal needed to remove phosphorus exceeds the stoichiometric amount at the low levels at which phosphorus is present in a ,wastewater,…

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