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Treatment technology chart of fracturing flowback fluid

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 technology chart of fracturing flowback fluid
Grafting strategies for hydroxy groups of lignin for ...
Grafting strategies for hydroxy groups of lignin for ...

In the meantime, ,sodium, lactate and homopropionic ,acid, polymer could be produced as the by-products of carboxyethylation with 2-chloropropionic ,acid,. Carboxyethylation of lignin would improve its hydrophilicity and generate a highly charged anionic lignin, which could be a pathway to produce pH sensitive anionic lignin 123 for use as a dispersant and flocculant in industry.

Electrodialysis Applications in Wastewater Treatment for ...
Electrodialysis Applications in Wastewater Treatment for ...

The ,wastewater, feed maintains metal ions retained by an MVC, and releases protons and anions to the organic ,salt, stream and the inorganic ,salt, stream, respectively . From a model waste ,acid, (0.4 M HCl, 0.1 M FeCl 2 ) and a 0.3 M ,sodium, acetate solution, acetic ,acid, at high purity was produced (0.2 mM Fe 2+ ) with average η of 91%.

Ion-exchange membranes in chemical synthesis – a review in ...
Ion-exchange membranes in chemical synthesis – a review in ...

This process consists of four steps: leaching of Ca/Mg from waste cement powder by acid, absorption of CO 2 from flue-gas in alkali (NaOH or KOH), precipitation of calcium (magnesium) carbonate by reacting two above-mentioned streams and BMED-splitting of the remaining salt solution to corresponding acid and base which are returned to an extraction and capture step, respectively.

Water Quality Control and Treatment Water Treatment
Water Quality Control and Treatment Water Treatment

CARBON DIOXIDE REMOVAL • The most appropriate treatment for carbon dioxide may be aeration, addition of an ,alkali,, or a combination of the two • CO2 gas dissolves easily in water, resulting in carbonic ,acid,: • H2O + CO2 <===> H2CO3 • CO2 is neutralized through the addition of an ,alkali, (basic, ionic ,salt,), such as lime (Ca(OH)2) or soda ash (Na2CO3).

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