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Preparation of desulfurized gypsum from acid waste water

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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Preparation of desulfurized gypsum from acid waste water
CN102531226A - Method for treating acidic dye printing and ...
CN102531226A - Method for treating acidic dye printing and ...

The invention discloses a method for treating ,acidic, dye printing and dyeing ,wastewater,, which belongs to the field of ,wastewater, treatment. The method comprises the steps of (1) filtering collected ,acidic, printing and dyeing ,wastewater, through a screen, then enabling the ,acidic, printing and dyeing ,wastewater, to enter a regulation tank, and using alkali waste to regulate the …

(PDF) TREATMENT OF WASTEWATER PRINTING INK BY …
(PDF) TREATMENT OF WASTEWATER PRINTING INK BY …

Treatment of ,Wastewater, Printing Ink by Process Coagulation Using Chitosan Nanoparticles 37 Preparation of Chitosan Nano Particles Nanoparticles Chitosan 500 mg was dissolved in 100 ml acetic acid 1% (v/v) to obtain chitosan solution, and raised to pH 4.6-4.8 with 10 N NaOH.

Textile And Printing Industry Wastewater | Environmental XPRT
Textile And Printing Industry Wastewater | Environmental XPRT

Printing and dyeing sizing ,wastewater, also contains a higher concentration of caustic soda (0.5% ~ 7%) and a certain amount of refining agent, with a high recovery value. 2.

Printing and Textile Wastewater Treatment | Advanced ...
Printing and Textile Wastewater Treatment | Advanced ...

We offer a comprehensive line of scientifically formulated products for, printing,, including Acids/Alkalis, Coagulants, Defoamers, Deodorizers, Filter Aids, and Polymers. Acids/Alkalis. The process, water, from, printing, is discharged (to the environment or municipal treatment plant) or …

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