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Treatment of acid sulfur dioxide containing chromium in Wastewater

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 sulfur dioxide containing chromium in Wastewater
14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

For example, the dye factory discharges both ,acidic wastewater and alkaline wastewater,. Due to the difference in fabrics and dyes, the pollutants and pollution effects of textile printing and ,dyeing wastewater, will be very different. Even the ,wastewater, discharged from a set of production unit may contain several pollutants at the same time.

Textile Wastewater Treatment: A Critical Review
Textile Wastewater Treatment: A Critical Review

For printing and ,dyeing wastewater,, the first consideration is the organic pollutants, color and heavy metal ions. Recently, as the lack of water, the recovery of ,wastewater, should be considered. So the decolorization of the printing and ,dyeing wastewater, increased heavily. IV. TEXTILE ,WASTEWATER, TREATMENT PROCESSES

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · They are water insoluble and are applied to cotton in the form of sodium salts by the reduction process using sodium sulphide as the reducing agent under ,alkaline, conditions. The low cost and good wash fastness properties of ,dyeing, makes these dyes economic attractive. Cationic (Basic dyes). These dyes are cationic and water soluble.

Color Removal Treatment of Dyeing Wastewater by Method of ...
Color Removal Treatment of Dyeing Wastewater by Method of ...

This paper is basing on the study of the color removal treatment of simulated dyestuffs ,wastewater, with three-dimensional-electrode method.The mechanism of treatment by three-dimensional-electrode method is studied,and the operational parameters,including applied aeration,packed materials and their weight ratio,voltage,electrode gap,pH value,etc,are discussed.The study shows the following ...

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