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What is the pollution type of acid wastewater containing copper

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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What is the pollution type of acid wastewater containing copper
Top PDF textile dyeing wastewater - 1Library
Top PDF textile dyeing wastewater - 1Library

Wastewater, from textile ,dyeing, industry showed 95% degradation measured by Chemical Oxygen Demand removal and 80% mineralization by reduction of Total Organic Carbon. Biodegradability of the treated ,wastewater, increased to 0.42 implying that the further treatment could be progressed by biological method.

WASTEWATER CHARACTERISTICS IN TEXTILE FINISHING MILLS
WASTEWATER CHARACTERISTICS IN TEXTILE FINISHING MILLS

The textile finishing covers the bleaching, ,dyeing,, ,printing, and stiffening of textile products in the various processing stages (fibre, yarn, fabric, knits, finished items). The purpose of finishing is in every instance the improvement of the serviceability and adaptation of the products to meet the ever-changing demands of fashion and function.

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

29/2/2012, · The ,wastewater, produced by a reactive ,dyeing, contains [2,3]: (i) hydrolyzed reactive dyes not fixed on the substrate, representing 20-30% of the reactive dyes applied (on average 2 g/L) (this residual amount is responsible for the coloration of the effluents and cannot be recycled); (ii) ,dyeing, auxiliaries or organic substances, which are non-recyclable and responsible for the high BOD/COD of …

Review on various types of pollution problem in textile ...
Review on various types of pollution problem in textile ...

The ,waste water, from the ,dyeing, and ,printing, industries is identified as the most polluted water considering the volume generate as well as the effluent composition. 7 In textile industry 2000000REF tons of dyes are turned to effluent every year during ,dyeing,, finishing and ,printing, operations, due to the inefficiency of ,dyeing, process.

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