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Chromium can cause pollution to the environment

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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Chromium can cause pollution to the environment
Assessment of Textile Industrial Effluent by Wastewater ...
Assessment of Textile Industrial Effluent by Wastewater ...

around 90% appears as ,wastewater,. The process of adding colour to the fibre is known as ,dyeing, which normally requires large volumes of water not only in the dye bath, but also during the rinsing step. The process of ,dyeing, involves the use of different chemicals like sulphide, formaldehyde salts, metals

Wastewater Analysis and Study of Soil Microorganisms of ...
Wastewater Analysis and Study of Soil Microorganisms of ...

Wastewater Analysis and Study of Soil Microorganisms of, ... is the use of huge volumeof water either in the actual chemical processing or during re-processing in preparatory,,dyeing,, ,printing, and ... heat,colour, ,acidity,, and other soluble substances. The removal of colour from textile industry anddyestuff manufacturing industry ...

CHAPTER 1 INTRODUCTION 1.1 Background of the problem
CHAPTER 1 INTRODUCTION 1.1 Background of the problem

Recently, the problems created by textile wastewater getting more serious concerns especially in developing country. This is due to low biodegradation of dye and chemical used in commercial textile are hazardous and danger to the environment. Approximately 10000 different dyes mainly used in the dying and printing industries are produced

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.

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