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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 & Utilization of Industrial Wastewater in Kuwait
Treatment & Utilization of Industrial Wastewater in Kuwait

Industrial wastewater, makes up 20-30 per cent of the total flow rate. Effluents from mechanical workshops, car service stations, slaughterhouses, and food processing plants are the typical ,wastewater, effluents to be considered for the characterization of the treatment technologies in this area. Presently, the on-site treatment of the ,industrial, effluents is the only option, since separated drainage does not exist in the area for the ,industrial wastewater,.

Industrial Wastewater Effluents in Kuwait
Industrial Wastewater Effluents in Kuwait

The acidity and alkalinity of the ,industrial, effluents can vary from pH 1.0 to pH 12.0. Therefore, another problem often experienced in natural water systems, is the change in the pH of the water. Natural waters now vary in pH from 4.0 to about 9.5. Some of the acidification of the waters occurs naturally.

COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …
COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …

of ,wastewater, was adjusted from the initial pH of 12.99 to pH 4 due to chitosan was soluble in ,acidic, aqueous phases [5]. Moreover, Domard et al.[10] pointed out that there were 90 % of the functional group of NH 2 on chitosan surface has been protonated at pH 4. …

Treatment of leather industrial wastewater via combined ...
Treatment of leather industrial wastewater via combined ...

It generates large amounts of effluent that are highly loaded with organic hazard wastes. Such effluent is considered one of the most obnoxious materials in the leather industry, causing serious environmental pollution and health risks. The effluent is characterized by high concentrations of the pollution parameters.

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