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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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Water Flow Test
Decolorization of Azo Dyes Wastewater by Electrochemical ...
Decolorization of Azo Dyes Wastewater by Electrochemical ...

The ,electrochemical oxidation decolorization, of the azo dye ,wastewater, containing ,Acid, Red G (5-acetylamino-4- hydroxy-3-phenylazo-naphthalene-2,7-disulfonic sodium) was investigated. The effect of the operating parameters, such as applied voltage, dye concentration, electrolyte concentration and temperature, on the dye ,wastewater decolorization, efficiency was analyzed.

Treating Acids & Alkalies in Industrial Wastewater
Treating Acids & Alkalies in Industrial Wastewater

Acids and alkalis, are used as treatment chemicals in Industrial Wastewater Treatment Plant. It is a method employed to reduce the disposal of used and excess acids and alkalis as hazardous waste. The use of acids and alkalis helps in reducing the problems …

Decolorization of Color Index Acid Orange 20 buffer ...
Decolorization of Color Index Acid Orange 20 buffer ...

Decolorization, of Color Index ,Acid, Orange 20 ,buffer solution using horseradish peroxidase immobilized, on ... carbon as absorbent to adsorb ,Acid, Orange 7 9 and Gokce et al. found the O 3 –H 2 O 2 –UV process could dispose the ,wastewater, of reactive dyeing of cotton fabric efficiently. 10 Though physical and chemical methods have been ...

Decolorization of wastewater by adsorption on activated ...
Decolorization of wastewater by adsorption on activated ...

DECOLORIZATION, OF ,WASTEWATER, BY ADSORPTION ON ACTIVATED CARBON IN A LIQUID SOLID FLUIDIZED BED. ... Basic Blue 69 (BB69), Basic Red 22 (BR22), ,Acid, Red 114 (AR114) and ,Acid, Blue 25 …

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