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One cubic meter of acid wastewater is produced in a year

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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One cubic meter of acid wastewater is produced in a year
Microbial Degradation and Decolorization of Acid Orange ...
Microbial Degradation and Decolorization of Acid Orange ...

3.2. Color Removal. Figure 3 and Table 1 show the color reduction over time. These results show efficient ,decolorization, of the ,Acid, orange dye waste stream. The color reduction averaged 87 % with 100 mg/L dye concentration in the feed and 85 % for the 250 mg/L concentration.

Effect of operational parameters on decolorization of Acid ...
Effect of operational parameters on decolorization of Acid ...

Advanced Oxidation Processes (AOPs) have been used as emerging ,wastewater, treatment technologies which can effectively handle various hazardous organics in ,wastewater, and groundwater. This study examined the photodecolorization of azo dyes in aqueous solution by combined UV, individual and coupled photocatalysts. The model substrate employed in this work was C.I. ,Acid, Yellow 23 (AY23) …

Decolorization of acid red dyeing wastewater by Modified ...
Decolorization of acid red dyeing wastewater by Modified ...

This study introduces the best prepared methods of Modified Bentonite -Chitosan Adsorbent, and analysises the best decolorizing test conditions of printing and dyeing ,wastewater, treatment by it. The results show that, modifying bentonite by 1mol/L H2SO4 is desirable, the best solid-liquid ratio of bentonite and chitosan is 0.833g/ml, the best conditions of the oscillator ...

Study on Decolorization of Wastewater Containing Acid ...
Study on Decolorization of Wastewater Containing Acid ...

In this paper, the adsorption and ,decolorization, capability of expanded graphite (EG) on the simulated ,wastewater, containing ,Acid, Orange Ⅱwere studied. The experimental results show that the initial concentration of ,wastewater,, the dosage of EG, the pH value and the temperature all have greater effects on the ,decolorization, ratio of simulated ,Acid, Orange Ⅱ ,wastewater,.

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