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Wastewater from acid dyes

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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Wastewater from acid dyes
Process Optimization of Electrochemical Oxidation of ...
Process Optimization of Electrochemical Oxidation of ...

electrochemical ,wastewater treatment,. In order to relieve these issues, it is essential to find suitable operating parameters to achieve the oxidation performance of ammonia to N2. As reported by Zou et al. [28] and Chen et al. [29], an electrochemical method for ,wastewater treatment, is complicated,

Treatment of Biotreated Coking Wastewater by a ...
Treatment of Biotreated Coking Wastewater by a ...

with a high toxicity [2,3]. Thus, coking ,wastewater, is a typical industrial ,wastewater, with a high concentration of refractory organic matter. The process for treating coking ,wastewater, generally includes a pretreatment, biological ,treatment,, and advanced ,treatment, [4]. The pretreatment is to assist

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Generally, alkaline mercury-containing wastewater is usually treated by chemical coacervation or sulfide precipitation; acidic mercury-containing wastewater can be treated by metal reduction; low-concentration mercury-containing wastewater can be treated by activated carbon adsorption, chemical coacervation or activated sludge; organic mercury wastewater is difficult to treat and is usually first oxidized to …

Treatment of Wastewater Containing a Mixture of Heavy ...
Treatment of Wastewater Containing a Mixture of Heavy ...

The main aim of the scientific research was to study the ion-exchange processes in the ,treatment, of industrial wastewaters ,containing, a high concentration of heavy metal ions (Cu2+, Zn2 +, Ni2+). The sorption results of heavy metal mixtures (Cu-Zn, Cu-Ni) from model solutions of sulfate salts on a strong-acid KU-2–8 cation exchanger

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