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Ion equation of adding sodium pyrosulfite to acid wastewater

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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Ion equation of adding sodium pyrosulfite to acid wastewater
A Review: Pharmaceutical Wastewater Treatment Technology ...
A Review: Pharmaceutical Wastewater Treatment Technology ...

pharmaceutical wastewater treatment processes. At the same time, integrated pharmaceutical wastewater treatment currently used methods are mainly materialized following: coagulation and sedimentation, flotation, adsorption, chemical oxidation (Fenton reagents, wet oxidation, etc.), electrolysis (Fe-C micro-electrolysis) and so on.

Tertiary Treatment of Waste Water (With Diagram)
Tertiary Treatment of Waste Water (With Diagram)

These ,methods, and their effectiveness are listed in Table 9.13 . The selection of a ,treatment, scheme, that is, the ,treatment methods, to be employed and their sequencing would depend on the pollutants present in a ,waste water, stream, their concentration and whether the treated effluent is …

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · The discussed chemical wastewater treatment processes include chemical precipitation (coagulation, flocculation), ion exchange, neutralization, adsorption, and disinfection (chlorination/dechlorination, ozone, UV light).

Cavitational technology in wastewater treatment process ...
Cavitational technology in wastewater treatment process ...

Conditions of the wastewater treatment by AVS unit from phenol concentration 0.5-10 g/dm 3 and acidity of the medium 5 g/dm 3 are as follows: oxidizing agents: potassium bichromate (concentration 0.2-5 g/dm 3); manganese dioxide (concentration 1.2-10 g/dm 3); potassium permanganate (concentration 0.1-1.0 g/dm 3); wastewater’s temperature – 20–45 °С; oxidization time – 0.1-2 seconds. AVS unit …

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