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Industrial treatment of acidic wastewater containing sulfuric acid

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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Industrial treatment of acidic wastewater containing sulfuric acid
Hybrid System of Flocculation–Photocatalysis for the ...
Hybrid System of Flocculation–Photocatalysis for the ...

In this study, the effect of, pH, on, dye, removal efficiency was investigated in treating simulative, dye wastewater under acidic,, neutral, and alkaline, conditions., The, dye, removal efficiency ( R 1 ) of PAC as a function of pH is illustrated in Figure 2 .

Modified coagulation processes using polyferric chloride ...
Modified coagulation processes using polyferric chloride ...

7/4/2021, · Figure 4 shows the dye removal efficiency at different initial dye concentrations under optimal conditions (pH and coagulant dose). As can be seen, PFC at, dye, concentration of 150 mg/L had the maximum, dye, removal with an efficiency of 92.37% and PTC at, dye, concentration of 200 mg/L had the maximum dye removal with an efficiency of 99.83%.

Decolorization of acid and basic dyes: understanding the ...
Decolorization of acid and basic dyes: understanding the ...

11/6/2015, · A deep investigation about the mode of action of E. coli was carried out to demonstrate that dye decolorization mainly occurred via three different pathways, specifically bacterial induced ,precipitation,, cell wall adsorption, and metabolism, whose weight was correlated with the chemical nature of the dye.

Precipitation Methods Using Calcium-Containing Ores for ...
Precipitation Methods Using Calcium-Containing Ores for ...

The chemical, precipitation, method is a simple process, low in cost, and widely used for fluoride removal. F-containing, wastewater, of high concentration usually exhibits strong acidity (pH = 1–2). Therefore, fluoride ions can be removed by, precipitation, with calcium ions, and in the meantime

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