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Acidic wastewater from Sichuan panda electronics factory

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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Acidic wastewater from Sichuan panda electronics factory
Input/Output Linearization for a Real Time pH Control ...
Input/Output Linearization for a Real Time pH Control ...

The control methods with the integrator controller were proposed to handle the pH ,neutralization, in the fed-batch bubble column reactor by adjusting the influent flow rate. The

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · For this, anaerobic treatment of tofu ,processing wastewater, using a fixed-bed reactor employing cut bamboo as the carrier was examined and compared to an upflow anaerobic sludge blanket reactor. Without ,neutralization,, the fixed-bed reactor outperformed the upflow anaerobic sludge blanket reactor at a chemical oxygen demand load of 4.3 kg chemical oxygen demand/m 3 day.

Sulfuric acid waste recycling by regenerative process ...
Sulfuric acid waste recycling by regenerative process ...

Three main prior art approaches identified by prior art search as suitable for pollution control are: 1) The conversion of waste sulfuric ,acid, to SO 2 by roasting either sulfate salts or heat ,processing, the existing solution, followed by conversion of SO 2 to sulfuric ,acid, in a catalytic sulfuric ,acid, process, 2) Conversion of waste sulfuric ,acid, to ferrous sulfate utilizing scrap iron or ferrous ore with disposal or sale of the ferrous sulfate commercially, and 3) sulfuric ,acid, …

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

Neutralization, and sulfurization processes are typical processes to treat the high-arsenic waste ,acid,. 1,3 In ,neutralization, process, arsenic in the waste ,acid, is transformed into solid hazardous waste composed of calcium arsenate/arsenite, gypsum and other compounds by using Ca-containing compounds (CaO, Ca(OH) 2 and CaCO 3) as precipitators. 8 When sulfides (Na 2 S and H 2 S) are used to ...

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