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Removal of dichromate from acid industrial 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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Removal of dichromate from acid industrial wastewater
How peracetic acid is changing wastewater treatment
How peracetic acid is changing wastewater treatment

Peracetic acid, at a glance. 16,000 municipal, wastewater, plants in the US treat 45 billion L of sewage each day. 90% of, peracetic acid’s, disinfection activity happens in the first minute ...

Research of acid mine wastewater treatment technology
Research of acid mine wastewater treatment technology

Acidic, mining waste water is a type of sulfuric acid, general pH value for waste water 2 ~ 6 [2], so low sulfuric acid content of obviously not recycling value, so and processing method is, acidic, mining waste water treatment of the main method.

Peracetic Acid in the Reuse of Treated Wastewaters ...
Peracetic Acid in the Reuse of Treated Wastewaters ...

1/1/2021, · Peracetic ,acid, in ,wastewater, reuse. PAA (CH 3 COOOH) is commercially available in concentrations of about 5%–15% (w/w) as a stabilized equilibrium mixture containing hydrogen peroxide (H 2 O 2 ), acetic ,acid, (CH 3 COOH), and water [ Eq. (13.1) ]. (13.1) CH 3 COOOH aq + H 2 O l ⇌ CH 3 COOH aq + H 2 O 2 aq.

Cleaner production of citric acid by recycling its ...
Cleaner production of citric acid by recycling its ...

To solve the pollution problem of extraction wastewater in citric acid production, an integrated citric acid-methane production process was proposed. Extraction wastewater was treated, through anaerobic digestion and the anaerobic digestion effluent (ADE) was recycled for the next batch of citric acid fermentation, thus eliminating wastewater discharge and reducing water consumption.

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