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Biological treatment of 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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Biological treatment of acid wastewater
Hydrochloric Acid Handbook - Occidental Petroleum
Hydrochloric Acid Handbook - Occidental Petroleum

Hydrochloric ,acid, is used in pickling operations for carbon, alloy and stainless steels. Steel pickling is the process by which iron oxides and scale are removed from the surface of steel by converting the oxides to soluble compounds. Pickling is required for steel ,products, that undergo further processing such as ,wire

Precipitation treatment of effluent acidic wastewater from ...
Precipitation treatment of effluent acidic wastewater from ...

Phosphorus recovery from acidic ,wastewater, was carried out using lime milk at various Ca/P molar ratios in the range of 0.6-1.8. A molar ratio of Ca/P of 1.4 and above gives an 80% recovery ...

Wastewater treatment progresses towards a circular economy ...
Wastewater treatment progresses towards a circular economy ...

Wastewater, treatment progresses towards a circular economy. ,Wastewater, treatment is no longer just about making water reusable. Researchers show how energy, nutrients and added value by-,products, can be extracted from ,wastewater,.

A national discharge load of perfluoroalkyl acids derived ...
A national discharge load of perfluoroalkyl acids derived ...

1/9/2016, · The ∑ 11 PFAAs concentrations in industrial ,wastewater, (i.e., influent and effluent) and sludge samples grouped by ,industry, are shown in Fig. 1 together with the recently reported levels of domestic PFAAs from a M-WWTP (Kim et al., 2012).There was a large difference between the mean and median values; therefore the median concentration of each PFAA is used as the representative value in this ...

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