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How to calculate the removal rate 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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How to calculate the removal rate of acid wastewater
Brief Analysis of the Main Treatment Methods of Phosphoric ...
Brief Analysis of the Main Treatment Methods of Phosphoric ...

It not only affects the dosage of ,calcium,, but also produces ,calcium carbonate, which can be used as a weight-increasing agent to condensate and clarify ,wastewater,. The primary reaction and precipitation in the above process are mainly zinc removal, control of pH=8.5-9.0, ,adding, polyaluminium chloride.

Biotechnological Tools for Remediation of Acid Mine ...
Biotechnological Tools for Remediation of Acid Mine ...

1/1/2018, · This method involves addition of neutralizing chemicals such lime (calcium oxide), calcium carbonate, sodium carbonate, sodium hydroxide, and magnesium oxide (Coulton et al., 2003). Addition of alkaline material raises pH of AMD, accelerates chemical oxidation of ferrous iron, and facilitates precipitation of metals as hydroxides and carbonates ( Prasad et al., 1999 , Sánchez-Andrea et al., 2014 ).

Remediation of heavy metal contaminated groundwater ...
Remediation of heavy metal contaminated groundwater ...

In this research, a chemical ,treatment, using lime and ,calcium carbonate, was investigated in terms of its capacity to remove heavy metals and arsenic from contaminated groundwater orig-inating from an abandoned mine. Lime and ,calcium carbonate, as coagulants are …

Remediation of heavy metals in drinking water and ...
Remediation of heavy metals in drinking water and ...

practiced as a prime method of treatment in industrial waters for many years. Chemical treatment of contaminated groundwater to remediate heavy metals has been performed in column and pilot scale experiments. In one such study, granulated lime and calcium carbonate were used as …

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