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Treatment of acid wastewater with lime

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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Treatment of acid wastewater with lime
ES Materials & Manufacturing
ES Materials & Manufacturing

2O 7, at different pH, the interaction between ,Cr,(VI) and CNT is studied as a function of varied solution pH.45 At pH 1, carboxylation is found to occur after ,Cr,(VI) interaction, with FTIR showing 3300 cm–1 from O–H stretching, 1641 cm–1 from C=O vibration, and peaks around 1020–1100 cm–1 due to the C–O–C stretching.

Photochemical Treatments of Textile Industries Wastewater†
Photochemical Treatments of Textile Industries Wastewater†

treatment, of textile ,industrial wastewater,. These are: 1) Physico-chemical methods; 2) Advanced oxidation methods; 3) Biological sludge methods. The main operational methods used for the ,treatment, of textile ,industrial, water involve physical and chemical proce-sses20,21. Ho wev er, these tec hniques ha ve man y disad vanta ges22.

Kinetic study of removal heavy metal from aqueous solution ...
Kinetic study of removal heavy metal from aqueous solution ...

2/7/2020, · Another silica compounds have been used to remove C.I. Basic Violet, ,Acid, Orange ,7,, C.I. Reactive Black 5, C.I. Direct Blue ,7, from the textile ,wastewater, 32,33.

REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS …
REMOVAL OF ORGANIC MATTER FROM SOME WASTEWATERS …

strength ,industrial, wastewaters ,containing, non-biodegradable substances toxic for microorganisms. Among them, the Fenton method is cost-effective, easy to apply and effective with relatively low-strength ,wastewater containing, organic compounds and had been applied to the decolorization of textile

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