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Acid wastewater filtration

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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Acid wastewater filtration
Solvent impregnated resins for the treatment of aqueous ...
Solvent impregnated resins for the treatment of aqueous ...

Anjali Awasthi is working on a topic entitled Application of solvent impregnated resins for the ,treatment, of ,wastewater, containing dyes. Her research work focuses on the preparation, characterization and regeneration of solvent impregnated resins, and their application for the removal of textile dye in the batch and continuous modes.

Separation Science and Technology: Vol 53 No 1
Separation Science and Technology: Vol 53 No 1

Treatment, of flue gas desulfurization ,wastewater, with near-zero liquid discharge by nanofiltration-membrane distillation process

Recovery of vanadium from alkaline leaching solution from ...
Recovery of vanadium from alkaline leaching solution from ...

Solvent ,extraction Extraction, and stripping processes were necessary to enrich vanadium. The composition of the chosen extractant was 10 vol % ,N235,, 20 vol % secondary octyl alcohol and 70 vol % sulphonated kerosene. The ,N235, was acidified using 2 mol/l HCl (volume ratio 1:1) before use14. The ,extraction, was performed at

Preparation of Vanadium Oxides from a Vanadium (IV) Strip ...
Preparation of Vanadium Oxides from a Vanadium (IV) Strip ...

two mature solvent extraction methods for the treatment of acid leach solution—extraction of V(IV) using an acidic organophosphorus extractant, such as D2EHPA [31,33], and extraction of V(V) using an amine extractant, such as N235 [32]. After stripping, a purified vanadium liquor is obtained. In the

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