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Treatment of acidic fluoride containing wastewater by calcium hypochlorite

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 acidic fluoride containing wastewater by calcium hypochlorite
Novel application of membrane distillation for acid and ...
Novel application of membrane distillation for acid and ...

application of the low-energy direct contact membrane distillation (DCMD) process for the recovery of water and acid from acidic waste solutions generated in the mining industry. The influence of acid concentration and the presence of inorganic salts in the feed …

MAXH2O. A perfect solution for treating acid mine drainage ...
MAXH2O. A perfect solution for treating acid mine drainage ...

Two methodologies are mainly used, stand-alone or in combination, to remove sulphate from acid mine water: membrane separation or salt precipitation, for example formation of gypsum. Conventional membrane separation systems, as a solution for sulphate removal from acid mine wastewater, have several drawbacks that limit the maximum possible system recovery, and even …

Application Of Membrane Separation Technology to Mining ...
Application Of Membrane Separation Technology to Mining ...

• ,Membrane separation, is concentrating process and the higher the water ,recovery,, the higher the strength of the concentrate stream which could be a concentrated brine stream. Treatment options: thermal and non-thermal • liming • Brine concentrator • Crystallizer • Evaporator • Metal ,recovery

Membrane Separation for Recovery of Umami Compounds ...
Membrane Separation for Recovery of Umami Compounds ...

membrane materials, Connell et al. reported that PVDF (polyvinylidene difluoride) membranes for MF (microfiltration) were the best option on the market in 2017 to treat raw water and mine wastewater (7). So far, the technology was widely used to recovery nutrition or phytochemicals including condensed milk (8),

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