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Low molecular fracturing flowback fluid

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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Low molecular fracturing flowback fluid
Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...
Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...

Recovery, of sulphuric ,acid, and added value metals (Zn, Cu and rare earths) from acidic ,mine, waters using nanofiltration membranes ,Separation, and Purification Technology, Vol. 212 A critical review on remediation, reuse, and resource ,recovery, from ,acid mine, drainage

Mine drainage: Remediation technology and resource recovery
Mine drainage: Remediation technology and resource recovery

An electrodialysis (ED) membrane process was evaluated for the recovery of sulfuric acid from AMD generated in the chalcopyrite mining industry with a metal removal pretreatment using cationic ion exchange (Aydin, Yuzer, Hasancebi, & Selcuk, 2019 ). Over 90% of …

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 Technology - Ecotechnol
Membrane Technology - Ecotechnol

Environmental applications of membrane technology range from treating Acid Mine Drainage (AMD), to cost effectively comply with surface discharge standards. Our membrane technology can also assist in the management and treatment of process plant wastewater in order to recover heavy metals and/or reagents.

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

Membrane separation, processes can also be used in processing ,wastewater, for water ,recovery, and recycling within the metal-plating industry within the context of zero discharge. Because of their high selectivity and thus high-quality permeate production, RO or NF have the capacity to be used as stand-alone technologies or in conjunction with another traditional water treatment …

Final Report | An Electrochemical Method for Acid Mine ...
Final Report | An Electrochemical Method for Acid Mine ...

The wastewater stream from mining operations would flow into the waste chamber where metal and hydrogen ions migrate across the cation permeable membrane into the recovery chamber. In the recovery chamber, the formation of hydroxide ions balance the positive ions that have migrated from the waste chamber through the cation permeable membrane.

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 …

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

Complete membrane recovery was achieved by sequential 24 h soakings in NaOCl, citric acid and a surfactant. coalmine wastewater , domestic reuse , manganese removal , membrane cleaning , membranes , precipitation

Acid Retardation. Simple Physical Method for Separation of ...
Acid Retardation. Simple Physical Method for Separation of ...

Separation, of the ,acid,-sugar mixtures by using ,acid, retardation and further concentration of the eluents by using continuous-effect ,membrane, distillation. Journal of Chemical Technology & Biotechnology 2016, 91 (4) , 1105-1112. https://doi.org/10.1002/jctb.4692. Yvonne Nleya, Geoffrey S. Simate, Sehliselo Ndlovu.

Mining Waste Treatment Technology Selection—Technology ...
Mining Waste Treatment Technology Selection—Technology ...

Membrane separation processes can also be used in processing wastewater for water recovery and recycling within the metal-plating industry within the context of zero discharge. Because of their high selectivity and thus high-quality permeate production, RO or NF have the capacity to be used as stand-alone technologies or in conjunction with another traditional water treatment method.

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

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 prevent their use in these applications.

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 …

Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...
Treatment of Acid Mine Drainage (AMD) by Ultra-Low ...

Recovery, of sulphuric ,acid, and added value metals (Zn, Cu and rare earths) from acidic ,mine, waters using nanofiltration membranes ,Separation, and Purification Technology, Vol. 212 A critical review on remediation, reuse, and resource ,recovery, from ,acid mine, drainage

Treatment and reuse of coalmine wastewater in Vietnam ...
Treatment and reuse of coalmine wastewater in Vietnam ...

According to Buzzi et al. (2013), electrodialysis is suitable for recovering water from AMD, with contaminant removal efficiencies greater than 97%. However, the precipitation of iron at the surface of the cation-exchange membrane results in scaling blockage of the membrane pores, which reduced the efficiency of the process.

Integrated Membrane Processes for Separation and ...
Integrated Membrane Processes for Separation and ...

The integrated membrane processes proposed here, including the three steps of (1), clarification, of fermentation broth, (2) organic acid separation, and (3) dewatering, can be applied to achieve energy-efficient and environmentally friendly organic acid removal and recovery.

(PDF) Phosphate Separation and Recovery from Wastewater …
(PDF) Phosphate Separation and Recovery from Wastewater …

Current applications of SED are mostly dedicated to nutrient ,recovery, from wastewaters or effluents, especially, phosphorus [156,161,162], as phosphate anion at 76% ,recovery, …

Membrane Distillation (Water and Wastewater) Articles
Membrane Distillation (Water and Wastewater) Articles

Membrane, distillation (MD) is a promising thermally-driven ,membrane separation, technology for water desalination. In MD, water vapor is being separated from the hot feed water solution using a micro-porous hydrophobic ,membrane,, due to the difference in vapor pressures across the ,membrane,.

Quick Guide To Industrial Wastewater Treatments | Howden
Quick Guide To Industrial Wastewater Treatments | Howden

Wastewater, from ,acid, manufacturing plants or industries where acids are used as raw materials or catalysts will inevitably contain acids in the waste stream. Removal of these pollutants require strategies involving, ion exchange, adsorption, solvent extraction, ,membrane separation,, reactive distillation, reactive extraction, ,membrane, based solvent extraction, emulsion liquid ,membrane, ...

Membrane Technology - Ecotechnol
Membrane Technology - Ecotechnol

Environmental applications of membrane technology range from treating Acid Mine Drainage (AMD), to cost effectively comply with surface discharge standards. Our membrane technology can also assist in the management and treatment of process plant wastewater …

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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