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Removal of hypophosphite and lactic acid from acidic chemical 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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Removal of hypophosphite and lactic acid from acidic chemical wastewater
Use of reverse osmosis membranes to remove perfluorooctane ...
Use of reverse osmosis membranes to remove perfluorooctane ...

The feasibility of using ,reverse osmosis, (,RO,) membranes for treating semiconductor ,wastewater, containing PFOS has been investigated. Commercial ,RO, membranes were characterized in terms of permeability, salt rejection, scanning electron microscopy (SEM), transmission electron microscopy (TEM), and ,membrane, surface zeta potential (streaming potential measurements).

JP2013123673A - Treatment method for hydrofluoric acid ...
JP2013123673A - Treatment method for hydrofluoric acid ...

And a hydrofluoric acid wastewater treatment method comprising a membrane separation step for separating the silicon into non-permeated water enriched with silicon. In …

Applicability of a Reverse Osmosis (RO)Membrane to the ...
Applicability of a Reverse Osmosis (RO)Membrane to the ...

Applicability of a ,Reverse Osmosis, (,RO,) ,Membrane, to the ,Treatment, of ,Wastewater, Contaminated with Nitrite, Nitrate, Iron and Manganese A.K.M. Ashadullah 1,* and Naoyuki Kishimoto2 1Graduate School of Science and Technology, Department of Environmental Solution Technology, Ryukoku University, 1-5 Yokotani, Seta Oe-cho, Otsu-shi, Shiga 520-2194 ...

Evaluation of fouling and RO performance for MBR treated ...
Evaluation of fouling and RO performance for MBR treated ...

Reverse osmosis (RO) is a pressure-driven membrane process that is widely recognized as the leading technology for critical water treatments including seawater desalination (Wenten & Khoiruddin 2016) and various industrial wastewaters (Mölter & Lindenthal 1995; Suárez et al. 2014).

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