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Cathodic protection of acidic chromium containing wastewater by electrolysis

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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Cathodic protection of acidic chromium containing wastewater by electrolysis
Fenton reagent treatment of acid cleaning wastewater ...
Fenton reagent treatment of acid cleaning wastewater ...

The results showed that the parameters in the best conditions,the ,acid cleaning wastewater, COD removal efficiency of more than 95%,mass concentration of NH3-N can be reduced to 15mg/L,the phosphorus removal rate was more than 99.99%,mass concetration of phosphorus can be reduced to 0.4mg/L.Through the deposition and processing,,acid cleaning wastewater, discharge requirements …

Wastewater Treatment | Chemicals & Solutions | ChemREADY
Wastewater Treatment | Chemicals & Solutions | ChemREADY

Our professional, highly trained technical consulting experts specialize in system facility operations, preventive care, and protection against Legionella by using state-of-the-art technology to track and report systems performance. Our full-line of scientifically proven products provide solutions for every step of the treatment processes, ensuring that your ,wastewater, can be fed safely into ...

4 Uses for Oxalic Acid | DoItYourself.com
4 Uses for Oxalic Acid | DoItYourself.com

Aside from bleaching, rust removing, and stain removing, oxalic acid is also used as a reducing agent in developing photographic film. You can also find it used in wastewater treatment as well since oxalic acid can effectively remove calcium from wastewater. And lastly, oxalic acid is also used as a grinding agent when polishing marble.

Underwater Cleaning (Water and Wastewater) Equipment
Underwater Cleaning (Water and Wastewater) Equipment

Weda - Model VR600 - Water Reservoirs and Water Towers ,Cleaning, System. The VR-600 was developed in cooperation with Stockholm Water Authority for underwater ,cleaning, of potable water tanks.VR-600 is based on old and well-tested cleaners which minimizes the risk for breakdowns inside the reservoir. It is equipped with remote control, pan and tilt ...

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