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Neutralization of acid wastewater from chemical plants

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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Neutralization of acid wastewater from chemical plants
Heterogeneous Catalytic Process for Wastewater Treatment ...
Heterogeneous Catalytic Process for Wastewater Treatment ...

13/6/2019, · The ,principle, of heterogeneous catalytic treatment process of refractory ,wastewater, was analyzed, and several different types of heterogeneous catalytic oxidation processes, technical progresses, and application examples were presented. The mechanisms of heterogeneous catalytic oxidation degradation of pollutants in ,wastewater, were also discussed.

Application of integrated treatment strategies for ...
Application of integrated treatment strategies for ...

1/6/2020, · Initially, PAX- 21, wastewater was passed via iron granules having porosity 0.72 packed in glass iron column at a flow rate of 2.5 ml/ min for 30 min. Iron pre-treatment led to the reduction of RDX and DNAN to formaldehyde and 4-methoxy-3- nitroanlinine (DAAN) respectively.

Principle and Process of Heavy Metal Removal from Sewage ...
Principle and Process of Heavy Metal Removal from Sewage ...

The sufficient removal of heavy metals from sewage sludge remains to be achieved. Heavy metals that exist on the cell surfaces of the microorganisms in the sludge seem to be dissolved by ,acid, treatments. This study shows that heavy metals in sewage sludge can be removed easily by ,treating, a sludge filter cake with phosphoric ,acid, containing hydrogen peroxide for 1 h at room temperature ...

CN104876816A - Synthetic method of ferrous lactate ...
CN104876816A - Synthetic method of ferrous lactate ...

According to the synthetic method,, ferrous, carbonate and lactic acid are taken as raw materials and directly react to generate, ferrous, lactate and carbon dioxide, so that the introduction of...

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