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hydraulic pump

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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hydraulic pump
Feasibility study on applying the iron-activated ...
Feasibility study on applying the iron-activated ...

Clofibric acid (CFA) was selected as an example of the widespread micropollutants in municipal wastewater to investigate the feasibility of the application of an iron-activated persulfate (Fe-PS) system for selective micropollutants removal prior to biological wastewater treatment.

Resource utilization of pickling wastewater (waste acid)
Resource utilization of pickling wastewater (waste acid)

Spray roasting is widely used in the regeneration process of waste ,acid, in large ,iron, and steel works, but it is not suitable for the ,treatment of acid, pickling ,wastewater, (waste ,acid,). 1.5 ion exchange method. A large number of pickling ,wastewater, (waste ,acid,) will be produced in ,iron, …

Enhanced Biological Treatment of Industrial Wastewater ...
Enhanced Biological Treatment of Industrial Wastewater ...

Over the past six years, we have studied the use of ,iron, shavings, especially turnings or shavings of 38CrMoAl steel (Figure 1) for enhanced biological ,treatment, of industrial process ,wastewater,. The ,iron, shavings contain ,iron, (>95%), carbon (0.35−0.42%), silica (0.2−0.45%), chromium (1.35−1.65%), and a few other trace elements (e.g., Mo, S, P, Ni, each <0.03%).

Oxalic Acid Recovery from High Iron Oxalate Waste Solution ...
Oxalic Acid Recovery from High Iron Oxalate Waste Solution ...

ferrous oxalate leaching stage, to decrease any oxalic acid losses. This treatment protocol for high-iron REE-free solution not only avoids the potential harm to the environment due to the wastewater but also significantly improves the circular economy of chemicals in the typical utilization in permanent magnet recycling processes.

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Road West, North Branch, Jingkai Road, Puyang City