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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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Acoustic Testing
(PDF) Waste Water Treatment of Textile Industry: Review ...
(PDF) Waste Water Treatment of Textile Industry: Review ...

The pH was controlled by adding either ,strong acid, (HCl) or ,strong, base (NaOH). The quantity of ,wastewater, from textile industries has been increasing together with growing demand for textile products. The release of textile industry ,wastewater, into the environment can cause serious health and environmental problems.

Sulphuric acid - Water Treatment and Purification
Sulphuric acid - Water Treatment and Purification

The commercial grades of ,acid, have special names. A moderately ,strong acid, (50°_55° He.), such as condenses in the lead chambers, is known as "chamber ,acid,." It contains from 62 to 70 per cent of H2S04, and is ,strong, enough for use in the manufacture of fertilizer, and for other purposes requiring a dilute ,acid,.

Study on Treatment of Salicylhydroxamic Acid Wastewater ...
Study on Treatment of Salicylhydroxamic Acid Wastewater ...

Salicylhydroxamic acid, is an excellent collector of oxidizing ore, and it has an efficient collection performance for ,tungsten molybdenum, ore. However, the utilization ratio of ,salicylhydroxamic acid, is relatively low in the flotation process, and a large amount of flotation ,wastewater, discharged might cause damage to the water environment.

1 Wastewater treatment equipment - ELEPON
1 Wastewater treatment equipment - ELEPON

- Supporting neutralization ,treatment, of ,acid wastewater, - Grasping flow rate in terms of triangle sluice wOvervie-.pH Control Unit of PB type is developed for site of construction and engineering works and can be continuously neutralized with stable pH control by addition on-site ,strong, alkali ,wastewater, to sulfuric ,acid,,

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Road West, North Branch, Jingkai Road, Puyang City