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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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oil press machine spare parts
Ion Exchange Softeners and Dealkalizers – Water Technology ...
Ion Exchange Softeners and Dealkalizers – Water Technology ...

15/5/2017, · Typically, strong acid cation units are regenerated with 6 pounds of sodium chloride per cubic foot of resin, or 6 to 8 pounds of sulfuric acid (as 100% acid) per cubic foot. The regeneration level for anion resin is typically 4 pounds of caustic soda (as 100% caustic) per cubic foot of resin.

Water Handbook - Coil-end Deposition and Corrosion Control ...
Water Handbook - Coil-end Deposition and Corrosion Control ...

Some operators add ,caustic soda, or ,soda, ash to neutralize the deposits and lower the loss of air heater metal during washing. The average cold-end temperature of an operating air preheater is the sum of combustion air inlet temperature and flue gas outlet temperature, divided by two.

Electrochemical Induced Calcium Phosphate Precipitation ...
Electrochemical Induced Calcium Phosphate Precipitation ...

The typical way to create a supersaturated condition is by adding ,caustic soda, to increase solution pH. However, because ,wastewater, normally has a considerable buffering capacity because of the presence of organic acids and inorganic carbonates, significant base addition is needed in order to increase the bulk solution pH to a certain level that would induce CaP precipitation.

Electrochemical Recovery of Phosphorus from Acidic Cheese ...
Electrochemical Recovery of Phosphorus from Acidic Cheese ...

Regardless of the acidification, 53 ± 2% P and 32 ± 1% Mg were removed in 24 h at 8.3 A/m2. By contrast, in response to the acidification, the removal of Ca dropped from 42% to 19%. The removal of Mg depends on the c.d., with less than 5% removed at 1.4 A/m2 but 70% at 27.8 A/m2 in 24 h.

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