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oil production machine

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 production machine
Environmental Ion Exchange Principles and Design
Environmental Ion Exchange Principles and Design

weak,-,acid, groups and can thus be used as cation exchangers. Most of these materials, however, swell excessively, are easily decomposed by an ,alkali,, and tend to peptize. They must, therefore, be stabilized before use. Soft and hard lignitic coals have been stabilized by treatment with solutions of copper, chromium, or aluminum salts.

Journal of Membrane Science
Journal of Membrane Science

shows that TMAH ,wastewater, can also be treated using both ,strong and weak acid, cation exchange resins. The selectivity coefficients of TMA + over proton was 5.16 for ,strong acid, cation and 6.45 × 10−4 for ,weak acid, cation. In addition, experiments were also conducted by S. Nishihama et al. [12] for separation and recovery of TMAH using

Environmental Health and Safety Guidelines for ...
Environmental Health and Safety Guidelines for ...

• Apply a catalytic reduction process to ,treat, tail gases from the absorption tower ; 4 3 Efficiency can be improved by increasing the number of absorber trays, operating the absorber at higher pressures, or cooling the ,weak acid, liquid in the absorber. 4 Tail gases may be heated to ignition temperature, mixed with fuel (e.g., natural

Adsorption of emerging contaminants from water and ...
Adsorption of emerging contaminants from water and ...

15/3/2021, · The equilibrium adsorption capacity of enrofloxacin on ,acid, and ,alkali, modified biochar increased by 27.80% and 54.08%, respectively (Wang et al., 2019b). The ,acid,-base modified biochar has been used to remove a variety of ECs, such as TC ( Huang et al., 2017 ; Jang and Kan, 2019 ), ciprofloxacin (CIP) ( Li et al., 2018 ), BPA ( Zhao et al., 2017 ) and so on.

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