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oily sludge supercritical extraction techniques treatment

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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oily sludge supercritical extraction techniques treatment
BARC
BARC

Facilities available: A ,supercritical, carbon dioxide loop is already operational with provisions for measuring heat transfer in horizontal and vertical tubes. A ,supercritical, water loop is under construction. 5.2 Steady State and Stability Characteristics of ,Supercritical, Systems (Contact person: Dr P.K. Vijayan)

Method for Lubricating Metal based on Supercritical Carbon ...
Method for Lubricating Metal based on Supercritical Carbon ...

8/6/2016, · The method as defined in claim 1 wherein the delivery of ,supercritical, carbon dioxide accomplishes at least one of microlubrication or nanolubrication of the metal workpiece. 7. The method as defined in claim 1, further comprising delivering at least one of compressed air or inert gas as a pressure released cooling spray to the workpiece during the metalworking process to provide …

Method for Lubricating Metal based on Supercritical Carbon ...
Method for Lubricating Metal based on Supercritical Carbon ...

8/6/2016, · The method as defined in claim 1 wherein the delivery of ,supercritical, carbon dioxide accomplishes at least one of microlubrication or nanolubrication of the metal workpiece. 7. The method as defined in claim 1, further comprising delivering at least one of compressed air or inert gas as a pressure released cooling spray to the workpiece during the metalworking process to provide additional ...

Metal working lubricant formulations based on ...
Metal working lubricant formulations based on ...

The use of ,CO 2, as a lubricant and/or as a lubricant delivery system offers the following non-limitative advantages: improved efficiency and recovery of metalworking, reduction in the amount of raw materials needed to fabricate ,products,; substantial elimination of many, if not all, drawbacks associated with traditional metalworking fluids (one example of which includes their potential for microbial …

Eco-Friendly Cutting Fluids in Minimum Quantity ...
Eco-Friendly Cutting Fluids in Minimum Quantity ...

15/10/2019, · ,Supercritical CO 2, has a beautiful aroma, excellent solubility, and limited heat dispersion capability, thus applied as a lubricant in the metalworking domain [160, 161]. It has been observed that ,CO 2, in MQL can effectively reduce the surface finish, wheel wear, and energy consumption compared to flood cooling technology [162, 163].

Supercritical water oxidation of oil-based drill cuttings ...
Supercritical water oxidation of oil-based drill cuttings ...

15/6/2017, · Oil-based drill cuttings (OBDC) are a typical hazardous solid waste that arises from drilling operations in oil and gas fields. The ,supercritical, water oxidation (SCWO) of OBDC was comprehensively investigated in a batch reactor under the conditions of various oxygen coefficients (OC, 1.5–3.5), temperatures (T, 400–500 °C) and reaction times (t, 0.

A laboratory evaluation of superheated steam extraction ...
A laboratory evaluation of superheated steam extraction ...

1/10/2018, · ,Supercritical CO 2, extraction SHSE; Temperature: 60℃ Up to 250℃ 60℃ 225℃ Pressure: Atmospheric pressure: Atmospheric pressure: 18 MPa: 2.3 MPa: ,Treatment, time: Batch, 20 min: Continuous, 5-10s: Semi- continuous, 110min: Semi- continuous, 65min: Mediums: Rhamnolipid, Na 2 CO 3, ethyl acetate and water; Liquid:OBDC = 3:1 (ml g −1) Nitrogen, 50 l min −1

Supercritical Carbon Dioxide Extraction of Lignocellulosic ...
Supercritical Carbon Dioxide Extraction of Lignocellulosic ...

typical system utilizes a CO2 cylinder for supplying the solvent. CO2 is subcooled via a heat exchanger and pumped as liquid to pressurize the vessel. CO2 can be supplied to the system by di erent types of positive displacement pumps such as pneumatic [64], syringe [126], and diaphragm [43]. In some

11 Conclusions and Recommendations | Separation ...
11 Conclusions and Recommendations | Separation ...

''extreme-condition'' equilibrium (e.g., temperatures well above 100°C or well below 0°C and pressures in the ,supercritical,-,fluid, range) To supply the critical thermodynamic information for many separations in these areas, advanced analytical-chemistry technology must be combined with phaseequilibrium equipment, followed by the derivation of correlations that accurately describe and ...

Energies | Free Full-Text | Supercritical Carbon Dioxide ...
Energies | Free Full-Text | Supercritical Carbon Dioxide ...

CO 2, is subcooled via a heat exchanger and pumped as liquid to pressurize the vessel. ,CO 2, can be supplied to the system by different types of positive displacement pumps such as pneumatic , syringe , and diaphragm . In some cases, the pumped ,CO 2, is preheated before entering the extractor [43,84,126,128,129,130].

Supercritical Carbon Dioxide Extraction of Lignocellulosic ...
Supercritical Carbon Dioxide Extraction of Lignocellulosic ...

typical system utilizes a ,CO2, cylinder for supplying the solvent. ,CO2, is subcooled via a heat exchanger and pumped as liquid to pressurize the vessel. ,CO2, can be supplied to the system by di erent types of positive displacement pumps such as pneumatic [64], syringe [126], and diaphragm [43]. In some

4 Review of Candidate Alternative Technologies ...
4 Review of Candidate Alternative Technologies ...

The oxidation reactions are exothermic and the temperature of the reactor effluent is around 1,112°F (600°C). Quench water cools the effluent to below its critical temperature. Reaction ,products, include water, ,CO 2,, and salts. The iSCWO technology can be used to treat any organic material that can be processed as a water slurry.

Supercritical fluids in chemistry - IOPscience
Supercritical fluids in chemistry - IOPscience

1/12/2020, · 1 Lomonosov Moscow State University, Faculty of Chemistry, Leninskiye Gory, stroenie 3, 119991 Moscow, Russian Federation, 2 A.V.Topchiev Institute of Petrochemical Synthesis of t

4 Review of Candidate Alternative Technologies ...
4 Review of Candidate Alternative Technologies ...

The oxidation reactions are exothermic and the temperature of the reactor effluent is around 1,112°F (600°C). Quench water cools the effluent to below its critical temperature. Reaction ,products, include water, ,CO 2,, and salts. The iSCWO technology can be used to treat any organic material that can be processed as a water slurry.

US7175716B2 - Critical and supercritical cleaning of ...
US7175716B2 - Critical and supercritical cleaning of ...

A method for cleaning materials containing solids and/or liquids is disclosed which involves contacting the materials with an extracting ,fluid, including Xe, NH 3 , lower aromatics, nitrous oxide, water, CO, ,CO 2, , H 2 O, lower alcohols, lower alkanes, lower alkenes, or mixtures or combinations thereof under conditions of temperature and pressure sufficient to maintain the ,fluid, at, near or above its critical point and to ,products, …

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