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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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supercritical co2 fluid treatment oil base cutting products wholesale distributor
Recent advances of CO2-responsive materials in separations ...
Recent advances of CO2-responsive materials in separations ...

1/3/2019, · Different from the dissolution effect of solvents, Duan et al. used switchable water additive solutions to separate diesel from ,oily cuttings,. In this process, the role of switchable water additives (a kind of alkaline compounds) is proved to activate the naturally surface-active acids ( e.g., naphthenic acids) in diesel, helping them become indigenous surfactants in samples.

Chromatography | Gas Chromatography | Chromatography
Chromatography | Gas Chromatography | Chromatography

The system incorporates a ,supercritical, fluid ,extraction, cell, which is necessary be-cause of the viscous nature of the samples. It also means that the sample is in- jected as a dilute solution in carbon dioxide, thus avoiding many of the injection problems found in SFC, and …

fluid extraction pfe: Topics by Science.gov
fluid extraction pfe: Topics by Science.gov

23/5/2018, · Aim: Present investigation was aimed to characterize the fixed oil of Linum usitatissimum L. using five different extraction methods: Supercritical fluid extraction (SFE), ultrasound-assistance, soxhlet extraction, solvent extraction, and three phase partitioning method.

www.science.gov
www.science.gov

1/6/2018, · Polyimide Precursor Solid Residuum. NASA Technical Reports Server (NTRS) Weiser, Erik S. (Inventor); St.Clair, Terry L. (Inventor); Echigo, Yoshiaki (Inventor ...

Universiti Teknologi Malaysia Institutional Repository: No ...
Universiti Teknologi Malaysia Institutional Repository: No ...

To date, studies on the Roselle seed ,extraction, are using conventional solvent ,extraction, which usually take very long and is not favorable to extract active compound from heat sensitive samples. In this study, ,supercritical, carbon dioxide (SC-CO2) ,extraction, was applied for ,extraction, of oil from Roselle seeds at temperature range of 40°C to 80°C and pressure of 20 MPa to 30 MPa.

Universiti Teknologi Malaysia Institutional Repository: No ...
Universiti Teknologi Malaysia Institutional Repository: No ...

To date, studies on the Roselle seed ,extraction, are using conventional solvent ,extraction, which usually take very long and is not favorable to extract active compound from heat sensitive samples. In this study, ,supercritical, carbon dioxide (SC-CO2) ,extraction, was applied for ,extraction, of oil from Roselle seeds at temperature range of 40°C to 80°C and pressure of 20 MPa to 30 MPa.

fluid extraction pfe: Topics by Science.gov
fluid extraction pfe: Topics by Science.gov

23/5/2018, · Aim: Present investigation was aimed to characterize the fixed oil of Linum usitatissimum L. using five different ,extraction methods,: ,Supercritical, fluid ,extraction, (SFE), ultrasound-assistance, soxhlet ,extraction,, solvent ,extraction,, and three phase partitioning method.

Remediation of PAHs contaminated soil by extraction using ...
Remediation of PAHs contaminated soil by extraction using ...

These, methods, include surfactant solubilization, solvent, extraction, supercritical, flu id, extraction,, hot water ext raction, and some other leaching remediat ion, techniques, [9,10,11, 12]. ...

Education Development Center
Education Development Center

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Remediation of Contaminated Soils using Supercritical ...
Remediation of Contaminated Soils using Supercritical ...

In order to enhance the decomposition percentage, ,supercritical extraction, is accompanied by oxidation process using H2O2. Using superheated steam ,extraction, process at 2.3MPa and 225 °C, 78.56% ...

central composite design (CCD) - Allie: Related PubMed Info.
central composite design (CCD) - Allie: Related PubMed Info.

Extraction, of Lepidium apetalum seed oil using ,supercritical, carbon dioxide and anti-oxidant activity of the extracted oil. ABTS, DPPH, RSM, SFE: 219 : 2011: ,Extraction, optimization of polycyclic aromatic hydrocarbons by alcoholic-assisted dispersive liquid-liquid microextraction and their determination by HPLC. AA-DLLME, FD, PAHs, ,RSD,: 220 : 2011

Stabilization/solidification of an alkyd paint waste by ...
Stabilization/solidification of an alkyd paint waste by ...

15/5/2010, · Wastes such as foundry sludge and petroleum drill ,cuttings, containing a mixture of organic compounds, heavy metals and water-soluble salts were immobilized using different S/S procedures based on Portland cement, lime and pozzolanic binders, in addition to a wide range of additives; in both studies , the leachability results of the S/S products showed a reduction of the heavy metals and …

Stanford University
Stanford University

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www.science.gov
www.science.gov

1/6/2018, · Polyimide Precursor Solid Residuum. NASA Technical Reports Server (NTRS) Weiser, Erik S. (Inventor); St.Clair, Terry L. (Inventor); Echigo, Yoshiaki (Inventor ...

CodaLab Worksheets
CodaLab Worksheets

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