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supercritical fluid extraction

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 fluid extraction
Contaminated Drill Cuttings and Their Treatment ...
Contaminated Drill Cuttings and Their Treatment ...

Supercritical ,fluid, technology is a favorable method for ,treatment, of oil-contaminated drill ,cuttings,. Supercritical fluids have several desirable properties that make them attractive for certain separation processes, e.g. the product is not contaminated with residual solvent [2-3].

Waste disposal - ScienceDirect
Waste disposal - ScienceDirect

1/1/2015, · As a technology that can be traced back to 1984,, supercritical fluid extraction, has been used to, treat, this, waste, ., Supercritical fluid extraction, is an, extraction, technique that, uses, substances at or above their critical pressure and temperature as solvents., Supercritical carbon dioxide, is capable of removing the base oil from drilling waste.

Industry Terms - learn.greencultured.co
Industry Terms - learn.greencultured.co

Also known as ,supercritical, carbon dioxide (or ,CO2,) extraction, ,CO2, extraction is a technique that freezes and compresses ,CO2, to its ,supercritical, state then passes the cold ,CO2, liquefied gas through cannabis, pulling all of the essential cannabinoids, terpene oils and waxes out of the plant material into collection receptacles.

Treatment of Oil Contaminated Drill Cuttings ...
Treatment of Oil Contaminated Drill Cuttings ...

Treatment, of Oil Contaminated Drill ,Cuttings, - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ,Treatment, Of Oil Contaminated Drill ,Cuttings

Low Temperature Pyrolysis Characteristics of Oil Sludge ...
Low Temperature Pyrolysis Characteristics of Oil Sludge ...

Supercritical ,water treatment, of oil sludge, a viable route to valorize waste oil materials. Fuel 2015, 159 , 653-658. https://doi.org/10.1016/j.fuel.2015.06.094; Ke Zhang, Jianhua Zhu, Yong Zhou, Bencheng Wu. Investigation into the dehydration process of ,oily, sludge by fry-drying method.

TREATMENT OF OIL-CONTAMINATED DRILL CUTTINGS OF …
TREATMENT OF OIL-CONTAMINATED DRILL CUTTINGS OF …

Supercritical ,fluid, extraction is a new separation technique which has drawn much attention to the use of ... medium which may be aqueous (e.g., ,water, or brine) or an oil (e.g., diesel oil). ... must be treated. In other words, the ,oily, drill ,cuttings, can not be discharged directly into a disposal site at the well, ...

Patents in Class 134/12
Patents in Class 134/12

Method of purifying filter, and method of cleaning or drying object to be treated A filter that filters carbon dioxide in the gaseous, liquid or ,supercritical, state is efficiently purified. The carbon dioxide is used to at least clean or dry an object to be treated, or to clean...

Energy & Fuels | Vol 34 No 12
Energy & Fuels | Vol 34 No 12

Crude Oil Recovery with Duomeen CTM-Stabilized ,Supercritical CO 2, Foams for HPHT and Ultrahigh-Salinity Carbonate Reservoirs. Leilei Zhang, Guoqing Jian, Maura Puerto, Xinglin Wang, Zeliang Chen, Chang Da, Keith Johnston, George Hirasaki, and ; Sibani Lisa Biswal*

(PDF) Treatment of oil-contaminated drill cuttings of ...
(PDF) Treatment of oil-contaminated drill cuttings of ...

Supercritical fluid, extraction is a new technology that could be effectively, used, to, treat oil-contaminated drill cuttings, generated during, drilling, for, oil, and gas.

Status and prospect of oil recovery from oily sludge:A ...
Status and prospect of oil recovery from oily sludge:A ...

1/8/2020, · ,Supercritical fluid., The method refers to the, use, of, supercritical fluid, to treat oily sludge in order to recover crude oil and other useful resources. According to the different, treatment, methods, it can be divided into, supercritical oxidation, and, supercritical, extraction. The common, supercritical fluids, are, water,, ethane, ethylene and carbon dioxide.

Application of Comprehensive Harmless Waste Treatment ...
Application of Comprehensive Harmless Waste Treatment ...

Leaching and resource utilization technology (LRET) is currently applied to treat ,oily, drilling ,cuttings, from ultradeep complex formations. The results indicate that the oil content of treated drilling ,cuttings, is less than 0.6%, and the recovery rate of OBM is over 20%.

Method for the removal and recovery of the oily component ...
Method for the removal and recovery of the oily component ...

The Applicant has now found that the, oily, part of, cuttings, coming from the drilling of oil wells can be removed with an extraction method which, uses,, as solvent,, CO 2, in the liquid state, obtaining an oil with the same characteristics as the mud formulation product and which, when suitable additives are added, can be re-used in other drillings whereas the solid part (cuttings) can be re-admitted into the …

Treatment of Oil Contaminated Drill Cuttings ...
Treatment of Oil Contaminated Drill Cuttings ...

Treatment of Oil Contaminated Drill Cuttings, - Free download as PDF File (.pdf), Text File (.txt) or read online for free. ,Treatment Of Oil Contaminated Drill Cuttings

Contaminated Drill Cuttings and Their Treatment ...
Contaminated Drill Cuttings and Their Treatment ...

Supercritical fluid technology is a favorable method for treatment of oil-contaminated drill cuttings. Supercritical fluids have several desirable properties that make them attractive for certain separation processes, e.g. the product is not contaminated with residual solvent [2-3].

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

The oxidation of, oily sludge, in, supercritical water, is performed in a batch reactor at reaction temperatures between 663 and 723 K, the reaction times between 1 and …

Volatileoils by pooja in pharmacognosy
Volatileoils by pooja in pharmacognosy

11/3/2018, · It is the process of separating one component (the extractant) from another (matrix) using supercritical fluids as the extracting solvents. The system must contain a pump for CO2, a pressure cell that contains the sample, a mean of maintaining pressure in the system and a collecting vessel. The liquid is pumped to heated zone, where it is heated to supercritical conditions. It is then passed into …

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