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supercritical CO_2 fluid treatment oily sludge and drilling cuttings

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 CO_2 fluid treatment oily sludge and drilling cuttings
Different Treatment Methods for Oily Sludge & Drilling ...
Different Treatment Methods for Oily Sludge & Drilling ...

Drawbacks: the ,supercritical, sluid ,extraction, technology is in the development stage. At present, the ,extraction, process of oil ,sludge, is still in the experimental development stage, so the technology is not very mature; as the extractant is expensive, and there will be a certain loss in the production process, the cost of ,extraction, is quite high.

Oil/Water Interfacial Destabilization of Floated Oily ...
Oil/Water Interfacial Destabilization of Floated Oily ...

These oily sludges display various properties according to their presence during the industrial process (tank bottom oily ,sludge,, oil-contaminated soil, floated oily ,sludge,). (2−4) Among these different kinds of oily sludges, floated oily ,sludge, (FOS) has unique properties because it is a kind of oil–inorganic (coagulant/solid) mixture produced during the air flotation process of oily wastewater treatment.

Oil sludge washing with surfactants and co-solvents: oil ...
Oil sludge washing with surfactants and co-solvents: oil ...

Oil recovery rates (ORR, %) from four types of oil sludges, a ODS, b STS, c RS, and d NSC at 1:1 and 5:1 S/OS ratios. Cyclohexane was used as a co-solvent (1:1 C/OS ratio). A Tukey's test compared the S/OS ratios with surfactants per oil ,sludge,. Values with the same letters are not significantly different ( p > 0.05).

Microchemical Journal Journal Impact IF 2020-2021 ...
Microchemical Journal Journal Impact IF 2020-2021 ...

The ,Microchemical Journal, Journal Impact IF 2020-2021 is 3.594. More IF Analysis, Trend, Ranking & Prediction.

Oil Recovery from Petroleum Sludge by Solvent Extraction
Oil Recovery from Petroleum Sludge by Solvent Extraction

The combined process with “ball milling + ozone-catalyzed oxidation” as the core can solve the two problems in the treatment of oily ,sludge, from the tank bottom by hot water-based ,extraction, ...

(PDF) Review on oily sludge treatment technology
(PDF) Review on oily sludge treatment technology

extraction, method has the potential to treat a large nu mber of oily ,sludge,. At present, one of the major obstacles to the large-scale application of oily ,sludge, treatme nt method is that the ...

A comprehensive review of the screening methodology for ...
A comprehensive review of the screening methodology for ...

A ,biodegradability, assay should mimic in situ conditions as closely as possible. If this is not entirely possible, the assayshould at least include inoculum from the site. This review attemptsto condense current literature on anaerobic ,biodegradability, assayand propose a clear assessment methodology to determine the fatesurfactants in anaerobic environments.

Review on oily sludge treatment technology - IOPscience
Review on oily sludge treatment technology - IOPscience

1/3/2020, · Oily ,sludge, is one of the most important solid pollutants produced by ... Taiwo E A and Otolorin J A 2009 Oil recovery from petroleum ,sludge, by solvent ,extraction, Petrol. Sci. Technol. 27 836-844. Crossref ... Huo W J and Cui B C 2008 Study on ,supercritical, water oxidation of petroleum ,sludge, [J] Modern Chemical Industry 28 53 ...

Abstract Chemical Abstracts
Abstract Chemical Abstracts

Supercritical, fluid ,extraction, vs conventional ,extraction, of myrtle leaves and berries: Comparison of antioxidant activity and identification of bioactive compoundsOriginal Research Article Abstract In this work, the antioxidant capacity of extracts of Portuguese myrtle (Myrtus communis L.) is being studied over a period of three years.

Treatment Of Refining Sludge Patents and Patent ...
Treatment Of Refining Sludge Patents and Patent ...

Abstract: A method of treating a first batch of oil ,sludge, containing entrapped oil residue comprises the steps comprises the steps of bringing into contact the first batch of oil ,sludge, to a liquid composition of an emulsion with or without a carrier, wherein the emulsion comprises an alkylpolyglucoside surfactant in 2 to 40% by weight of total composition; a co-surfactant in 1 to 30% by weight of total composition …

Oil/Water Interfacial Destabilization of Floated Oily ...
Oil/Water Interfacial Destabilization of Floated Oily ...

These ,oily, sludges display various properties according to their presence during the industrial process (tank bottom ,oily sludge,, oil-contaminated soil, floated ,oily sludge,). (2−4) Among these different kinds of ,oily, sludges, floated ,oily sludge, (FOS) has unique properties because it is a kind of oil–inorganic (coagulant/solid) mixture produced during the air flotation process of ,oily, …

Efficient oil recovery from highly stable toxic oily ...
Efficient oil recovery from highly stable toxic oily ...

1/1/2019, · One of the main challenges in crude oil, extraction, and refining is the formation of highly toxic intractable, petroleum emulsions, (,oily sludge,). Herein, the simultaneous demulsification and recovery of oil with low impurity content, trapped in petroleum emulsions, was investigated using, supercritical, …

Oil sludge washing with surfactants and co-solvents: oil ...
Oil sludge washing with surfactants and co-solvents: oil ...

25/9/2020, · Oil recovery rates (ORR, %) from four types of oil sludges, a ODS, b STS, c RS, and d NSC at 1:1 and 5:1 S/OS ratios. Cyclohexane was used as a co-solvent (1:1 C/OS ratio). A Tukey's test compared the S/OS ratios with surfactants per oil ,sludge,. Values with the same letters are not significantly different ( …

Review on oily sludge treatment technology - IOPscience
Review on oily sludge treatment technology - IOPscience

1/3/2020, · Abstract. ,Oily sludge, is one of the most important solid pollutants produced by petroleum industry. Due to the serious pollution and the increasing production of ,oily sludge, year by year, how to effectively treat ,oily sludge, is the focus of worldwide attention. This paper mainly introduces the source, characteristics, environmental impact, as well ...

Oxidation of oily sludge in supercritical water ...
Oxidation of oily sludge in supercritical water ...

15/6/2009, · The, oily sludge, and liquid, products, samples were, extracted, with dichloromethane. The, extracts, were dissolved in n -pentane and separated into soluble and insoluble fractions (asphaltene). The soluble fraction was loaded on a silica gel column and eluted with hexane to …

CN103979757B - Method for treating oily sludge through ...
CN103979757B - Method for treating oily sludge through ...

The invention discloses a method for treating oily ,sludge, through the multistage ,extraction,-splitting coupling of a ,supercritical, fluid. Oily ,sludge, is subjected to harmless treatment and resource utilization by using oily ,sludge, reduction, hardening and tempering, flash evaporation, multistage ,supercritical, fluid ,extraction,-,supercritical, water-splitting coupling technologies, wherein light ...

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