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pipe-jacking slurry treatment equipment suppliers

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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pipe-jacking slurry treatment equipment suppliers
An economic evaluation of catalytic supercritical water ...
An economic evaluation of catalytic supercritical water ...

Abstract ,Supercritical, water oxidation (SCWO) is a relatively new technology that has been developed to treat aqueous waste streams. The addition of a heterogeneous catalyst can increase the overal...

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, (o,ily sludge,). Herein, the simultaneous demulsification and recovery of oil with low impurity content, trapped in, petroleum emulsions,, was investigated using, supercritical, …

US4898673A - Dynamic supercritical fluid extraction system ...
US4898673A - Dynamic supercritical fluid extraction system ...

Soluble materials are continuously extracted from solids using extracting solvents such as carbon dioxide by circulating a mixture of the solids in carbon dioxide at elevated pressure through a closed loop pipeline. A mixture of extracts dissolved in carbon dioxide is continuously removed from the system and material to be extracted is continually added.

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

Hu J, Gan J, Li J, Luo Y, Wang G, Wu L, Gong Y. ,Extraction, of crude oil from petrochemical ,sludge,: characterization of ,products, using thermogravimetric analysis. Fuel. 2017; 188:166–172. [Google Scholar] Hu G, Feng H, He P, Li J, Hewage K, Sadiq R. Comparative life-cycle assessment of traditional and emerging ,oily sludge, treatment approaches.

Supercritical water oxidation research and development ...
Supercritical water oxidation research and development ...

Supercritical, water oxidation (SCWO) is a form of hydrothermal treatment. During the early research and development (R&D) period (early 1980s), it has been demonstrated that SCWO can be an effective ...

Petroleum sludge treatment and disposal: A review
Petroleum sludge treatment and disposal: A review

In oxidation process reactive agents are introduced into the ,oily sludge, and the organic compound in the ,oily sludge, will be oxidized to carbon dioxide and water or into non-hazardous materials . Various oxidation reagent has been used in this process for ,oily sludge, treatment such as Fenton’s reagent, hypochlorite, ozone, ultrasonic irradiation, permanganate, and persulfate.

Value-Added Bio-products From Sewage Sludge - ScienceDirect
Value-Added Bio-products From Sewage Sludge - ScienceDirect

1/1/2017, · Since 2005, bioconversion of sludge into value-added products has been focused to produce products like biodegradable plastics, enzymes,, biopesticides, bio-fertilizers (rhizobia), bio-surfactants,, and, bio-fungicides, , , , , , .

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 | Request PDF
Oxidation of oily sludge in supercritical water | Request PDF

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 …

Molecules | Free Full-Text | Recovery of Biomolecules from ...
Molecules | Free Full-Text | Recovery of Biomolecules from ...

Supercritical fluid extraction has extensive application in the extraction of pesticides, environmental samples, foods and fragrances, essential oils, polymers and natural products. The biggest hurdle in the commercial application of this technique is its prohibitive capital investment.

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

25/9/2020, · Consequently, the addition of surfactant was not significantly different compared to the washing with no surfactants, except for one ,sludge,. The use of the surfactant in the washing solution can help in the selective ,extraction, of specific oil hydrocarbon fractions in the recovered oil to assess its potential reuse as fuel.

New technology for recyclingmaterials from oily cold ...
New technology for recyclingmaterials from oily cold ...

Oily cold rolling mill (CRM) ,sludge, is one of metallurgical industry solid wastes. The recycle of these wastes can not only protect the environment but also permit their reutilization. In this research, a new process of “hydrometallurgical treatment + hydrothermal synthesis” was investigated for the combined recovery of iron and organic materials from oily CRM ,sludge,.

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

Abstract: Integrated process for the production of bio-oil from ,sludge, coming from a wastewater purification plant comprising the following steps: (a) sending wastewater to said purification plant obtaining ,sludge,; (b) subjecting the ,sludge, obtained in said step (a) to liquefaction, obtaining a mixture Including an ,oily, phase consisting of bio-oil, a solid phase and an aqueous phase; (c) sending the …

Guide to Oil Waste Management Alternatives
Guide to Oil Waste Management Alternatives

Krupp process uses ,supercritical extraction, with propane or other light gases for fractionation and ,sludge, precipitation. ... ,products, to eliminate or reduce components which can inhibit biodegradation. ... ,oily sludge, may be returned to the refinery when appropriate. The

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 ...

Molecules | Free Full-Text | Recovery of Biomolecules from ...
Molecules | Free Full-Text | Recovery of Biomolecules from ...

Supercritical, fluid ,extraction, has extensive application in the ,extraction, of pesticides, environmental samples, foods and fragrances, essential oils, polymers and natural ,products,. The biggest hurdle in the commercial application of this technique is its prohibitive capital investment.

(PDF) Techno-economic and environmental assessment of ...
(PDF) Techno-economic and environmental assessment of ...

Supercritical extraction, technology shows to be a promising After the ,extraction, procedure, 10 ␮l of the extracted oil were technology to extract components at high purity in a cleaner way diluted in 1.5 ml of chromatographic grade hexane and added than other technologies, however it is a demanding technology to a test tube and injected in the gas chromatograph–mass in terms of energy …

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

Abstract: Integrated process for the production of bio-oil from ,sludge, coming from a wastewater purification plant comprising the following steps: (a) sending wastewater to said purification plant obtaining ,sludge,; (b) subjecting the ,sludge, obtained in said step (a) to liquefaction, obtaining a mixture Including an oily phase consisting of bio-oil, a solid phase and an aqueous phase; (c) sending the …

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