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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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oil based cutting treatment equipment price gouging per
Review on oily sludge treatment technology - IOPscience
Review on oily sludge treatment technology - IOPscience

1/3/2020, · This paper mainly introduces the source, characteristics, environmental impact, as well as traditional and newly developed ,oily sludge treatment, technologies. With the improvement of national environmental protection requirements, ,oily sludge, quality reduction, recyclable and harmless ,treatment, technology will become the most potential technologies in the future.

Near-Critical and Supercritical Fluid Extraction of ...
Near-Critical and Supercritical Fluid Extraction of ...

Inthispaper,thenear-,critical and supercritical fluid extraction, of sewage ,sludge, from a wastewater ,treatment, facility of a petrochemical industrial plant was performed in a batch reactor system. The aim of the study was to determine the oil recovery and product distribution evolved from near- and ,supercritical extraction, with water (T c) 374 °C, P

(PDF) Near-Critical and Supercritical Fluid Extraction of ...
(PDF) Near-Critical and Supercritical Fluid Extraction of ...

Near- and ,supercritical, toluene ,extraction, (SCTE) of sewage ,sludge, was studied at temperatures of 300-450 °C and pressures of 8.5-20 MPa. The studies were performed with different solvent/,sludge, ratios (3, 1.5, and 1) for 1 h, and the optimum solvent/,sludge, ratio was found to be 1; it was also the value at which the highest total product yield was obtained.

Progress and Prospects of Oily Sludge Treatment Technology ...
Progress and Prospects of Oily Sludge Treatment Technology ...

A large number of waste oil and ,sludge, were generated during mining and processing. Untreated ,Sludge, directly discharged into environment will lead to critical human health harm and serious environment pollution. As one of the petrochemical ,process, major pollutants, ,treatment, of oil ,sludge, processing, at home and abroad, has been trying to study.

A Review on Extraction and Identification of Crude Oil and ...
A Review on Extraction and Identification of Crude Oil and ...

These include ,supercritical, fluid ,extraction, (SFE), ,supercritical, fluid chromatography (SFC), and liquid chromatography (LC). This review covers recent developments and advances in all of the above-mentioned and related techniques used to extract and identify crude oil and related products.

Treatment of oily sludge using solvent extraction ...
Treatment of oily sludge using solvent extraction ...

31/1/2019, · AbstractBaiji oil refineries produce 3000–3500 m3/year of ,oily sludge,. This ,sludge, is hard to be biodegraded, contains large quantities of crude oil, and hard to be transported into landfill sites. The aim of the present work is to treat this ,oily sludge, by solvent ,extraction, in order to separate this ,sludge, to many components that are easy to deal with and recover the valuable crude oil.

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

1/8/2020, · Supercritical oxidation refers to the use of supercritical fluid oxidation to treat oily sludge, to reduce both the viscosity of the oil phase and the content of heavy component from the sludge recovered after separation, .

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

The simulated oily sludge and real petroleum oily sludge are treated by the supercritical water oxidation.

Near-Critical and Supercritical Fluid Extraction of ...
Near-Critical and Supercritical Fluid Extraction of ...

Inthispaper,thenear-,critical and supercritical fluid extraction, of sewage ,sludge, from a wastewater ,treatment, facility of a petrochemical industrial plant was performed in a batch reactor system. The aim of the study was to determine the oil recovery and product distribution evolved from near- and ,supercritical extraction, with water (T c) 374 °C, P

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

1/3/2020, · This paper mainly introduces the source, characteristics, environmental impact, as well as traditional and newly developed ,oily sludge treatment, technologies. With the improvement of national environmental protection requirements, ,oily sludge, quality reduction, recyclable and harmless ,treatment, technology will become the most potential technologies in the future.

Overview of Emerging Oily Waste Treatment Technologies
Overview of Emerging Oily Waste Treatment Technologies

oxidation of oily waste and extractive clean-up of oily sludge. Wet oxidation is basically a low temperature incineration process which can be operated either subcritically or supercritically with regard to the water. Furthermore, it can be operated either above ground in process vessels or …

Overview of Emerging Oily Waste Treatment Technologies
Overview of Emerging Oily Waste Treatment Technologies

oxidation of oily waste and extractive clean-up of oily ,sludge,. Wet oxidation is basically a low temperature incineration ,process, which can be operated either subcritically or supercritically with regard to the water. Furthermore, it can be operated either above ground in ,process, vessels or below ground in a …

(PDF) Near-Critical and Supercritical Fluid Extraction of ...
(PDF) Near-Critical and Supercritical Fluid Extraction of ...

Procedure for ,Extraction, Studies. 2.2.1. Soxhlet ,Extraction,.Soxhlet ,extraction, of sewage ,sludge, with different solvents was performed to determine a suitable solvent for high recovery of extract from sewage ,sludge,. All of the Soxhlet ,extraction, experiments were carried out for 8 h, and the results were given in Table 3. Near-and ,Supercritical, Fluid ,Extraction,.The experiments were carried out in an SS 316, …

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 …

(PDF) Near-Critical and Supercritical Fluid Extraction of ...
(PDF) Near-Critical and Supercritical Fluid Extraction of ...

Procedure for ,Extraction, Studies. 2.2.1. Soxhlet ,Extraction,.Soxhlet ,extraction, of sewage ,sludge, with different solvents was performed to determine a suitable solvent for high recovery of extract from sewage ,sludge,. All of the Soxhlet ,extraction, experiments were carried out for 8 h, and the results were given in Table 3. Near-and ,Supercritical, Fluid ,Extraction,.The experiments were carried out in an SS 316, …

Different Treatment Methods for Oily Sludge & Drilling ...
Different Treatment Methods for Oily Sludge & Drilling ...

Select a suitable organic solvent as extractant, and then recover the crude, oil, in the, oil sludge., The use of multi-stage separation and, extraction, along with hot wash method to dispose, oil sludge,, the, processed sludge, can achieve the discharge standards of agricultural sludge, and the chemicals can be recycled.

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 ...

Different Treatment Methods for Oily Sludge & Drilling ...
Different Treatment Methods for Oily Sludge & Drilling ...

Select a suitable organic solvent as extractant, and then recover the crude oil in the oil sludge. The use of multi-stage separation and extraction along with hot wash method to dispose oil sludge, the processed sludge can achieve the discharge standards of agricultural sludge, and the chemicals can be recycled.

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