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supercritical water hydrolysis

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

The biological treatment techniques of oily sludge are mainly cultivating, composting and, sludge, bioreactor. It mainly makes use of, microorganisms and makes petroleum hydrocarbons in the oil sludge degraded into harmless so,il composition.

(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.

(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.

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

However, a large component of ,oily sludge, is crude oil, which has great recycling value. Therefore, various crude oil recovery technologies, such as solvent ,extraction,, pyrolysis, centrifugation, ultrasonic ,treatment,, electronal ,treatment,, flotation, ,supercritical treatment,, and combined processes, have been developed for the ,treatment, of ,oily sludge,.

Supercritical Water Gasification of Municipal Sludge: A ...
Supercritical Water Gasification of Municipal Sludge: A ...

8/12/2011, · 1. Introduction. Municipal sewage ,sludge, is often heavily moisture-laden, containing moisture well in excess of 95 w/w% (Fytili&Zabaniotou, 2008; Harrison et al., 2006; Hong et al., 2009).Annual U.S. ,sludge, volume is estimated to be between 500 million and 1.5 billion wet tons, resulting in the need to remove between 130 and 400 billion gallons of water from it for ,treatment, and …

A novel method for recovering oil from oily sludge via ...
A novel method for recovering oil from oily sludge via ...

At present, treatment methods of oily sludge are various, mainly including, pyrolysis,, direct combustion, freeze-thaw treatment, biological treatment,, solvent, extra,ction,, thermochemical cleaning ...

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

18/2/2000, · Near-Critical and ,Supercritical, Fluid ,Extraction, of Industrial Sewage ,Sludge,. Industrial & Engineering Chemistry Research 2007, 46 (4) , 1051-1057. DOI: 10.1021/ie0614780. Meng Meng,, Haoquan Hu,, Qiumin Zhang, and, Ming Ding. ,Extraction, of Tumuji Oil Sand with Sub- and ,Supercritical, …

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

1/8/2020, · For this reason, Khan et al. (2019) developed a new method of using, supercritical, water to treat oily sludge and recover crude oil. At a temperature of 400 °C, a pressure of 30 MPa, and a 16.7 wt% content of emulsion, the recovery rate of oil products was …

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 ...

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

As one of the petrochemical process major pollutants, ,treatment, of oil ,sludge, processing, at home and abroad, has been trying to study. Summary of development status and prospect research of oil ,sludge treatment, technology, combining characteristics of the ,oily sludge,, in …

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

23/4/2009, · 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.

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 below ground in a …

A review of the application of different treatment ...
A review of the application of different treatment ...

14/10/2020, · Oily ,sludge, contains high concentrations of total petroleum hydrocarbons and heavy metals, which seriously impact the environment and human health. How to dispose of and use the oily ,sludge, has attracted an increasing amount of attention. This study introduces harmless and resource-based oily ,sludge treatment, technologies. It summarizes the technologies from various aspects, such …

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

31/1/2019, · 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. Different solvents types are used in this work: light naphtha, heavy naphtha, kerosene, gasoline, and methyle ethyle keton.

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

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