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

25/9/2020, · Extractable petroleum hydrocarbons (EPH) ,extraction,, clean-up, and separation of aliphatic and aromatic hydrocarbons of the recovered oil. The recovered oil (1 g) from the surfactant concentration effect experiment was added into a 22 ml glass vial with 10 ml of acetone:hexane (1:1, v/v) solution.

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

techniques, are used to treat the wastes removed from Superfund sites. These ,techniques, are identical to the ,techniques, described in Chapter 10 for biological treatment of used oils. ,Supercritical, water oxidation is well suited to the treatment of ,oily, wastewaters from abandoned tanks and …

A review of the interfacial stability mechanism of aging ...
A review of the interfacial stability mechanism of aging ...

Oily sludge, is a multiform oil–water–solid mixture, which contains a large amount of aged crude oil, inorganic particles, heavy metal salts, benzenes, phenols, anthracene, pyrene, and other toxic substances. In addition, it includes added coagulants, corrosion inhibitors, and other water treatment agents (Xu et …

Stanford University
Stanford University

UNK the , . of and in " a to was is ) ( for as on by he with 's that at from his it an were are which this also be has or : had first one their its new after but who not they have – ; her she ' two been other when there all % during into school time may years more most only over city some world would where later up such used many can state about national out known university united then made ...

US4842715A - Novel technique for rendering oily sludges ...
US4842715A - Novel technique for rendering oily sludges ...

A process is disclosed for separating an organic material from a composition comprising said organic material intermixed with particulate solids, the process comprising advancing a light hydrocarbon fluid through said particulate solids at an effective rate to drive at least some of said organic material from said particulate solids, adding water to said composition containing particulate ...

Handbook of African Medicinal Plants
Handbook of African Medicinal Plants

With over 50,000 distinct species in sub-Saharan Africa alone, the African continent is endowed with an enormous wealth of plant resources. While more than 25 percent of known species have been used for several centuries in traditional African medicine for the prevention and treatment of diseases, Africa remains a minor player in the global natural products market largely due to lack of ...

Latest Products
Latest Products

http://www.cleanmakeproducts.com/belt-type-oil-skimmer.htm http://www.cleanmakeproducts.com/belt-type-oil-skimmer.htm Thu, 06 Apr 2017 00:00:00 +0530 Oil Skimmers for ...

Supercritical Carbon Dioxide Extraction of Lignocellulosic ...
Supercritical Carbon Dioxide Extraction of Lignocellulosic ...

The separation of lignocellulosic bio-oils using ,supercritical, carbon dioxide (sCO2) as a solvent is a promising environmentally benign process that can play a key role in the design of innovative processes for their valorization. In the last decade, fundamental research has provided knowledge on ,supercritical extraction, of bio-oils.

Ecotoxicity of oil sludges and residuals from their ...
Ecotoxicity of oil sludges and residuals from their ...

Briefly, the oil ,sludge, (5 g), surfactant [5:1 ratio to oil ,sludge, and at 5CMC, critical micelle concentration; the highest ratio and concentration used in previous oil recovery studies with these oil sludges samples (Ramirez and Collins 2018; Ramirez et al. 2020)], and cyclohexane (1:1 ratio to oil ,sludge,…

Examples of Application of Solvent Extraction Techniques ...
Examples of Application of Solvent Extraction Techniques ...

Chapter 5 ,Examples, of Application of Solvent ,Extraction Techniques, in Chemical,, Radiochemical,, Biochemical,, Pharmaceutical,, Analytical Separations, and Wastewater Treatment 1. Introduction XXX 2. ,Extraction, in Hydrometallurgy (Metals ,Extraction,) XXX 2.1. …

Novel technique for rendering oily sludges environmentally ...
Novel technique for rendering oily sludges environmentally ...

The procedure of Example 3 was followed except that 2 g of ,sludge, and 1 g of H 2 O were utilized. The reaction proceeded for 1 hour. The TOC removed was 97.6% . EXAMPLE 5. The procedure of Example 3 was followed except that 1.99 g of ,sludge,, 0.99 g of H 2 O …

Frontiers | Biosurfactants: Promising Molecules for ...
Frontiers | Biosurfactants: Promising Molecules for ...

In India, about 28,000 tons of ,oily sludge, are generated by the refineries industries per annum (Joseph and Joseph, 2009). ,Oily sludge, is a complex emulsion of various ,petroleum, hydrocarbons containing solid particles, water and heavy metals that effective treatment methods have become a highly sought after technology attracting widespread attention ( Hu et al., 2013 ).

Rapid extraction of total lipids and lipophilic POPs from ...
Rapid extraction of total lipids and lipophilic POPs from ...

18/9/2020, · Accelerated solvent ,extraction, (ASE) , or pressurized liquid ,extraction, (PLE), combines elevated pressures and temperatures above the boiling point with smaller amounts (10–50 mL per sample ) of the same solvents or mixtures that are commonly used for standard liquid ,extraction techniques, (Soxhlet or Twisselmann), such as dichloromethane–hexane , …

Sub- and supercritical fluid technology applied to food ...
Sub- and supercritical fluid technology applied to food ...

1/1/2015, · ,Examples, of, supercritical fluid processing, of residues from vegetables, meat, biomass, and other products are given., Supercritical processing, of food wastes can be intensified by auxiliary techniques. The integration of, supercritical fluid processes, with other clean technologies should improve the food waste recovery.

Supercritical Carbon Dioxide Extraction of Lignocellulosic ...
Supercritical Carbon Dioxide Extraction of Lignocellulosic ...

Examples are coffee and tea decaffeination and the, extraction, of essential oils from plant feedstocks [113]. Such extractions from solid material are typically performed as batch

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