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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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(PDF) Pressurized hot water extraction of benzoic acid and ...
(PDF) Pressurized hot water extraction of benzoic acid and ...

Pressurized hot water ,extraction, of benzoic acid and ,phthalic anhydride from petrochemical wastes using, a ,modified supercritical fluid extractor and, a central ...

Supercritical Extraction Processes - Markit
Supercritical Extraction Processes - Markit

SUPERCRITICAL, EXTRACTlON PROCESSES ..... 9-10 Donor-Solvent ,Supercritical Extraction, Process (DSSE) ..... 9-13 Critical Solvent Deashing (CSD) or ROSE-SR Process ..... 9-13 ECONOMICS ..... 9-l 3

"Extraction of algae oil in supercritical co2 using a ...

The use of a soybean surfactant in ,supercritical, fluid matrix has been examined for recovering oil from microalgae (Chlorella pyrenoidosa). Soybean lecithin was first purified with acetone and ethanol and later acetylated with acetic ,anhydride, to produce a mixture of acetylated products. Then, N-Acetylated phosphatidylethanolamine (PE) was separated with acetone and further purified by column ...

EXTRACTION OF GARLIC WITH SUPERCRITICAL CO AND ...
EXTRACTION OF GARLIC WITH SUPERCRITICAL CO AND ...

and “premium” garlic extracts in terms of yield and quality, with the latter being obtained using ,supercritical, carbon dioxide (SC-CO2) as the solvent. Yield ranged between 0.65 and 1.0% and increased with ,extraction, pressure (150-400 bar) at a constant temperature of 50°C. ,Extraction, temperature (35-60°C), on the other

(PDF) Evaluation of supercritical fluid extraction ...
(PDF) Evaluation of supercritical fluid extraction ...

Supercritical fluid ,extraction Extraction, using an ultrasonic probe (Braun-Sonic SFE experiments were performed on a Hewlett- U 2000, 175 W) was performed using 2.5 g portions Packard 7680T supercritical fluid extractor (Hewlett- of soil.

SUPERCRITICAL EXTRACTION OF USED AUTOMOTIVE TIRE …
SUPERCRITICAL EXTRACTION OF USED AUTOMOTIVE TIRE …

Supercritical extraction,, which has been popular in the food processing industry, is recently gaining atten- ... magnesiumperchlorate ,anhydride,. Average molecular weights of the oil extracted were measured by a vapor pressure osmometer, Hitachi model 115, using benzene solvent and benzil as a

EXTRACTION OF GARLIC WITH SUPERCRITICAL CO AND ...
EXTRACTION OF GARLIC WITH SUPERCRITICAL CO AND ...

Extraction, of Garlic with Supercritical CO 2 537 ... phase was dried using analytic-grade ,anhydride, sodium sulphate, filtered, rotary-evaporated to dryness at room temperature under …

Solubility of Maleic Acid in Supercritical Carbon Dioxide ...
Solubility of Maleic Acid in Supercritical Carbon Dioxide ...

Supercritical CO2 ,extraction, of phthalic ,anhydride,, benzoic acid and maleic acid from petrochemical wastes. The Journal of Supercritical Fluids 2013 , 74 , 46-51. https://doi.org/10.1016/j.supflu.2012.10.014

"Supercritical Fluid Extraction of Valuable Chemicals" by ...

The SFE ,extraction, results showed that a maximum of 90 % of caffeine was extracted from this pyrolysis oil using 10% EtOH/90% CO2 at 35.2 MPa, 333 K and 1 mL/min at ,extraction, time of 20 min. Later, purification of 99.9 % of caffeine was attainable from the extract stream by ,supercritical, fluid chromatography at 14.5 MPa, 333 K and 2 mL/min, using 10-30% ethanol gradient as a co-solvent in CO2.

Ternary Copolymerization of Supercritical CO2 Propylene ...
Ternary Copolymerization of Supercritical CO2 Propylene ...

Huaan ,Supercritical Extraction, Co. Ltd created the primary devices for ,supercritical, fluid reaction, as shown in Fig. undesired reactions at higher temperature (loss of 1. A certain amount of loaded molecular sieve catalyst, activated epoxy propane and maleic ,anhydride,, were put …

Supercritical Fluid Extraction
Supercritical Fluid Extraction

There has been growing interest in ,supercritical, Suid ,extraction, (SFE) in the past few years due to its numerous advantages over liquid ,extraction, (rapid- ... acetic ,anhydride,, in the presence of organic bases such as pyridine) and silylation (with hexamethyl-

Behavior of an Organic Solvent Drop During the ...
Behavior of an Organic Solvent Drop During the ...

This process, denominated supercritical fluid extraction of emulsions (SFEE),9 consists in extracting the organic solvent from the droplets of an oil-in-water emulsion by using super-critical carbon dioxide. If a solute is dissolved in the organic solvent, the extraction causes the precipitation of the solute.

Supercritical Fluid Extraction
Supercritical Fluid Extraction

There has been growing interest in ,supercritical, Suid ,extraction, (SFE) in the past few years due to its numerous advantages over liquid ,extraction, (rapid- ... acetic ,anhydride,, in the presence of organic bases such as pyridine) and silylation (with hexamethyl-

Solubility of Maleic Acid in Supercritical Carbon Dioxide ...
Solubility of Maleic Acid in Supercritical Carbon Dioxide ...

Supercritical CO2 extraction of phthalic anhydride, benzoic acid and maleic acid from petrochemical wastes. The Journal of Supercritical Fluids 2013 , 74 , 46-51. https://doi.org/10.1016/j.supflu.2012.10.014

SUPERCRITICAL EXTRACTION OF USED AUTOMOTIVE TIRE WITH …
SUPERCRITICAL EXTRACTION OF USED AUTOMOTIVE TIRE WITH …

Supercritical ,extraction,, which has been popular in the food processing industry, is recently gaining atten- ... magnesiumperchlorate ,anhydride,. Average molecular weights of the oil extracted were measured by a vapor pressure osmometer, Hitachi model 115, using benzene solvent and benzil as a

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