Subcritical Water Extraction
Subcritical water extraction with compacted natural calcium carbonate column for the extraction of natural products
... The subcritical water extraction (SWE) has many advantages when compared with other extraction techniques such as supercritical fluid extraction (SFE) or solid phase extraction ...
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Temperature effects on diffusion coefficient for 6-gingerol and 6-shogaol in subcritical water extraction
... Subcritical water extraction (SWE) is an alternative method on extraction the plant for pharmaceutical proposes since this method deals with the usage of water ...of water ...
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Total Phenolic Content, Total Flavonoid Content and Radical Scavenging Activity from Zingiber zerumbet Rhizome using Subcritical Water Extraction
... Subcritical water extraction (SWE) is an alternative technique implemented water as a ...Soxhlet extraction using ethanol was used for a comparison ...min extraction, with the ...
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Subcritical Water Extraction of Essential Oils from Matricaria Chamomilla L.
... solvent extraction or by more advanced methods such as supercritical fluid extraction and subcritical water extraction (SWE) ...of water as an extractant, at temperatures between ...
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Subcritical Water Extraction of Bioactive Compounds from Ginger (Zingiber officinale Roscoe)
... Ginger is one of the commonly used spices that has been exhibited to have pharmaceutical activities. These therapeutic properties are mainly attribute to gingerols and shogaols. To extract these bioactive compounds, ...
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Analysis of polychlorinated biphenyls in sewage sludge using supercritical carbon dioxide and subcritical water extraction
... While it encourages the usage of sewage sludge, the EU Directive 86/278/EEC regulates its use to prevent harm to the environment, particularly on soil. Table 1.2 shows limit values for concentrations of organic compounds ...
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Extraction of Bioactive Compounds from Mango Peels Using Green Technology - Volume 4 Number 4 (Aug. 2013) - IJCEA
... Subcritical water extraction (SCW extraction) was carried out in a laboratory-built equipment (50 ml volume of vessel) immersed in oil ...SCW extraction was conducted at various ...
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Improving Oxidative Stability of Polyphenolic Fraction of Apple Pomace by Encapsulation Using Naturally Occurring Polymers
... from subcritical water extraction of apple pomace were assessed for encapsu- lation by spray drying technique, making use of polymeric substances co-extracted with the polyphenolic ...encapsulated ...
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Green technology: Economically and environmentally innovative methods for extraction of medicinal & aromatic plants (MAP) in Egypt
... the extraction step remains often a neglected area, which over the years has received much less attention and ...of extraction and processing of herbs and medicinal plants such as solid liquid ...
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Optimizing the Impact of Subcritical Water Mediated Extraction on Lipid composition of Activated Sludge for Bioenergy and Oleochemical Production
... The studies revealed that the interaction of temperature, biomass loading and extraction time during the subcritical water extraction of lipid from activated sludge influenced positively the ...
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Non-Catalytic and MgSO4 - Catalyst based Degradation of Glycerol in Subcritical and Supercritical Water Media
... The reactant was made from glycerol and water in mass ratio 1:10. To remove the gases in this solution it was carried out by degassing (heating solution to boiling) for a few moment. Futhermore, as many as 10 ml ...
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Supercritical Technologies for the Valorization of Wine Industry By-Products
... The experimental extraction data were modeled through the BIC model by Sovová [4]. Through best fitting procedures, the internal and external mass transfer parameters as well as the free oil content were ...
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Application of Subcritical Water Hydrolysate from Thermosetting Polyester Resin to Aqueous Agents
... the UP to form a styrene bridge and three dimensional resin matrix during curing process. It is called thermosetting polyester resin. The thermosetting polyester resin was hydrolized at 230 °C, 2.8 MPa, 4 hours using ...
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Cellulose hydrogenolysis with the use of the catalysts supported on hypercrosslinked polystyrene
... HPS (MN-270, MN-100, or MN-500) was impregnated according to moisture absorption capacity with the solution of the calculated amount of ruthenium (IV) hydroxochloride in a complex solvent consisting of tetrahydrofuran, ...
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Optimization of extraction methods for natural pigment from Lawsonia inermis
... Enzyme-assisted extraction involves the use of enzymes such as pectinase, cellulase, pancreatin, and ...the extraction is from the plant source cellulase can be used, from the fruit or other plant body ...
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Application of the eco-friendly subcritical water oxidation method in the degradation of epichlorohydrin
... EPC. Subcritical water oxidation depends on the oxidation of organic compounds in the aqueous phase at a high temperature (373–647 K) and high enough pressure to keep water in the liquid ...
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Multiple solutions for biharmonic equations with improved subcritical polynomial growth and subcritical exponential growth
... Remark . Indeed, in this case we have already obtained two nontrivial solutions for problem () in [] via the mountain pass theorem and a truncated technique... We omit the proof.[r] ...
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Simulation of an Accelerator Driven Subcritical Core with Mixed Uranium Thorium Fuel
... During recent years, a new generation of nuclear reactors, known as “Accelerator Driven Subcrit- ical Reactors”, has been developed. One of the new application aspects for such reactors (besides transmutation of High ...
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Characterization of hydrochars produced by hydrothermal carbonization of rice husk
... the range of 2–16 h. The carbon contents of the products increased with temperature, whereas the hydrogen and oxygen contents decreased. The surface area was low for all hydrochars, indicating that porous structure was ...
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Mass Spectrometry Study of Non Covalent Complexes of Bioflavonoids with Cyclotriveratrylene Synthesized in Subcritical Water
... complexes. Intracavity type complexes have been re- cently obtained for unusual guest molecules such as neu- tral fullerenes, carboranes and charged organometallic sandwich complexes [5]. Electrospray ionisation mass ...
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