subcritical water (SCW)
Catalytic depolymerization of alkali lignin in subcritical water: Influence of formic acid and Pd/C catalyst on the yields of liquid monomeric aromatic products
... On the other hand, the presence of Pd/C led to complete conversion of FA even at zero minute reaction time. The results in Table 1 also show that yields of gases in the presence of Pd/C at 0 min, 1 h and 3 h reaction ...
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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 lipid ...
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Application of the eco-friendly subcritical water oxidation method in the degradation of epichlorohydrin
... (Received 8 December 2018; revised and accepted 4 April 2019) Abstract: Degradation of epichlorohydrin was investigated using subcritical water oxidation method in the presence of hydrogen peroxide. ...
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Mass Spectrometry Study of Non Covalent Complexes of Bioflavonoids with Cyclotriveratrylene Synthesized in Subcritical Water
... in mass spectra were much smaller then that for samples obtained in subcritical water medium at temperature from 120˚C to 190˚C. Thus, as a result of mass-spectrometric studies have shown that mono-, di- ...
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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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Subcritical Water Extraction of Essential Oils from Matricaria Chamomilla L.
... and subcritical water extraction (SWE) ...of water as an extractant, at temperatures between 100 and 374 o C and pressure high enough to maintain ...
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Analysis of polychlorinated biphenyls in sewage sludge using supercritical carbon dioxide and subcritical water extraction
... As municipal sewage sludge and waste has became a major issue in Malaysia, proactive action has to be taken to either dispose or recycle it safely. To determine the organic toxicity of sludge, soxhlet extraction ...
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Pharmacological modulation of histone demethylase activity by a small molecule isolated from subcritical water extracts of Sasa senanensis leaves prolongs the lifespan of Drosophila melanogaster
... To identify the active small-molecule present in S. senanensis leaves, we prepared subcritical water extracts at 280°C and 10 MPa, and fractionated them by reversed- phase high-performance liquid ...
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Enhanced methane and hydrogen yields from catalytic supercritical water gasification of pine wood sawdust via pre-processing in subcritical water
... supercritical water gasification of wood sawdust as a real ...different subcritical water media on the products of its ...in subcritical water and with the addition of niobium pentoxide ...
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Subcritical Water Extraction of Bioactive Compounds from Ginger (Zingiber officinale Roscoe)
... hot water extraction is an environmentally-safe method that is generally applied for medicinal plants ...extraction. Subcritical water refers to water in liquid state at condition between ...
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Subcritical Water and Chemical Pretreatments of Cotton Stalk for the Production of Ethanol
... the subcritical water pretreatment to find an optimum as the temperatures and times appeared to miss the optimum in the current ...the subcritical water treated samples could also be also be ...
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Application of Subcritical Water for Production of ZnO Nano-Catalyst
... A great deal of attention is being paid to metal oxide nano-particles of 1-10 nm in diameter. They are of interest in several fields ranging from material science and catalysis to biology. Their behavior is strongly ...
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Temperature effects on diffusion coefficient for 6-gingerol and 6-shogaol in subcritical water extraction
... correlated to the diffusion coefficient. Since the studies of diffusivity in subcritical water extraction is still rare, the diffusivity model ignored the external mass transfer resistance. In future, the ...
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Decomposition behavior of cellulose in supercritical water, subcritical water, and their combined treatments
... supercritical water (400°C, 40 MPa) and subcritical water (280°C, 40 MPa) treatments was made to elucidate the difference in their decomposition ...supercritical water treatment was found to ...
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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 (SPE) or any other techniques ...
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Application of Subcritical Water to Dechlorinate Polyvinyl Chloride Electric Wires
... dechlorination efficiency of subcritical water treatment on PVC electric wire waste; (2) to identify the 60.. pollutants present in the water after the treatment; (3) to study the therm[r] ...
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Extraction of Bioactive Compounds from Mango Peels Using Green Technology - Volume 4 Number 4 (Aug. 2013) - IJCEA
... Recently, Subcritical water extraction (SCW) has become an increasing alternative technology in the extraction of phenolic ...compounds. Subcritical water, also called pressurized (hot ...
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Improving Oxidative Stability of Polyphenolic Fraction of Apple Pomace by Encapsulation Using Naturally Occurring Polymers
... micronised subcritical water extract in humid environment was approximately twice that of the spray dried powder HP β -Cyclodextrins complexed with SCW ...
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Non-Catalytic and MgSO4 - Catalyst based Degradation of Glycerol in Subcritical and Supercritical Water Media
... Abstract This research aims to study the glycerol degradation reaction in subcritical and supercritical water media. The degradation of glycerol into other products was performed both with sulphate salt ...
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Green technology: Economically and environmentally innovative methods for extraction of medicinal & aromatic plants (MAP) in Egypt
... Extraction process forms the first basic step in medicinal plant research because the preparation of crude extracts from plants is the starting point for the isolation and purification of chemical constituents present in ...
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