Results 11 to 20 of about 4,932 (159)

A Review: Subcritical Water Extraction of Organic Pollutants from Environmental Matrices [PDF]

open access: yesMolecules
Most organic pollutants are serious environmental concerns globally due to their resistance to biological, chemical, and photolytic degradation. The vast array of uses of organic compounds in daily life causes a massive annual release of these substances
Erdal Yabalak   +3 more
doaj   +2 more sources

Research Progress on Extraction and Modification of Polysaccharide by Subcritical Water

open access: yesShipin gongye ke-ji, 2023
Polysaccharides are important natural products exhibiting many biological functions, such as antioxidant, anti-inflammatory and anti-tumor activities. They are widely used in food and pharmaceutical industries.
Bingjie YANG   +3 more
doaj   +1 more source

Subcritical Water Extracts from Agaricus blazei Murrill’s Mycelium Inhibit the Expression of Immune Checkpoint Molecules and Axl Receptor

open access: yesJournal of Fungi, 2021
Agaricus blazei Murrill or Himematsutake is an edible and medicinal mushroom. Agaricus blazei Murrill’s fruiting body extracts have anticancer properties, although the mechanism is unknown. Basic or organic solvents, which are hazardous for human health,
Taro Yasuma   +5 more
doaj   +1 more source

Subcritical crack propagation in glacial quarrying during subglacial water pressure variation

open access: yesJournal of Glaciology, 2023
Glacial quarrying stems from the fracturing of subglacial bedrock. Much evidence shows that subcritical crack propagation of bedrock is closely related to subglacial water pressure fluctuations.
Lin Li, Yipeng Huang, Ningchuan Su
doaj   +1 more source

Physicochemical characteristics of chitosan from swimming crab (Portunus trituberculatus) shells prepared by subcritical water pretreatment

open access: yesScientific Reports, 2021
The physicochemical properties of chitosan obtained from the shells of swimming crab (Portunus trituberculatus) and prepared via subcritical water pretreatment were examined.
Gengxin Hao   +6 more
doaj   +1 more source

Subcritical Water Chromatography with Electrochemical Detection [PDF]

open access: yesMolecules, 2017
Reverse phase liquid chromatography (RPLC) is a commonly used separation and analysis technique. RPLC typically employs mixtures of organic solvents and water or aqueous buffers as the mobile phase. With RPLC being used on a global scale, enormous quantities of organic solvents are consumed every day. In addition to the purchasing cost of the hazardous
Anderson, Heather, Yang, Yu
openaire   +2 more sources

Subcritical and supercritical fluid extraction of heavy metals from sand and sewage sludge [PDF]

open access: yesJournal of the Serbian Chemical Society, 2013
Demetalization of Pb, Ni, Zn, Cu and Cr heavy metal ions from sea sand and real samples of sewage sludge by subcritical water and supercritical carbon dioxide was investigated.
Yabalak Erdal, Gizir Murat Ahmet
doaj   +1 more source

Enhancing the Efficacy of the Subcritical Water-Based Alkali Lignin Depolymerization by Optimizing the Reaction Conditions and Using Heterogeneous Catalysts

open access: yesBiomass, 2022
The catalytic depolymerization of alkali lignin into phenolic monomers was studied using subcritical water. In this study, subcritical water was used as the greener solvent with heterogeneous catalysts.
Balawanthrao Jadhav   +7 more
doaj   +1 more source

Research on Technical Route Optimization and Energy-saving Characteristics of High-temperature Subcritical Retrofit [PDF]

open access: yesE3S Web of Conferences, 2021
In order to further reduce the power supply coal consumption rate for 300MW subcritical units, this paper will conduct a comprehensive analysis to improve the main steam and reheat steam parameters of those units based on the basic principles of ...
Wu He An, Zhong Feng Wei, Li Y.
doaj   +1 more source

Applications of subcritical and supercritical water conditions for extraction, hydrolysis, gasification, and carbonization of biomass: a critical review [PDF]

open access: yesBiofuel Research Journal, 2017
This review summarizes the recent essential aspects of subcritical and supercritical water technology applied tothe extraction, hydrolysis, carbonization, and gasification processes.
D. Lachos-Perez   +6 more
doaj   +1 more source

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