Production of new activated bio‐carbons by chemical activation of residue left after supercritical extraction of hops
Sign Up to like & getrecommendations! Published in 2018 at "Environmental Research"
DOI: 10.1016/j.envres.2017.11.041
Abstract: ABSTRACT A technology of activated bio‐carbons production from the residue left after supercritical extraction of hops is described. The effect of the variant of chemical activation and impregnation ratio on the physicochemical properties as well… read more here.
Keywords: left supercritical; supercritical extraction; activated bio; bio carbons ... See more keywords
Control of methyl oleate supercritical extraction using input shaping
Sign Up to like & getrecommendations! Published in 2018 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2018.03.008
Abstract: Abstract Supercritical extraction is the utilization of a fluid operating above its critical temperature and pressure as a solvent to remove certain compounds from a mixture. It is an innovative technology for which there are… read more here.
Keywords: extraction; control; supercritical extraction; using input ... See more keywords
Supercritical extraction with carbon dioxide and co-solvent from Leptocarpha rivularis
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Research on Medicinal and Aromatic Plants"
DOI: 10.1016/j.jarmap.2019.100210
Abstract: Abstract The aim of this work was to investigate the effect of temperature (40–60 °C), pressure (10–20 MPa) and co-solvent concentration (0–2 wt.%) on extraction yield from L. rivularis leaves using ethanol-modified supercritical carbon dioxide. Extraction assays were… read more here.
Keywords: carbon dioxide; supercritical extraction; extraction; extraction carbon ... See more keywords
A new rapid and economical one-step method for preparing SiO2 aerogels using supercritical extraction
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DOI: 10.1016/j.powtec.2017.01.067
Abstract: Abstract Monolithic silica aerogels (SiO 2 ) are prepared using the tetraethylorthosilicate (TEOS) as precursor via a rapid supercritical extraction method (RSCE). The effect of heat treatment on the textural and physical characteristics of RSCE-samples… read more here.
Keywords: extraction; rsce; supercritical extraction; method ... See more keywords
Conventional and supercritical extraction of phenolic compounds from Brazilian red and green propolis
Sign Up to like & getrecommendations! Published in 2020 at "Separation Science and Technology"
DOI: 10.1080/01496395.2020.1731755
Abstract: ABSTRACT The extracts of green propolis and red propolis from Brazil were evaluated. The extracts were obtained by extraction with ethanol, methanol, water, hexane (soxhlet) and supercritical CO2 at 50ºC/300 bar. Fractionation of the red… read more here.
Keywords: green propolis; extraction; red propolis; conventional supercritical ... See more keywords
Chemical characterization and biological activity of six different extracts of propolis through conventional methods and supercritical extraction
Sign Up to like & getrecommendations! Published in 2018 at "PLoS ONE"
DOI: 10.1371/journal.pone.0207676
Abstract: Propolis is a natural product with many demonstrated biological activities and propolis extract has been used in the food, pharmaceutical and cosmetics industries. Different works have showed the variations in the chemical composition, and consequently,… read more here.
Keywords: biological activity; extraction; antioxidants compounds; supercritical extraction ... See more keywords
Adsorption capacity of biocarbons from residue of supercritical extraction of raw plants
Sign Up to like & getrecommendations! Published in 2023 at "Pure and Applied Chemistry"
DOI: 10.1515/pac-2023-0104
Abstract: Abstract Bioadsorbents prepared by chemical activation (H3PO4) of the residue of supercritical extraction of green tea leaves and marigold flowers were characterized by elemental analysis, Boehm titration, adsorption/desorption isotherm and scanning electron microscopy (SEM). The… read more here.
Keywords: adsorption; supercritical extraction; residue supercritical; capacity ... See more keywords
Efficacy of Water-Soluble Pearl Powder Components Extracted by a CO2 Supercritical Extraction System in Promoting Wound Healing
Sign Up to like & getrecommendations! Published in 2021 at "Materials"
DOI: 10.3390/ma14164458
Abstract: Pearl powder is a biologically active substance that is widely used in traditional medicine, skin repair and maintenance. The traditional industrial extraction processes of pearl powder are mainly based on water, acid or enzyme extraction… read more here.
Keywords: wound healing; extraction; pearl powder; supercritical extraction ... See more keywords
Removal of Organic Dyes from Aqueous Solutions by Activated Carbons Prepared from Residue of Supercritical Extraction of Marigold
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15103655
Abstract: In the present work, we reported on the efficiency of the removal of organic dyes by adsorption on activated carbons prepared from the residue of supercritical extraction of marigold. The performance of adsorbents prepared was… read more here.
Keywords: adsorption; supercritical extraction; residue supercritical; organic dyes ... See more keywords