Results 11 to 20 of about 373,352 (300)

Alternative green solvents in sample preparation

open access: yesGreen Analytical Chemistry, 2022
Sample treatment is one of the most contaminant steps in the analytical process, mainly due to the high consumption of energy and petrol-based organic solvents, which involve a high environmental impact. One of the most promising strategies to reduce the
Sergio Armenta   +3 more
doaj   +1 more source

Green solvents, potential alternatives for petroleum based products in food processing industries

open access: yesCleaner Chemical Engineering, 2022
Solvent extraction is used at the industrial scale for extraction of oil, flavouring and functional compounds from the source materials. Easy availability at lower price makes petroleum based solvents (e.g., hexane, petroleum ether, etc.) the preferred ...
Writdhama Prasad   +4 more
doaj   +1 more source

Evaluating Green Solvents for Bio-Oil Extraction: Advancements, Challenges, and Future Perspectives

open access: yesEnergies, 2023
The quest for sustainable and environmentally friendly fuel feedstocks has led to the exploration of green solvents for the extraction of bio-oil from various biomass sources.
Muhammad Usman   +3 more
doaj   +1 more source

Potential of choline chloride - based natural deep eutectic solvents (NaDES) in the extraction of microalgal metabolites [PDF]

open access: yes, 2017
In a typical chemical process, the solvents are widely used for the dissolution of the reagents, to favor the kinetics and the thermodynamics of a chemical reaction, for the extraction of products, for the separation of mixtures.
Bravi, Marco   +2 more
core   +1 more source

Green process for adipic acid synthesis: oxidation by hydrogen peroxide in water micromelusions using Benzalkonium Chloride C12-14 surfactant [PDF]

open access: yes, 2012
Adipic acid was synthesized by the oxidation of cyclohexene using 30% hydrogen peroxide in a microemulsion in the presence of sodium tungstate as catalyst.
Cognet, Patrick   +3 more
core   +3 more sources

Challenges in the development of bio-based solvents : A case study on methyl(2,2-dimethyl-1,3-dioxolan-4-yl)methyl carbonate as an alternative aprotic solvent [PDF]

open access: yes, 2017
Many traditional solvents have drawbacks including sustainability and toxicity issues. Legislations such as REACH is driving the move towards less hazardous chemicals and production processes.
Byrne, Fergal   +5 more
core   +1 more source

Reactivity of polar organometallic compounds in unconventional reaction media : challenges and opportunities [PDF]

open access: yes, 2015
Developing new green solvents in designing chemical products and processes or successfully employing the already existing ones is one of the key subjects in green chemistry and is especially important in organometallic chemistry, which is an ...
1   +211 more
core   +1 more source

Greener solvents for solid-phase synthesis [PDF]

open access: yes, 2017
The use of a variety of green solvents to swell a diverse range of resins used in solid-phase synthesis is investigated. Good swelling is shown to depend on the structure of the resin and the solvent.
Lawrenson, Stefan   +3 more
core   +1 more source

Are emerging deep eutectic solvents (DES) relevant for lipase-catalyzed lipophilizations? [PDF]

open access: yes, 2015
With the recent interest on green chemistry, the scientists have focused on developing new and more efficiient solvents to carry out enzymatic-catalyzed reactions with emphasis on reduced costs, risks and toxicity while improving biodegradability.
Durand, Erwann   +2 more
core   +2 more sources

Application of Biobased Solvents in Asymmetric Catalysis

open access: yesMolecules, 2022
The necessity of more sustainable conditions that follow the twelve principles of Green Chemistry have pushed researchers to the development of novel reagents, catalysts and solvents for greener asymmetric methodologies.
Margherita Miele   +4 more
doaj   +1 more source

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