Naslov
Green chemistry - green solvent

Autori
Đambić, Kristina ; Prokopec, Doris ; Gašo-Sokač, Dajana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
2nd International Student GREEN Conference - Book of Abstracts / Habuda-Stanić ; Mirna - Osijek : Prehrambeno tehnološki fakultet Sveučilišta Josipa Jurja Strossmayera u Osijeku, 2022, 103-104

ISBN
978-953-7005-91-7

Skup
2. međunarodna studentska GREEN konferencija = 2nd International Students’ GREEN Conference (ISC GREEN 2022)

Mjesto i datum
Osijek, Hrvatska, 02.06.2022. - 03.06.2022

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
green chemistry ; green solvents ; ionic liquids ; eutectic solvents

Sažetak
According to the U.S. Environmental Protection Agency (EPA) definition, green chemistry is defined as chemistry that is aimed at designing products and processes that minimize or eliminate the use and production of harmful substances. The green chemistry program developed alternatives to harmful organic solvents – the so-called green solvents. The most potential in studies showed ionic liquids and eutectic solvents. Ionic liquids are salts made of organic cations (variously substituted) and corresponding anions which are in a liquid aggregate state in view of the extreme size and asymmetricality of ions. Green alternatives are preferred due to their many advantages such as extreme stability, low volatility, non-flammability, low melting points (below 100°C), low toxicity and high ability to dissolve various compounds. Eutectic solvents (Deep Eutectic Solvents, DES) are a mixture of two or more components in a solid or liquid state, which in a certain proportion have a lower melting point than individual components of the mixture. For the preparation of these solvents, inexpensive, safe, non-toxic and biodegradable substances are used, prone to the formation of hydrogen bonds, and during the process of preparation of solvents, the formation of by- products and waste does not occur. Most often, eutectic solvents are obtained by mixing quaternary ammonium salt with a metal salt or another hydrogen donor, which has the ability to create a complex with a halogenide ion of a quaternary ammonium salt. These solvents also stand out as designed solvents, due to the wide range of compounds for their preparation, accordingly, it is possible to configure their physicochemical properties.

Izvorni jezik
Hrvatski

Znanstvena područja
Kemija

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