Stabilnost hidroksimetilfurfurala v vodi in različnih organskih topilih ter njegova pretvorba do levulinske kisline

diplomsko delo

Matej Hozjan (Author), Blaž Likozar (Mentor)

Abstract

Vedno več je povpraševanja po HMF-ju, saj je to ena izmed spojin, ki predstavlja velik pomen pri iskanju alternativnih virov energije. HMF je možno pretvoriti v nekaj zelo pomembnih kemikalij visokih vrednosti. Ena izmed teh je tudi levulinska kislina, ki se uporablja v različne namene, vendar je pretvorba HMF-ja do kisline zelo nizko donosna, proizvodni stroški pa so ogromni. Cilj je bil raziskati stabilnost HMF-ja v različnih topilih, relevantnih predvsem za njegovo sintezo in čimbolj optimalno nadaljnjo pretvorbo, saj bi tako zmanjšali število organskih odpadkov v laboratorijih oziroma industrijskih proizvodnjah in s tem omogočili boljši celokupni izkoristek stranskih produktov. Prišel sem do ugotovitve, da je HMF-najbolj stabilen v vodi in ima najbolj učinkovito pretvorbo z katalizatorjem H-beta zeolitom.

Keywords

5-hidroksimetilfurfural;HMF;levulinska kislina;katalizator;šaržni reaktor;diplomska dela;

Data

Language:	Slovenian
Year of publishing:	2022
Typology:	2.11 - Undergraduate Thesis
Organization:	UL FKKT - Faculty of Chemistry and Chemical Technology
Publisher:	[M. Hozjan]
UDC:	661.7(043.2)
COBISS:	127203331
Views:	37
Downloads:	11
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	English
Secondary title:	Stability of hydroxymethylfurfural in water and various organic solvents and its conversion towards levulinic acid
Secondary abstract:	There is a growing demand for HMF, as it is one of the compounds that is of great importance in the search for alternative energy sources. HMF can be converted into some very important high value chemicals, one of which is levulinic acid, which is used for a variety of purposes, but the conversion of HMF to acid is very low yielding and the production costs are enormous. The aim was to investigate the stability of HMF in different solvents, mainly relevant for its synthesis and to optimise its further conversion, as this would reduce the organic waste in laboratories or industrial production and thus allow a better overall recovery of the by-products. I came to the conclusion that HMF is most stable in water and has the most efficient conversion with the catalyst H-beta zeolite.
Secondary keywords:	5-hydroxymethylfurfural;levulinic acid;catalysis;Univerzitetna in visokošolska dela;
Type (COBISS):	Bachelor thesis/paper
Study programme:	1000372
Embargo end date (OpenAIRE):	1970-01-01
Thesis comment:	Univ. v Ljubljani, Fak. za kemijo in kemijsko tehnologijo, UNI Kemijsko inženirstvo
Pages:	32 str.
ID:	16391577