2013
DOI: 10.4322/sc.2013.006
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Caracterizaçãodefenóisnobio-óleodapirólisedecaroço de pêssego por GC/MS e GC×GC/TOFMS

Abstract: ResumoNeste trabalho analisou-se o bio-óleo produzido pela pirólise de caroços de pêssego usando 1D-GC/qMS (cromatografia gasosa monodimensional acoplada a espectrometria de massa quadrupolar) e GC×GC/ TOFMS (cromatografia gasosa bidimensional abrangente acoplada a espectrometria de massa por tempo de voo). Por 1D-GC/qMS foram identificados tentativamente 51 compostos e, por CG×GC/TOFMS, 207 compostos. As classes identificadas em ambas as técnicas foram alcoóis, aldeídos, anidridos, cetonas, ésteres, éteres e … Show more

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Cited by 9 publications
(6 citation statements)
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“…After a decantation, 15.89 ± 1.61 wt % of bio-oil and 25.09 ± 2.53 wt % of aqueous phase were obtained. The yield of crude bio-oil from waste tobacco seed was considered high when compared to the yields of other studies using different biomasses. ,, …”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…After a decantation, 15.89 ± 1.61 wt % of bio-oil and 25.09 ± 2.53 wt % of aqueous phase were obtained. The yield of crude bio-oil from waste tobacco seed was considered high when compared to the yields of other studies using different biomasses. ,, …”
Section: Resultsmentioning
confidence: 99%
“…The yield of crude bio-oil from waste tobacco seed was considered high when compared to the yields of other studies using different biomasses. 3,33,41 After the acid−alkaline extraction was performed, 3.40 ± 0.81 wt % of N-compounds and 42.70 ± 6.45 wt % of acid fraction were obtained. The overall losses were very high (54%), which is the result of losses in the decantation funnel.…”
Section: Yields Of Pyrolysis and Liquid Extraction On N-mentioning
confidence: 99%
“…Na pirólise rápida, os fenóis são majoritários tanto em área (aproximadamente 60%) como em número (37,3% dos compostos identificados) (Figura 2), estando de acordo com pesquisas realizadas com caroço e polpa de pêssego (ÖZBAY et al, 2008;MIGLIORINI et al, 2013). A presença desses compostos ocorre pelo teor de lignina e celulose presente na biomassa utilizada, pois materiais lenhosos como o CP quando submetidos à termoconversão são degradados em cetonas, álcoois, derivados de furano e pireno, podendo ser convertidos em compostos fenólicos (SOUZA; RÉ-POPPI; RAPOSO JR., 2012).…”
Section: Influência Dos Processos Pirolíticosunclassified
“…Esses são prováveis dado o produto de decomposição da hemicelulose que compõe o CP. Os compostos identificados derivados da despolimerização e da fragmentação de celulose, hemicelulose e lignina possuem interesse para as indústrias de fármacos, polímeros, surfactantes, pigmentos e resinas (LU et al, 2011;MIGLIORINI et al, 2013).…”
Section: Referênciasunclassified
“…These compounds are widely employed in the production of phenolic resins [31]. They also have antioxidant and antimicrobial properties that inhibit the proliferation of microorganisms, corrosion and deposits when added to diesel fuel formulations and/or biodiesel for use in engines (use of biomass-derived compounds) [32,33].…”
Section: Page 3 Ofmentioning
confidence: 99%