Treatment of Sugarcane Bagasse Lignin Employing Atmospheric Pressure Microplasma Jet in Argon

Autor(es)

Amorim, Jayr ^[1] ; Oliveira, Carlos ^[1] ; Souza-Correa, Jorge A. ^[1] ; Ridenti, Marco A. ^[1]

Afiliação do(s) autor(es)

^[1] CNPEM, CTBE, Lab Nacl Ciencia & Tecnol Bioetanol, BR-13083970 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Plasma Processes and Polymers; v. 10, n. 8, p. 670-678, AUG 2013.
• Citações Web of Science: 28

Resumo

An atmospheric argon rf microplasma jet was employed to treat lignin samples. The treatment time was carried out from 30 min to 4h resulting in a strong degradation of the lignin structure. The most important degradation was observed in functional groups having asymmetric in-phase ring stretching as well as in C=C and C=O stretching vibrations. Simple calculations may help us explain the OH bond breakings by electron collisions inside the microplasma. In the afterglow conditions, it was not observed any change on the lignin spectra. (AU)

• Processo FAPESP: 08/58034-0 - Processing of sugarcane cellulose employing atmospheric pressure plasmas
• Beneficiário: Marco Aurelio Pinheiro Lima
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOEN - Temático