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Titolo:
Photocatalyzed degradation of lignin on TiO2
Autore:
Tanaka, K; Calanag, RCR; Hisanaga, T;
Indirizzi:
Natl Inst Mat & Chem Res, Tsukuba, Ibaraki, Japan Natl Inst Mat & Chem Res Tsukuba Ibaraki Japan , Tsukuba, Ibaraki, Japan Philippineila,t Res Inst, Dept Sci & Technol Bicutan, Tagig 1604, Metro Man Philippine Text Res Inst Tagig Metro Manila Philippines 1604 4, Metro Man
Titolo Testata:
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
fascicolo: 2-3, volume: 138, anno: 1999,
pagine: 287 - 294
SICI:
1381-1169(19990205)138:2-3<287:PDOLOT>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
TITANIUM-DIOXIDE; KRAFT;
Keywords:
photocatalyst; lignin; degradation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Tanaka, K Natl Inst Mat & Chem Res, 1-1 Higashi, Tsukuba, Ibaraki, Japan Natl Inst Mat & Chem Res 1-1 Higashi Tsukuba Ibaraki Japan apan
Citazione:
K. Tanaka et al., "Photocatalyzed degradation of lignin on TiO2", J MOL CAT A, 138(2-3), 1999, pp. 287-294

Abstract

In lignin solution with suspended TiO2 lignin adsorbed to TiO2. The illumination of the suspension by UV (lambda > 310 nm) brought about the desorption as well as the degradation of lignin. The tight adsorption was suggestedby the suppression of CO2 evolution, which accompanies the degradation, athigh concentration of lignin. During the degradation the aromatic moiety was transformed faster than the aliphatic side chain. In the transformation process lignin was polymerized in the beginning and then converted to smaller molecule successively. Oxygenated compounds such as carboxylate and aldehyde were formed as intermediates. (C) 1999 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/10/20 alle ore 20:14:25