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Chemolytic and solid-state spectroscopic evaluation of organic matter transformation during vermicomposting of sugar industry wastes.

Abstract：

:The molecular structure of humic acid (HA) extracted was investigated by FT-IR and (13)C CP/MAS NMR spectroscopy during the vermicomposting of sugar industry wastes, viz. pressmud, trash and bagasse for 60days. A rapid decrease in C/N and lignocellulosic (lignin, cellulose, hemicellulose) content was observed in vermicompost during early phase of the process. The FT-IR and (13)C CP/MAS NMR spectra of HA indicated a high rate of change in structure with increase in the alkyl C/O-alkyl C ratio during the process. Aromatic structures and carboxyl groups showed an initial increase but decreased after approximately 40days indicating extensive mineralization during final stages of vermicomposting.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Sen B,Chandra TS

doi

10.1016/j.biortech.2006.06.007

subject

Has Abstract

pub_date

2007-05-01 00:00:00

pages

1680-3

issue

8

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(06)00327-0

journal_volume

98

pub_type

杂志文章

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