Thermal behavior of lignin and cellulose from waste composting process |
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| Authors: | Giseli Aparecida Bernabé M Kobelnik S Almeida C A Ribeiro M S Crespi |
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| Institution: | 1. Analytical Chemistry Department, Chemistry Institute, S?o Paulo State University, Prof. Francisco Degni 55, P.O Box 355, 14800-900, Araraquara, SP, Brazil
2. Centro Universitário do Norte Paulista—UNORP, S?o José do Rio Preto, SP, Brazil
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| Abstract: | The lignin and cellulose were extracted from reference material (leaves and twigs) and food of compost at different times composting: zero (raw), 30, and 120 days. According to thermogravimetric analysis and its derivative and differential scanning calorimetry curves for these samples, were verified during composting process there were considerable changes in its thermal profiles, as well as, characteristics lignin in cellulose samples and cellulose in lignin samples. These features were found by fourier transformed infrared spectroscopy. |
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