Evolution of organic matter in a full-scale composting plant for the treatment of sewage sludge and biowaste by respiration techniques and pyrolysis-GC/MS

被引:46
作者
Pognani, Michele [1 ]
Barrena, Raquel [1 ]
Font, Xavier [1 ]
Adani, Fabrizio [2 ]
Scaglia, Barbara [2 ]
Sanchez, Antoni [1 ]
机构
[1] Univ Autonoma Barcelona, Dept Chem Engn, Composting Res Grp, E-08193 Barcelona, Spain
[2] Univ Milan, Dipartimento Prod Vegetale, Grp RICICLA, I-20133 Milan, Italy
关键词
Sewage sludge; Biowaste; Composting; Respirometry; Pyrolysis-GC/MS; BIOLOGICAL STABILITY; QUALITATIVE MODIFICATIONS; SOLID-WASTE; MANURE; C/N; INDEX;
D O I
10.1016/j.biortech.2010.12.108
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
A full-scale composting plant treating in two parallel lines sewage sludge and the source-selected organic fraction of municipal solid waste (OFMSW or biowaste) has been completely monitored. Chemical routine analysis proved not to be suitable for an adequate plant monitoring in terms of stabilization and characterization of the process and final compost properties. However, the dynamic respiration index demonstrated to be the most feasible tool to determine the progression of the degradation and stabilization of organic matter for both sewage sludge and OFMSW lines. Both lines exhibited an important degree of stabilization of organic matter using rapid and cumulative respiration indices. Pyrolysis-GC/MS was applied to the most important inputs, outputs, and intermediate points of the plant It proved to be a powerful tool for the qualitative characterization of molecular composition of organic matter present in solid samples. A full characterization of the samples considered is also presented. (C) 2010 Elsevier Ltd. All rights reserved.
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页码:4536 / 4543
页数:8
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