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Comparison of Cassava Distillery Residues and Straw as Bulking Agents for Full-scale Sewage Sludge Composting
Pan, Tian-Hao; Chen, Tong-Bin; Gao, Ding; Zheng, Guo-Di; Chen, Jun; Zhou, Hai-Bin
2017
Source PublicationCOMPOST SCIENCE & UTILIZATION
ISSN1065-657X
Volume25Issue:1Pages:1-12
Corresponding AuthorChen, Tong-Bin(chentb@igsnrr.ac.cn)
AbstractTo solve problems of bulking agents shortage for sewage sludge (SS) composting and of disposal of cassava distillery residues (CDR) in the alcohol industry, the effects of using CDR instead of maize straw as bulking agents were investigated at full scale in Rizhao, China. This was done by comparing CDR-added and straw-added piles. Both CDR and straw promoted sanitation achievement of SS composts. CDR was effective at increasing fermentation temperature, whereas straw was superior in maintaining the thermophilic phase. The free air space (FAS) of matrices provided by CDR or straw were sufficient (>30%) for fermentation, and showed rising trends during composting. Extensive mass reduction was also accomplished in composting even after considering the weight of added straw or CDR. Compared with straw-added piles, CDR-added piles showed less average FAS (51.42%), water removal (49.68%), and organic matter (OM) loss (21.51%), but greater volume reduction (16.34%). The time-dependence of OM loss varied between the CDR-added (which followed zero-order kinetics) and straw-added (first-order kinetics) piles. After fermentation, the composts were phytotoxin-free in both treatments. The CDR-added piles had lower EC (2,221 S cm(-1)) and C/N (13.29) than straw-added piles. A smaller germination index (73.59%) for CDR-added piles, combined with higher pH (7.33) and oxygen consumption rate (4.33 mL L-1 min(-1)), suggests that SS composting with CDR requires a longer time to reach maturity than with straw. However, CDR can be used instead of maize straw as a bulking agent for full-scale SS composting.
DOI10.1080/1065657X.2015.1088420
WOS KeywordMUNICIPAL SOLID-WASTE ; C/N RATIO ; NITROGEN TRANSFORMATIONS ; FORCED-AERATION ; PIG MANURE ; RICE STRAW ; FOOD WASTE ; WINERY ; MATURITY ; SYSTEM
Indexed BySCI
Language英语
Funding ProjectState Environmental Protection Public Welfare Professional Program of China[201209022] ; National Key Technology R&D Program of China[2012BAC25B03]
Funding OrganizationState Environmental Protection Public Welfare Professional Program of China ; National Key Technology R&D Program of China
WOS Research AreaEnvironmental Sciences & Ecology ; Agriculture
WOS SubjectEcology ; Soil Science
WOS IDWOS:000394501700001
PublisherTAYLOR & FRANCIS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/64836
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Tong-Bin
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, 11A Datun Rd, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Pan, Tian-Hao,Chen, Tong-Bin,Gao, Ding,et al. Comparison of Cassava Distillery Residues and Straw as Bulking Agents for Full-scale Sewage Sludge Composting[J]. COMPOST SCIENCE & UTILIZATION,2017,25(1):1-12.
APA Pan, Tian-Hao,Chen, Tong-Bin,Gao, Ding,Zheng, Guo-Di,Chen, Jun,&Zhou, Hai-Bin.(2017).Comparison of Cassava Distillery Residues and Straw as Bulking Agents for Full-scale Sewage Sludge Composting.COMPOST SCIENCE & UTILIZATION,25(1),1-12.
MLA Pan, Tian-Hao,et al."Comparison of Cassava Distillery Residues and Straw as Bulking Agents for Full-scale Sewage Sludge Composting".COMPOST SCIENCE & UTILIZATION 25.1(2017):1-12.
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