Assessment of co-composting of sludge and woodchips in the perspective of environmental impacts (EASETECH)

Copyright © 2015 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 42(2015) vom: 01. Aug., Seite 55-60
1. Verfasser: Zhao, Yan (VerfasserIn)
Weitere Verfasser: Lu, Wenjing, Damgaard, Anders, Zhang, Yu, Wang, Hongtao
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Co-composting EASETECH Environmental impact Life cycle assessment (LCA) Sludge Sewage Soil
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520 |a To reveal potential impacts to environment and human health quantitatively, co-composting and utilization of sludge and woodchips were investigated using a life-cycle-based model, EASETECH. Three scenarios were assessed through experiments using different material ratios. Emission amounts during co-composting were determined by monitoring data and mass balance. With 100t sludge treatment, co-composting showed impacts to acidification (29.9 PE) and terrestrial eutrophication (57.7 PE) mainly for ammonia emission. Compost utilization presented savings on freshwater eutrophication (-1.5 PE) because of phosphorus substitution. With the application of fewer woodchips, impacts to acidification and terrestrial eutrophication decreased because more ammonium was reserved rather than released. All impacts to human toxicity were not significant (8.2±0.6 PE) because the compost was used for urban landscaping rather than farming. Trace gaseous compounds showed marginal impacts to global warming and toxicity categories. The results provide a new perspective and offer evidence for appropriate sludge treatment selection 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Co-composting 
650 4 |a EASETECH 
650 4 |a Environmental impact 
650 4 |a Life cycle assessment (LCA) 
650 4 |a Sludge 
650 7 |a Sewage  |2 NLM 
650 7 |a Soil  |2 NLM 
700 1 |a Lu, Wenjing  |e verfasserin  |4 aut 
700 1 |a Damgaard, Anders  |e verfasserin  |4 aut 
700 1 |a Zhang, Yu  |e verfasserin  |4 aut 
700 1 |a Wang, Hongtao  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Waste management (New York, N.Y.)  |d 1999  |g 42(2015) vom: 01. Aug., Seite 55-60  |w (DE-627)NLM098197061  |x 1879-2456  |7 nnns 
773 1 8 |g volume:42  |g year:2015  |g day:01  |g month:08  |g pages:55-60 
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