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Life-cycle environmental and economic assessment of sewage sludge treatment in China

A cost-combined life-cycle assessment was conducted to estimate the environmental and economic burdens of 13 sewage sludge-treatment scenarios in China. Results showed that anaerobic digestion was a suitable alternative to reduce both environmental and economic burdens because this approach reduced... Full description

Journal Title: Journal of Cleaner Production 15 March 2014, Vol.67, pp.79-87
Main Author: Xu, Changqing
Other Authors: Chen, Wei , Hong, Jinglan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0959-6526 ; E-ISSN: 1879-1786 ; DOI: 10.1016/j.jclepro.2013.12.002
Link: https://www.sciencedirect.com/science/article/pii/S0959652613008561
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recordid: elsevier_sdoi_10_1016_j_jclepro_2013_12_002
title: Life-cycle environmental and economic assessment of sewage sludge treatment in China
format: Article
creator:
  • Xu, Changqing
  • Chen, Wei
  • Hong, Jinglan
subjects:
  • Life-Cycle Assessment
  • Life-Cycle Costing
  • Anaerobic Digestion
  • Incineration
  • Energy Recovery
  • Sewage Sludge
  • Engineering
ispartof: Journal of Cleaner Production, 15 March 2014, Vol.67, pp.79-87
description: A cost-combined life-cycle assessment was conducted to estimate the environmental and economic burdens of 13 sewage sludge-treatment scenarios in China. Results showed that anaerobic digestion was a suitable alternative to reduce both environmental and economic burdens because this approach reduced dry mass volume and applied energy recovery. Landfill and incineration technologies had the highest and lowest environmental burdens, respectively. Direct heavy metal emissions generated from landfill and incineration processes contributed significantly to human toxicity and marine ecotoxicity. However, energy recovery from the landfill and incineration stages was important to reduce both environmental and economic burdens. This study indicated that a sewage sludge-treatment scenario with anaerobic digestion, dewatering, and incineration technologies was the most environmentally and economically suitable method to treat sewage sludge because of energy recovery. All new sewage treatment...
language: eng
source:
identifier: ISSN: 0959-6526 ; E-ISSN: 1879-1786 ; DOI: 10.1016/j.jclepro.2013.12.002
fulltext: fulltext
issn:
  • 0959-6526
  • 09596526
  • 1879-1786
  • 18791786
url: Link


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subjectLife-Cycle Assessment ; Life-Cycle Costing ; Anaerobic Digestion ; Incineration ; Energy Recovery ; Sewage Sludge ; Engineering
descriptionA cost-combined life-cycle assessment was conducted to estimate the environmental and economic burdens of 13 sewage sludge-treatment scenarios in China. Results showed that anaerobic digestion was a suitable alternative to reduce both environmental and economic burdens because this approach reduced dry mass volume and applied energy recovery. Landfill and incineration technologies had the highest and lowest environmental burdens, respectively. Direct heavy metal emissions generated from landfill and incineration processes contributed significantly to human toxicity and marine ecotoxicity. However, energy recovery from the landfill and incineration stages was important to reduce both environmental and economic burdens. This study indicated that a sewage sludge-treatment scenario with anaerobic digestion, dewatering, and incineration technologies was the most environmentally and economically suitable method to treat sewage sludge because of energy recovery. All new sewage treatment...
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A cost-combined life-cycle assessment was conducted to estimate the environmental and economic burdens of 13 sewage sludge-treatment scenarios in China. Results showed that anaerobic digestion was a suitable alternative to reduce both environmental and economic burdens because this approach reduced dry mass volume and applied energy recovery. Landfill and incineration technologies had the highest and lowest environmental burdens, respectively. Direct heavy metal emissions generated from landfill and incineration processes contributed significantly to human toxicity and marine ecotoxicity. However, energy recovery from the landfill and incineration stages was important to reduce both environmental and economic burdens. This study indicated that a sewage sludge-treatment scenario with anaerobic digestion, dewatering, and incineration technologies was the most environmentally and economically suitable method to treat sewage sludge because of energy recovery. All new sewage treatment...

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A cost-combined life-cycle assessment was conducted to estimate the environmental and economic burdens of 13 sewage sludge-treatment scenarios in China. Results showed that anaerobic digestion was a suitable alternative to reduce both environmental and economic burdens because this approach reduced dry mass volume and applied energy recovery. Landfill and incineration technologies had the highest and lowest environmental burdens, respectively. Direct heavy metal emissions generated from landfill and incineration processes contributed significantly to human toxicity and marine ecotoxicity. However, energy recovery from the landfill and incineration stages was important to reduce both environmental and economic burdens. This study indicated that a sewage sludge-treatment scenario with anaerobic digestion, dewatering, and incineration technologies was the most environmentally and economically suitable method to treat sewage sludge because of energy recovery. All new sewage treatment...

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date2014-03-15