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Comparison of overall resource consumption of biosolids management system processes using exergetic life cycle assessment

(2015) ENVIRONMENTAL SCIENCE & TECHNOLOGY. 49(16). p.9996-10006
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Abstract
This study focused on the evaluation of biosolids management systems (BMS) from a natural resource consumption point of view. Additionally, the environmental impact of the facilities was benchmarked using Life Cycle Assessment (LCA) to provide a comprehensive assessment. This is the first study to apply a Cumulative Exergy Extraction from the Natural Environment (CEENE) method for an in-depth resource use assessment of BMS where two full-scale BMS and seven system variations were analyzed. CEENE allows better system evaluation and understanding of how much benefit is achievable from the products generated by BMS, which have valorization potential. LCA results showed that environmental burden is mostly from the intense electricity consumption. The CEENE analysis further revealed that the environmental burden is due to the high consumption of fossil and nuclear-based natural resources. Using Cumulative Degree of Perfection, higher resource-use efficiency, 53%, was observed in the PTA-2 where alkaline stabilization rather than anaerobic digestion is employed. However, an anaerobic digestion process is favorable over alkaline stabilization, with 35% lower overall natural resource use. The most significant reduction of the resource footprint occurred when the output biogas was valorized in a combined heat and power system.
Keywords
SEWAGE-SLUDGE TREATMENT, WATER TREATMENT PLANTS, ASSESSMENT ELCA, CHINA, LCA, ENVIRONMENT, INDICATORS, ENERGY

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Please use this url to cite or link to this publication:

MLA
Alanya, Sevda, Jo Dewulf, and Metin Duran. “Comparison of Overall Resource Consumption of Biosolids Management System Processes Using Exergetic Life Cycle Assessment.” ENVIRONMENTAL SCIENCE & TECHNOLOGY 49.16 (2015): 9996–10006. Print.
APA
Alanya, S., Dewulf, J., & Duran, M. (2015). Comparison of overall resource consumption of biosolids management system processes using exergetic life cycle assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 49(16), 9996–10006.
Chicago author-date
Alanya, Sevda, Jo Dewulf, and Metin Duran. 2015. “Comparison of Overall Resource Consumption of Biosolids Management System Processes Using Exergetic Life Cycle Assessment.” Environmental Science & Technology 49 (16): 9996–10006.
Chicago author-date (all authors)
Alanya, Sevda, Jo Dewulf, and Metin Duran. 2015. “Comparison of Overall Resource Consumption of Biosolids Management System Processes Using Exergetic Life Cycle Assessment.” Environmental Science & Technology 49 (16): 9996–10006.
Vancouver
1.
Alanya S, Dewulf J, Duran M. Comparison of overall resource consumption of biosolids management system processes using exergetic life cycle assessment. ENVIRONMENTAL SCIENCE & TECHNOLOGY. 2015;49(16):9996–10006.
IEEE
[1]
S. Alanya, J. Dewulf, and M. Duran, “Comparison of overall resource consumption of biosolids management system processes using exergetic life cycle assessment,” ENVIRONMENTAL SCIENCE & TECHNOLOGY, vol. 49, no. 16, pp. 9996–10006, 2015.
@article{8523953,
  abstract     = {This study focused on the evaluation of biosolids management systems (BMS) from a natural resource consumption point of view. Additionally, the environmental impact of the facilities was benchmarked using Life Cycle Assessment (LCA) to provide a comprehensive assessment. This is the first study to apply a Cumulative Exergy Extraction from the
Natural Environment (CEENE) method for an in-depth resource use assessment of BMS where two full-scale BMS and seven system variations were analyzed. CEENE allows better system evaluation and understanding of how much benefit is achievable from the products generated by BMS, which have valorization potential. LCA results showed that environmental burden is mostly from the intense electricity consumption. The CEENE analysis further revealed that the environmental burden is due to the high consumption of fossil and nuclear-based natural resources. Using Cumulative Degree of Perfection, higher resource-use efficiency, 53%, was observed in the PTA-2 where alkaline stabilization rather than anaerobic digestion is employed. However, an anaerobic digestion process is favorable over alkaline stabilization, with 35% lower overall natural resource use. The most significant reduction of the resource footprint occurred when the output biogas was valorized in a combined heat and power system.},
  author       = {Alanya, Sevda and Dewulf, Jo and Duran, Metin},
  issn         = {0013-936X},
  journal      = {ENVIRONMENTAL SCIENCE & TECHNOLOGY},
  keywords     = {SEWAGE-SLUDGE TREATMENT,WATER TREATMENT PLANTS,ASSESSMENT ELCA,CHINA,LCA,ENVIRONMENT,INDICATORS,ENERGY},
  language     = {eng},
  number       = {16},
  pages        = {9996--10006},
  title        = {Comparison of overall resource consumption of biosolids management system processes using exergetic life cycle assessment},
  url          = {http://dx.doi.org/10.1021/acs.est.5b03124},
  volume       = {49},
  year         = {2015},
}

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