Abstract:
:For decades, there has been a strong interest in mitigating greenhouse gas (GHG) emissions from wastewater treatment plants (WWTPs). Numerous models were developed to measure the emissions and propose the quantification. Existing studies looked at the relationship between GHG emissions and operational cost (OCI), which is one of the most important indicators for decision-makers. Other parameters that can influence the control strategies include the effluent quality (EQI) and total environmental impacts. Plant-wide models are reliable methods to examine the OCI, EQI and GHG emissions while Life cycle assessment (LCA) works to assess the potential environmental impacts. A combined LCA and plant-wide model proved to be a valuable tool evaluating and comparing strategies for the best performance of WWTPs. For this study involving a WWTP, the benchmark model is used while LCA is the decision tool to find the most suitable treatment strategy. LCA adds extra criteria that complement the existing criteria provided by such models. Complementing the cost/performance criteria is proposed for plant-wide models, including environmental evaluation, based on LCA, which provides an overall better assessment of WWTPs. It can capture both the dynamic effects and potential environmental impacts. This study provides an overview of the integration between plant-wide models and LCA.
journal_name
J Environ Managejournal_title
Journal of environmental managementauthors
Nguyen TKL,Ngo HH,Guo WS,Chang SW,Nguyen DD,Nghiem LD,Nguyen TVdoi
10.1016/j.jenvman.2020.110440subject
Has Abstractpub_date
2020-06-15 00:00:00pages
110440eissn
0301-4797issn
1095-8630pii
S0301-4797(20)30374-1journal_volume
264pub_type
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