ORIGINAL RESEARCH
Synergizing Environmental and Economic Profits in Aerobic Composting: An Integrated Life Cycle Assessment and Cost-Benefit Analysis
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1
Department of Business Administration, Namseoul University, 91, Daehak-ro, Seonghwan-eup, Seobuk-gu, Cheonan, Chungcheongnam-do 31020, Republic of Korea
 
2
Business School, Linyi University, Shuangling Road, Lanshan District, Linyi, Shandong 276000, P. R. China
 
 
Submission date: 2025-08-17
 
 
Final revision date: 2025-09-09
 
 
Acceptance date: 2025-09-21
 
 
Online publication date: 2025-10-29
 
 
Corresponding author
Chuanyu Liu   

Business School, Linyi University, Shuangling Road, Lanshan District, Linyi, Shandong 276000, P. R. China
 
 
 
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ABSTRACT
The growing intensity of animal farming necessitates composting technologies that are both environmentally and economically sustainable. This study evaluates four mainstream aerobic composting methods: static heaps (SH), windrow composting (WC), membrane-covered composting (MC), and reactor composting (RC), using an integrated life cycle assessment (LCA) and cost-benefit analysis. Results show that MC significantly outperformed the others in eco-efficiency (EE). It enhanced environmental performance by 41.8%, 25.4%, and 13.2% compared to SH, WC, and RC, respectively (p<0.01 for SH; p<0.05 for WC and RC). These gains were driven by substantial reductions in greenhouse gas (GHG) emissions (44.9%, 32.7%, and 17.8%) and eutrophication potential (38.6%, 29.1%, and 15.3%) relative to SH, WC, and RC. Economically, MC’s operational cost (USD 28.84 t-1) was 33.6% lower than that of RC, underscoring its cost-effectiveness for emission-intensive systems. Consequently, MC’s overall EE improved by 168.4%, 92.7%, and 39.6% over SH, WC, and RC, respectively. We conclude that membrane-covered composting presents a balanced and compelling strategy for advancing sustainable waste management in intensive livestock operations.
ISSN:3072-1962
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