Multi-objective optimization of methane production system from biomass through anaerobic digestion

Weijun Li; Jakob Kjøbsted Huusom; Zhimao Zhou; Yi Nie; Yajing Xu; Xiangping Zhang

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Multi-objective optimization of methane production system from biomass through anaerobic digestion

Process Systems Engineering and Process Safety | Updated：2026-01-06

- Multi-objective optimization of methane production system from biomass through anaerobic digestion
- Chinese Journal of Chemical Engineering Vol. 26, Issue 10, Pages: 2084-2092(2018)
- Affiliations：
  
  1. 2 Sino-Danish Center for Education and Research, University of Chinese Academy of Sciences,Beijing,China,100049
  2. 3 Department of Chemical & Biochemical Engineering, Technical University of Denmark, DK Kgs2800. Lyngby,Denmark
- Author bio：
- Funds：
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- Published：2018
- Accepted：
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Weijun Li, Jakob Kjøbsted Huusom, Zhimao Zhou, Yi Nie, Yajing Xu, Xiangping Zhang. Multi-objective optimization of methane production system from biomass through anaerobic digestion[J]. Chin.J.Chem.Eng., 2018, 26(10): 2084-2092.
DOI：

Weijun Li, Jakob Kjøbsted Huusom, Zhimao Zhou, Yi Nie, Yajing Xu, Xiangping Zhang. Multi-objective optimization of methane production system from biomass through anaerobic digestion[J]. Chin.J.Chem.Eng., 2018, 26(10): 2084-2092. DOI：

摘要

Abstract

This work addressed the multi-objective optimization of a biogas production system considering both environmental and economic criteria. A mixed integer non-linear programming (MINLP) model was established and solved with non-dominated sorting genetic algorithm Ⅱ

from which the Pareto fronts

the optimal technology combinations and operation conditions were obtained and analyzed. It's found that the system is feasible in both environmental and economic considerations after optimization. The most expensive processing section is decarbonization; the most expensive equipment is anaerobic digester; the most power-consuming processing section is digestion

followed by decarbonization and waste management. The positive green degree value on the process is attributed to processing section of digestion and waste management. 3:1 chicken feces and corn straw

solar energy

pressure swing adsorption and 3:1 chicken feces and rice straw

solar energy

pressure swing adsorption are turned out to be two robust technology combinations under different prices of methane and electricity by sensitivity analysis. The optimization results provide support for optimal design and operation of biogas production system considering environmental and economic objectives.

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