Economic, energetic and environmental optimization of hybrid biomass gasification-based combined cooling, heating and power system based on an improved operating strategy

Pengfei Jie, Wanyue Zhao, Fuchun Yan, Xiaoxin Man and Chunhua Liu

Energy, 2022, vol. 240, issue C

Abstract: The multi-objective optimization of the hybrid biomass gasification-based combined cooling, heating and power (BGBCCHP) system with respects to economy, energy and environment were realized. A feasibility study of adding the electric chiller (EC) and heat storage tank (HST) to the system was performed. An improved following hybrid electric-thermal load (IFHL) strategy was proposed. Three operating strategies (following thermal load (FTL), following electric load (FEL) and IFHL) and four kinds of biomass raw materials (corn straw (CS), wood pellet (WP), wheat straw (WS) and rice straw (RS)) were used in the optimization. Results show that CS is more conducive to improving economic, environmental and comprehensive performance, while WP is more conducive to improving energetic performance. The capacity of the EC of the system optimized from energetic perspective is larger than that of the system optimized from other perspectives. HST is recommended to add to the system under FEL. IFHL and FEL yield the best and worst system performance, respectively. Sensitivity analysis indicates that gasification efficiency has the greatest impact on system performance. As for the feed-in tariff policy, the equipment capacity and economic performance of the system are not affected by incentive coefficient.

Keywords: Biomass gasification; Combined cooling; Heating and power; Operating strategies; Biomass raw materials (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:240:y:2022:i:c:s0360544221029790

DOI: 10.1016/j.energy.2021.122730

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