Reed pyrolysis system using multi-stage quench scheme for furfural and chemical production: Process analysis and life cycle assessment

Xu, J., Pan, H., Zhou, S., Haijin, L., Zhan, L., Wang, S., Li, R., & Wu, Y. (2025). Reed pyrolysis system using multi-stage quench scheme for furfural and chemical production: Process analysis and life cycle assessment. Fuel 400 e135708. 10.1016/j.fuel.2025.135708.

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Abstract

This study presents an efficient utilization strategy for reed pyrolysis products, focusing on furfural as the primary product, along with acetic acid, wood vinegar, and phenol-rich oil. Based on this, the Energy-Integration Resource Utilization (EIRU) process, which incorporates a multi-stage quenching method, is developed. This process effectively removes most water from the main organic compounds during condensation by harnessing the internal heat of the high-temperature pyrolysis product stream from the reactor. Compared to conventional pyrolysis process, the EIRU can reduce energy consumption by 50 %. Life cycle assessment reveals that the EIRU process significantly reduces key environmental impact factors, including 90.15 kg CO2 eq. reduction in Global Warming Potential (GWP), 22.95 kg 1,4-DB eq. reduction in Human Toxicity Potential (HTP), and 1.86 kg Sb eq. reduction in Abiotic Depletion Potential (ADP). Additionally, the EIRU process yields a profit of 151.69 USD/ton, which is 14.81 USD/ton higher than the conventional process. This study highlights the superior environmental and economic performance of the EIRU process, positioning it as a more sustainable and profitable solution for reed pyrolysis.

Item Type:	Article
Uncontrolled Keywords:	Biomass, Environmental impact, Process optimization, Sustainability assessment, Energy efficiency
Research Programs:	Advancing Systems Analysis (ASA) Advancing Systems Analysis (ASA) > Systemic Risk and Resilience (SYRR)
Depositing User:	Luke Kirwan
Date Deposited:	06 Jun 2025 09:55
Last Modified:	06 Jun 2025 09:55
URI:	https://pure.iiasa.ac.at/20655

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