Journal
KOREAN JOURNAL OF CHEMICAL ENGINEERING
Volume 40, Issue 8, Pages 1815-1821Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-023-1494-z
Keywords
Energy Recovery; Hybrid System; Process Integration; Sustainable Energy; Waste Valorization
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Waste-to-energy is an important strategy for addressing climate change and waste problems. Thermochemical conversion is a widely used process for converting waste into energy. Integrating different thermochemical conversion processes can improve the overall efficiency of energy recovery from waste. Understanding the possible configurations of hybrid thermochemical waste conversion processes is crucial for further development and implementation. This systematic review provides an overview of existing hybrid thermochemical waste conversion systems and discusses the challenges and future research suggestions.
As a strategy for mitigating climate change and waste problems, waste-to-energy has rapidly emerged. Thermochemical conversion is a widely used waste-to-energy process that involves the degradation of waste structure at high temperatures under oxygenic or anoxygenic atmosphere. Integration of different thermochemical conversion processes enhances the overall efficiency of energy recovery from waste substances. To maximize the enhancement of waste-to-energy efficiency, the selection of thermochemical conversion system configurations is critical. Understanding possible configurations of hybrid thermochemical waste conversion processes (e.g., pyrolysis, gasification, hydrothermal carbonization, and aqueous-phase reforming) is necessary for further development and propagation of the integrated hybrid thermochemical waste conversion processes. To this end, we provide a systematic review of existing hybrid thermochemical waste conversion systems that integrate different thermochemical conversion processes for waste-to-energy. The challenges and future research suggestions regarding integrated thermochemical waste conversion processes are also discussed.
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