Steam co-gasification of horticultural waste and sewage sludge: Product distribution, synergistic analysis and optimization.

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2020
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Abstract
In this study, horticultural waste (HW) and sewage sludge (SS) with different mass ratios were co-gasified with steam at different temperatures to investigate the product distribution, gas synergistic interaction, and optimal design for gas products from co-gasification process. Results showed that with the increase of SS ratio in blends, the H content was increased and the syngas yield was decreased. The synergistic interaction was more significant at higher temperature which promoted the H production probably due to the reduction and steam oxidation of Fe species in SS during co-gasification process. The optimized highest effective gas content (82.92 vol%) was achieved with the highest HHV (11.40 MJ/m) at the conditions of SS ratio = 0.80 and temperature of 900 °C. It indicates that steam co-gasification of HW and SS is a promising technology to produce desired syngas towards a clean and efficient waste management process.
Reference Key
hu2020steambioresource Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Hu, Qiang;Dai, Yanjun;Wang, Chi-Hwa;
Journal Bioresource technology
Year 2020
DOI
S0960-8524(20)30049-3
URL
Keywords
synergistic effect optimal design product distribution steam co-gasification syngas composition

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