Biohydrogen production from furniture waste via catalytic gasification in air over Ni-loaded Ultra-stable Y-type zeolite

Soheil Valizadeh, Seong Ho Jang, Gwang Hoon Rhee, Jechan Lee, Pau Loke Show, Moonis Ali Khan, Byong Hun Jeon, Kun Yi Andrew Lin, Chang Hyun Ko, Wei Hsin Chen, Young Kwon Park

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46 Scopus citations

Abstract

This is the first study on air gasification of furniture waste (FW) over Ni-loaded ultra-stable Y-type zeolites (Ni-USY) to produce biohydrogen. Effects of SiO2/Al2O3 ratio of USY (5, 30, and 60), Ni loading (5, 10, 20, and 30 wt%) onto the support, and reaction temperature (700, 750, and 800 °C) on catalytic air gasification were investigated. The Ni-USY(5) led to a relatively higher gas yield (72.19 wt%) and higher volume percent of H2 (31.94 vol%) and CO (34.57 vol%) and lower CH4 and C2-C4 yields than the Ni-USY(30) and Ni-USY(60). An increase in the Ni loading onto USY(5) support from 5 wt% to 30 wt% did not affect the yield of gas. The concentrations of H2 (41.16 vol%) and CO (38.62 vol%) increased as increasing Ni loading from 5 wt% to 20 wt%. The H2 and CO concentrations significantly decreased as the Ni loading became over 20 wt%. Increasing the temperature from 700 to 800 °C increased the yields of H2 and CO and decreased the yields of CO2, CH4, and C2-C4. The contents of harmful compounds (e.g., benzene derivatives, phenolics, and polycyclic aromatic hydrocarbons) in liquid product were suppressed when using the Ni-USY(5). The air gasification with the Ni-USY catalysts could offer as an emerging technology to transform FW to H2-rich syngas with low contents of harmful pollutants.

Original languageEnglish
Article number133793
JournalChemical Engineering Journal
Volume433
DOIs
StatePublished - 1 Apr 2022

Keywords

  • Air gasification
  • Biohydrogen
  • Furniture waste
  • USY catalyst

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