Conversion of producer gas from gasification-reforming process using NiO/SBA-15

Baowang Lu, Katsuya Kawamoto

Research output: Contribution to journalArticle

Abstract

By post synthesis method, the NiO particles were inserted into the SBA-15 pores. The NiO/SBA-15 prepared by post synthesis method exhibited high efficiency and selectivity for methanation. The conversion for methanation was increased with increasing NiO loading, when the NiO loading exceeded 50 wt%, the CH4 selectivity was 100 %. By direct method, the NiO particles were dispersed into the SiO2 structure of SBA-15. The NiO/SBA-15 obtained by direct synthesis method exhibited excellent efficiency, and selectivity for producer gas conversion to CO comparable to that obtained by post synthesis method. The synthesis method affected the CO selectivity. The temperature and H2/CO2 ratio played an important role in CO2 conversion to CO. The NiO loading did not affect the CO2 conversion to CO. Although there was no difference in CO selectivity at high temperature, it was influenced greatly by NiO loading at low temperature as a result of CH4 formation.

Original languageEnglish
Pages (from-to)767-771
Number of pages5
JournalNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
Volume79
Issue number801
DOIs
Publication statusPublished - 2013
Externally publishedYes

Fingerprint

Gas producers
gasification
Reforming reactions
Gasification
selectivity
methanation
Methanation
synthesis
gases
Temperature
porosity

Keywords

  • Direct synthesis method
  • Methanation
  • NiO/SBA-15
  • Post synthesis method
  • Producer gas
  • Reverse water-gas-shift reaction

ASJC Scopus subject areas

  • Mechanical Engineering
  • Condensed Matter Physics

Cite this

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title = "Conversion of producer gas from gasification-reforming process using NiO/SBA-15",
abstract = "By post synthesis method, the NiO particles were inserted into the SBA-15 pores. The NiO/SBA-15 prepared by post synthesis method exhibited high efficiency and selectivity for methanation. The conversion for methanation was increased with increasing NiO loading, when the NiO loading exceeded 50 wt{\%}, the CH4 selectivity was 100 {\%}. By direct method, the NiO particles were dispersed into the SiO2 structure of SBA-15. The NiO/SBA-15 obtained by direct synthesis method exhibited excellent efficiency, and selectivity for producer gas conversion to CO comparable to that obtained by post synthesis method. The synthesis method affected the CO selectivity. The temperature and H2/CO2 ratio played an important role in CO2 conversion to CO. The NiO loading did not affect the CO2 conversion to CO. Although there was no difference in CO selectivity at high temperature, it was influenced greatly by NiO loading at low temperature as a result of CH4 formation.",
keywords = "Direct synthesis method, Methanation, NiO/SBA-15, Post synthesis method, Producer gas, Reverse water-gas-shift reaction",
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AU - Lu, Baowang

AU - Kawamoto, Katsuya

PY - 2013

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N2 - By post synthesis method, the NiO particles were inserted into the SBA-15 pores. The NiO/SBA-15 prepared by post synthesis method exhibited high efficiency and selectivity for methanation. The conversion for methanation was increased with increasing NiO loading, when the NiO loading exceeded 50 wt%, the CH4 selectivity was 100 %. By direct method, the NiO particles were dispersed into the SiO2 structure of SBA-15. The NiO/SBA-15 obtained by direct synthesis method exhibited excellent efficiency, and selectivity for producer gas conversion to CO comparable to that obtained by post synthesis method. The synthesis method affected the CO selectivity. The temperature and H2/CO2 ratio played an important role in CO2 conversion to CO. The NiO loading did not affect the CO2 conversion to CO. Although there was no difference in CO selectivity at high temperature, it was influenced greatly by NiO loading at low temperature as a result of CH4 formation.

AB - By post synthesis method, the NiO particles were inserted into the SBA-15 pores. The NiO/SBA-15 prepared by post synthesis method exhibited high efficiency and selectivity for methanation. The conversion for methanation was increased with increasing NiO loading, when the NiO loading exceeded 50 wt%, the CH4 selectivity was 100 %. By direct method, the NiO particles were dispersed into the SiO2 structure of SBA-15. The NiO/SBA-15 obtained by direct synthesis method exhibited excellent efficiency, and selectivity for producer gas conversion to CO comparable to that obtained by post synthesis method. The synthesis method affected the CO selectivity. The temperature and H2/CO2 ratio played an important role in CO2 conversion to CO. The NiO loading did not affect the CO2 conversion to CO. Although there was no difference in CO selectivity at high temperature, it was influenced greatly by NiO loading at low temperature as a result of CH4 formation.

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KW - Post synthesis method

KW - Producer gas

KW - Reverse water-gas-shift reaction

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