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A study on wood gasification for low-tar gas production

Author

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  • Bhattacharya, S.C
  • Mizanur Rahman Siddique, A.H.Md
  • Pham, Hoang-Luong

Abstract

We present results of an experimental study on two-stage wood gasification and attempts to reduce the tar content of the gas. Increasing the wood-chip moisture content resulted in an increase of CO2 and H2 but a decrease of the CO concentration without significantly affecting the tar content in the producer gas. For a particular primary air flow rate, an increase in the secondary air flow of the two-stage gasifier resulted in decrease of the tar content and the CO2 and H2 concentrations while that of CO increased. A charcoal gasifier and a floating-drum gas-storage system were coupled to a two-stage wood gasifier. The tar content of the product gas was in the range 19–34 mg/Nm3 for a charcoal gasifier coupled to a two-stage wood gasifier. With a floating-drum gas-storage system and a 3.5 h retention time, the tar content was reduced to 9.24 mg/Nm3, which is 85% less than that obtained by using the a two-stage wood gasifier alone.

Suggested Citation

  • Bhattacharya, S.C & Mizanur Rahman Siddique, A.H.Md & Pham, Hoang-Luong, 1999. "A study on wood gasification for low-tar gas production," Energy, Elsevier, vol. 24(4), pages 285-296.
    • Handle: RePEc:eee:energy:v:24:y:1999:i:4:p:285-296
    DOI: 10.1016/S0360-5442(98)00091-7
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    1. Machin, Einara Blanco & Pedroso, Daniel Travieso & Proenza, Nestor & Silveira, José Luz & Conti, Leonetto & Braga, Lúcia Bollini & Machin, Adrian Blanco, 2015. "Tar reduction in downdraft biomass gasifier using a primary method," Renewable Energy, Elsevier, vol. 78(C), pages 478-483.
    2. Rahman, MD Mashiur & Henriksen, Ulrik Birk & Ahrenfeldt, Jesper & Arnavat, Maria Puig, 2020. "Design, construction and operation of a low-tar biomass (LTB) gasifier for power applications," Energy, Elsevier, vol. 204(C).
    3. Chen, Wei & Annamalai, Kalyan & Ansley, R. James & Mirik, Mustafa, 2012. "Updraft fixed bed gasification of mesquite and juniper wood samples," Energy, Elsevier, vol. 41(1), pages 454-461.
    4. Rakesh N, & Dasappa, S., 2018. "A critical assessment of tar generated during biomass gasification - Formation, evaluation, issues and mitigation strategies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 91(C), pages 1045-1064.
    5. Ma, Zhongqing & Zhang, Yimeng & Zhang, Qisheng & Qu, Yongbiao & Zhou, Jianbin & Qin, Hengfei, 2012. "Design and experimental investigation of a 190 kWe biomass fixed bed gasification and polygeneration pilot plant using a double air stage downdraft approach," Energy, Elsevier, vol. 46(1), pages 140-147.
    6. Rahman, Md Mashiur & Aravindakshan, Sreejith & Matin, Md Abdul, 2021. "Design and performance evaluation of an inclined nozzle and combustor of a downdraft moving bed gasifier for tar reduction," Renewable Energy, Elsevier, vol. 172(C), pages 239-250.
    7. Radenahmad, Nikdalila & Azad, Atia Tasfiah & Saghir, Muhammad & Taweekun, Juntakan & Bakar, Muhammad Saifullah Abu & Reza, Md Sumon & Azad, Abul Kalam, 2020. "A review on biomass derived syngas for SOFC based combined heat and power application," Renewable and Sustainable Energy Reviews, Elsevier, vol. 119(C).
    8. Raman, P. & Ram, N.K. & Gupta, Ruchi, 2013. "A dual fired downdraft gasifier system to produce cleaner gas for power generation: Design, development and performance analysis," Energy, Elsevier, vol. 54(C), pages 302-314.
    9. Chiang, Kung-Yuh & Lu, Cheng-Han & Lin, Ming-Hui & Chien, Kuang-Li, 2013. "Reducing tar yield in gasification of paper-reject sludge by using a hot-gas cleaning system," Energy, Elsevier, vol. 50(C), pages 47-53.
    10. Raman, P. & Ram, N.K., 2013. "Performance analysis of an internal combustion engine operated on producer gas, in comparison with the performance of the natural gas and diesel engines," Energy, Elsevier, vol. 63(C), pages 317-333.
    11. Sharma, Monikankana & N, Rakesh & Dasappa, S., 2016. "Solid oxide fuel cell operating with biomass derived producer gas: Status and challenges," Renewable and Sustainable Energy Reviews, Elsevier, vol. 60(C), pages 450-463.
    12. Csaba Fogarassy & Laszlo Toth & Marton Czikkely & David Christian Finger, 2019. "Improving the Efficiency of Pyrolysis and Increasing the Quality of Gas Production through Optimization of Prototype Systems," Resources, MDPI, vol. 8(4), pages 1-14, December.
    13. Martínez, Juan Daniel & Mahkamov, Khamid & Andrade, Rubenildo V. & Silva Lora, Electo E., 2012. "Syngas production in downdraft biomass gasifiers and its application using internal combustion engines," Renewable Energy, Elsevier, vol. 38(1), pages 1-9.
    14. Usmani, Sameer & Gonzalez Quiroga, Arturo & Vasquez Padilla, Ricardo & Palmer, Graeme & Lake, Maree, 2020. "Simulation model of the characteristics of syngas from hardwood biomass for thermally integrated gasification using unisim design tool," Energy, Elsevier, vol. 211(C).
    15. Han, Jun & Kim, Heejoon, 2008. "The reduction and control technology of tar during biomass gasification/pyrolysis: An overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(2), pages 397-416, February.
    16. Park, Sang-Woo & Jang, Cheol-Hyeon, 2012. "Effects of pyrolysis temperature on changes in fuel characteristics of biomass char," Energy, Elsevier, vol. 39(1), pages 187-195.
    17. Ouadi, M. & Brammer, J.G. & Kay, M. & Hornung, A., 2013. "Fixed bed downdraft gasification of paper industry wastes," Applied Energy, Elsevier, vol. 103(C), pages 692-699.
    18. Johannes Full & Steffen Merseburg & Robert Miehe & Alexander Sauer, 2021. "A New Perspective for Climate Change Mitigation—Introducing Carbon-Negative Hydrogen Production from Biomass with Carbon Capture and Storage (HyBECCS)," Sustainability, MDPI, vol. 13(7), pages 1-22, April.

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