History, challenge and solution of biomass gasification: a review

ZHANGQisheng,MAZhongqing, ZHOU Jianbin

（1.Bamboo Engineering Research Center, Nanjing Forestry University, Nanjing Jiangsu, 210037）

Abstract: Recently, as the widely application of biotechnology in the industry, agriculture and energy, it has been playing a great role in technology reform and economy growth. And currently, due to the problems of rapid depletion of fossil fuel and environmental pollution, people are looking for a renewable and green fuel and fuel processing technology that can partially replace the fossil fuel. Biomass gasification technology, regarding as a renewable and sustainable bio-energy conversion technology, has been developing rapidly. However, for the immature gasification system and ineffective recycling utilization of gasification byproducts (bio-char and bio-extract) seriously, it hinders the commercialization and operation of gasification technology. Biomass gasification poly-generation technology is defined as the comprehensive utilization of gas (producer gas), solid (bio-char) and liquid (bio-extract) products from biomass downdraft fixed bed gasification system. The presentation of the poly-generation methodology and the successful application of the associated equipment provide a new guideline for the further development of biomass gasification technology. This paper describes the history, challenge and solution of biomass gasification technology.

Keywords: Biomass, gasification, poly-generation, downdraft fixed bed gasifier, bio-char, and bio-extract