Publications by authors named "Yasuki Kansha"

2 Publications

  • Page 1 of 1

An overview of biomass thermochemical conversion technologies in Malaysia.

Sci Total Environ 2019 Aug 18;680:105-123. Epub 2019 Apr 18.

Department of Chemical and Environmental Engineering, University of Nottingham, Jalan Broga, 43500 Semenyih, Selangor, Malaysia.

The rising pressure on both cleaner production and sustainable development have been the main driving force that pushes mankind to seek for alternative greener and sustainable feedstocks for chemical and energy production. The biomass 'waste-to-wealth' concept which convert low value biomass into value-added products which contain high economic potential, have attracted the attentions from both academicians and industry players. With a tropical climate, Malaysia has a rich agricultural sector and dense tropical rainforest, giving rise to abundance of biomass which most of them are underutilized. Hence, the biomass 'waste-to-wealth' conversion through various thermochemical conversion technologies and the prospective challenges towards commercialization in Malaysia are reviewed in this paper. In this paper, a critical review about the maturity status of the four most promising thermochemical conversion routes in Malaysia (i.e. gasification, pyrolysis, liquefaction and hydroprocessing) is given. The current development of thermochemical conversion technologies for biomass conversion in Malaysia is also reviewed and benchmarked against global progress. Besides, the core technical challenges in commercializing these green technologies are highlighted as well. Lastly, the future outlook for successful commercialization of these technologies in Malaysia is included.
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http://dx.doi.org/10.1016/j.scitotenv.2019.04.211DOI Listing
August 2019

Biodiesel production process from microalgae oil by waste heat recovery and process integration.

Bioresour Technol 2015 Oct 29;193:192-9. Epub 2015 Jun 29.

Collaborative Research Center for Energy Engineering, Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan.

In this work, the optimization of microalgae oil (MO) based biodiesel production process is carried out by waste heat recovery and process integration. The exergy analysis of each heat exchanger presented an efficient heat coupling between hot and cold streams, thus minimizing the total exergy destruction. Simulation results showed that the unit production cost of optimized process is 0.592$/L biodiesel, and approximately 0.172$/L biodiesel can be avoided by heat integration. Although the capital cost of the optimized biodiesel production process increased 32.5% and 23.5% compared to the reference cases, the operational cost can be reduced by approximately 22.5% and 41.6%.
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http://dx.doi.org/10.1016/j.biortech.2015.06.116DOI Listing
October 2015
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