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Shiro Saka

Researcher at Kyoto University

Publications -  299
Citations -  15285

Shiro Saka is an academic researcher from Kyoto University. The author has contributed to research in topics: Supercritical fluid & Cellulose. The author has an hindex of 59, co-authored 290 publications receiving 14000 citations. Previous affiliations of Shiro Saka include Shin-Etsu Chemical & North Carolina State University.

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Pyrolysis reactions of Japanese cedar and Japanese beech woods in a closed ampoule reactor

TL;DR: In this article, the chemical structures of hemicellulose and lignin are different for two distinct types of wood, i.e., softwood and hardwood, and such differences are expected to affect pyrolysis behavior.
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Evaluation of Indian milkweed (Calotropis gigantea) seed oil as alternative feedstock for biodiesel

TL;DR: In this article, Indian milkweed oil was evaluated as a potential feedstock for biodiesel production, and the extracted oil was analyzed for the fatty acid profile and oil properties, which conformed to four standards (Philippine National Standard PNS2020:2003, Japanese Automotive Standards Organization JASO M360, European Standard EN 14214, American Society for Testing Materials ASTM D6751).
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Characterization in Chemical Composition of the Oil Palm (Elaeis guineensis)

TL;DR: In this paper, the chemical composition of cellulose, hemicellulose, lignin and other minor cell wall components was studied for six different parts of the oil palm such as trunk, frond, mesocarp, shell, kernel cake and empty fruit bunch.
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Processes forming Gas, Tar, and Coke in Cellulose Gasification from Gas-Phase Reactions of Levoglucosan as Intermediate.

TL;DR: It was determined that secondary reactions of gaseous LG can result in the clean (tar- and coke-free) gasification of cellulose, and the acid catalyst effect of intermolecular hydrogen bonding to promote the molten-phase dehydration reactions.
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Boiling point of levoglucosan and devolatilization temperatures in cellulose pyrolysis measured at different heating area temperatures

TL;DR: In this paper, a very fine thermocouple was used to measure the devolatilization temperature during cellulose pyrolysis, and the results indicated that the depolymerization of cellulose, not evaporation of the volatiles products, is the rate-determining step for the pyrotechnic degradation.