One‐step production of CO‐ and CO 2 ‐free hydrogen from biomass | Zendy

Ishida Minoru | Zendy; Otsuka Kiyoshi | Zendy; Takenaka Sakae | Zendy; Yamanaka Ichiro | Zendy

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One‐step production of CO‐ and CO 2 ‐free hydrogen from biomass

Author(s) -

Ishida Minoru,

Otsuka Kiyoshi,

Takenaka Sakae,

Yamanaka Ichiro

Publication year - 2005

Publication title -

journal of chemical technology and biotechnology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 117

eISSN - 1097-4660

pISSN - 0268-2575

DOI - 10.1002/jctb.1188

Subject(s) - cellulose , catalysis , hydrogen production , hydrogen , chemistry , biomass (ecology) , alkali metal , starch , nuclear chemistry , inorganic chemistry , organic chemistry , agronomy , biology

The reaction between a biomass (cellulose, sucrose, glucose, starch, cotton, or Japanese paper) and NaOH in the presence of water vapor produced pure hydrogen without CO and CO 2 at temperatures in the range 473–623K. The addition of Ni/Al 2 O 3 or Rh/Al 2 O 3 catalyst to cellulose enhanced the production of hydrogen at <573 K. The reaction between cellulose and NaOH can be written as: C 6 H 10 O 5 + 12NaOH + H 2 O = 6Na 2 CO 3 + 12H 2 . The reactivities of alkali metal hydroxides were: KOH > NaOH ≫ LiOH. Copyright © 2004 Society of Chemical Industry

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