Generation of electricity from FeCl3 pretreatment of rice straw using a fuel cell system

Ilgook Kim, Muhammad Saif Ur Rehman, Kyoung Heon Kim, Jong In Han

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

This study explored a new approach to the pretreatment of lignocellulosic biomass using FeCl3 combined with a fuel cell system to generate electricity. After pretreatment, ferric iron (Fe3+), a strong catalyst in the hydrolysis of carbohydrate, was found to be reduced to ferrous iron (Fe2+) by means of the oxidation of xylose and lignin. Ferrous iron, as a fuel, was employed to the anode part of a fuel cell, generating power of 1110mW/m2. During the fuel cell operation, ferrous iron was completely removed through oxidation to ferric iron and precipitated out. The optimal conditions for the operation of the fuel cell were found to be a pH of 7.0 and ferrous iron concentration of above 0.008M. These results clearly show that a fuel cell system could be used not only to remove ferrous iron from liquid hydrolysate, but also to produce electricity.

Original languageEnglish
Pages (from-to)635-639
Number of pages5
JournalBioresource Technology
Volume135
DOIs
Publication statusPublished - 2013 May 1

Fingerprint

Straw
fuel cell
straw
Fuel cells
electricity
rice
Electricity
Iron
iron
oxidation
Oxidation
Xylose
Lignin
Carbohydrates
lignin
carbohydrate
hydrolysis
Hydrolysis
Anodes
Biomass

Keywords

  • FeCl pretreatment
  • Ferric iron
  • Ferrous iron
  • Fuel cell
  • Rice straw

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Generation of electricity from FeCl3 pretreatment of rice straw using a fuel cell system. / Kim, Ilgook; Rehman, Muhammad Saif Ur; Kim, Kyoung Heon; Han, Jong In.

In: Bioresource Technology, Vol. 135, 01.05.2013, p. 635-639.

Research output: Contribution to journalArticle

Kim, Ilgook ; Rehman, Muhammad Saif Ur ; Kim, Kyoung Heon ; Han, Jong In. / Generation of electricity from FeCl3 pretreatment of rice straw using a fuel cell system. In: Bioresource Technology. 2013 ; Vol. 135. pp. 635-639.
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