Biorefinery of instant noodle waste to biofuels

Xiaoguang Yang, Sang Jun Lee, Hah Young Yoo, Han Suk Choi, Chulhwan Park, Seung Wook Kim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Instant noodle waste, one of the main residues of the modern food industry, was employed as feedstock to convert to valuable biofuels. After isolation of used oil from the instant noodle waste surface, the starch residue was converted to bioethanol by Saccharomyces cerevisiae K35 with simultaneous saccharification and fermentation (SSF). The maximum ethanol concentration and productivity was 61.1g/l and 1.7g/lh, respectively. After the optimization of fermentation, ethanol conversion rate of 96.8% was achieved within 36h. The extracted oil was utilized as feedstock for high quality biodiesel conversion with typical chemical catalysts (KOH and H2SO4). The optimum conversion conditions for these two catalysts were estimated; and the highest biodiesel conversion rates were achieved 98.5% and 97.8%, within 2 and 3h, respectively. The high conversion rates of both bioethanol and biodiesel demonstrate that novel substrate instant noodle waste can be an attractive biorefinery feedstock in the biofuels industry.

Original languageEnglish
Pages (from-to)17-23
Number of pages7
JournalBioresource Technology
Volume159
DOIs
Publication statusPublished - 2014 Jan 1

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Biofuels
Biodiesel
biofuel
Feedstocks
Bioethanol
Fermentation
fermentation
ethanol
Ethanol
catalyst
Saccharification
Catalysts
food industry
oil
Starch
Oils
starch
Yeast
Industry
Productivity

ASJC Scopus subject areas

  • Bioengineering
  • Environmental Engineering
  • Waste Management and Disposal

Cite this

Biorefinery of instant noodle waste to biofuels. / Yang, Xiaoguang; Lee, Sang Jun; Yoo, Hah Young; Choi, Han Suk; Park, Chulhwan; Kim, Seung Wook.

In: Bioresource Technology, Vol. 159, 01.01.2014, p. 17-23.

Research output: Contribution to journalArticle

Yang, Xiaoguang ; Lee, Sang Jun ; Yoo, Hah Young ; Choi, Han Suk ; Park, Chulhwan ; Kim, Seung Wook. / Biorefinery of instant noodle waste to biofuels. In: Bioresource Technology. 2014 ; Vol. 159. pp. 17-23.
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