Great potency of seaweed waste biomass from the carrageenan industry for bioethanol production by peracetic acid-ionic liquid pretreatment

Uju, Agung Tri Wijayanta, Masahiro Goto, Noriho Kamiya

研究成果: ジャーナルへの寄稿学術誌査読

39 被引用数 (Scopus)

抄録

Seaweed waste biomass from the carrageenan industry (SWBC) is a potential biomass feedstock for producing sustainable biofuel because it increases the product value and reduces the pollutant risk. Peracetic acid (PAA) followed by ionic liquid (IL) pretreatment has been used to increase the enzymatic saccharification of pretreated SWBC. The SWBC cellulose content was comparable with that of terrestrial biomasses. PAA+1-hexylpyridinium chloride ([Hpy][Cl]), and PAA+1-ethyl-3-methylimidazolium diethylphosphate ([Emim][DEP]) pretreatments produced saccharide and unknown oligosaccharide fractions in regenerated water (~4-6% SWBC cellulose content). For 48h of saccharification, the untreated SWBC and the SWBC pretreated using PAA followed by [Hpy][Cl], [Emim][DEP] or 1-ethyl-3-methylimidazole acetate ([Emim][OAc]) produced cellulose conversions of 77, 91, 84 and 62%, respectively. The untreated SWBC had a high cellulose conversion, which may be caused by the low lignin and hemicellulose contents of the SWBC. PAA+IL pretreatment could yield pretreated SWBCs with more amorphous cellulose structures, which lead to an almost-complete cellulose conversion.

本文言語英語
ページ(範囲)63-69
ページ数7
ジャーナルBiomass and Bioenergy
81
DOI
出版ステータス出版済み - 10月 1 2015

!!!All Science Journal Classification (ASJC) codes

  • 林業
  • 再生可能エネルギー、持続可能性、環境
  • 農業および作物学
  • 廃棄物管理と処理

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