Journal of Korea Technical Association of The Pulp and Paper Industry (펄프종이기술)

Korea Technical Association of the Pulp and Paper Industry (한국펄프종이공학회)
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Sugar Extraction by Pretreatment and Soda Pulping From Cattail (Typha latifolia L.) (1) Extraction of Sugar

부들의 전처리를 통한 당의 추출과 소다펄프화에 관한 연구 (1) 당 추출

  • Lee, Sung-Eun (Nanotoxtec Co., Kyunggi Techno-park, Advanced Technology Center) ;
  • Kim, Wan-Jung (Department of Bio-based Materials, Chungnam National University) ;
  • Son, Mi-Kyung (Nanotoxtec Co., Kyunggi Techno-park, Advanced Technology Center) ;
  • Seo, Yung-Bum (Department of Bio-based Materials, Chungnam National University)
  • Received : 2010.06.01
  • Accepted : 2010.06.21
  • Published : 2010.06.30
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Abstract

Cattail (Typha L.) was used as a raw material for producing both bio-ethanol and pulp for papermaking at the same time. Pretreatments of cattail stems and leaves with acid ($H_2SO_4$) and alkali (NaOH) in three different addition levels were studied before soda pulping. The acid pretreatment gave reducing sugar of 15.2% of initial weight, but alkali pretreatment close to 1%. Soda pulping of the pretreated cattail gave 3% reduction in pulp yield and less bonding properties in paper; however, refining of the pulp from the pretreated cattail with alkali restored their fiber bondings up to that of the pulp from no-pretreated cattail at equivalent freeness.

Keywords

References

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