脱シリカを抑制したイネワラの酸素-弱アルカリ系パルプ化法に関する研究

• 朴 承榮

  東京大学大学院農学生命科学研究科

• 幸田 圭一

  東京大学大学院農学生命科学研究科

• 松本 雄二

  東京大学大学院農学生命科学研究科

• 飯塚 尭介

  東京大学大学院農学生命科学研究科

• 飯山 賢治

  東京大学アジア生物資源環境研究センター

書誌事項

タイトル別名

• Oxygen-Weak Base Pulping of Rice Straw with Minimum Silica Removal

抄録

As we attempt to preserve forests and to decrease impact on environment, the development of novel technologies for the utilization of rice straw, especially to achieve complete delignification with minimum silica removal during its pulping, seems to be important and significant. It was examined whether or not oxygen-weak base pulping is useful for rice straw to control silica removal in this study. Delignification, silica removal and carbohydrate retention of rice straw during oxygen-sodium sulfite pulping and oxygen-ammonia pulping were compared with those during conventional alkaline pulping and oxygen-sodium hydroxide pulping. By an oxygen-sodium sulfite pulping of rice straw, sufficient delignification could be achieved without significant removal of silica into cooking liquor. The carbohydrate yield of oxygen-sodium sulfite pulping method was quite high (more than 80%) even when 95% of delignification was achieved, which is supported by the high retention of both cellulose and hemicellulose. In contrast to this, carbohydrate yield of oxygen-ammonia pulping was found to be rather low, even though high retention of silica was achieved. Low carbohydrate yield by this pulping was attributed to the significant degradation of both cellulose and hemicellulose.

収録刊行物

• 紙パ技協誌

  紙パ技協誌 54 (9), 1245-1251,039, 2000

  紙パルプ技術協会

キーワード

• A<SUB>6</SUB>非木材一般
• F<SUB>1</SUB>KP製造一般
• H<SUB>4</SUB>茎幹繊維 (竹わら, バガス)

詳細情報

• CRID: 1390001206518951680
• NII論文ID: 130003688607
• DOI: 10.2524/jtappij.54.1245
• ISSN: 18811000
• ISSN: 0022815X
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可