Proceedings of the Korea Concrete Institute Conference (한국콘크리트학회:학술대회논문집)

Korea Concrete Institute (한국콘크리트학회)
권호 표지

Preparation of Concrete Admixtures from Pine Bark Wasts(I) - Optimal Sulfonation of Bark Components -

폐 소나무 수피로부터 콘크리트 혼화제의 제조(I) - 수피성분의 최적 설폰화조건 -

  • 문성필 (전북대학교 임산공학과 부교수(전북대학교 농업과학 기술연구소)) ;
  • 박성천 (전북대학교 임산공학과 대학원생) ;
  • 소양섭 (전북대학교 건축공학과)
  • Published : 1998.04.01
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Abstract

Pine bark waste was delignified with various sulfite liquors in order to use its spent liquor as concrete additives. The bark was easily deliginfied in alkaline sulfite-anthraquinone(ASAQ) cooking, resulting in more than 90% delignification. The dispersing ability of the ASAQ spent liquor was almost equivalent to or better than that of the commercial wood lignosufonate(CSL), Sanflo R.

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