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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Utilization of Paper Sludges for Developing Bed Soils and Seedling Pots (I) - Physico-chemical analysis of paper sludges -

상토 및 육묘 포트의 개발을 위한 제지 슬러지의 이용 (제1보) - 제지 슬러지의 물리.화학적 분석 -

  • Kim, Chul-Hwan (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Kim, Gyeong-Yun (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Sin, Tae-Gi (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Jung, Ho-Gyeong (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Lee, Young-Min (Dept. of Forest Sciences/IALS, Gyeongsang National Univ.) ;
  • Song, Dae-Bin (Dept. of Bio-Industrial Machinery Engineering, Gyeongsang National Univ.) ;
  • Huh, Moo-Ryong (Dept. of Horticulture, Gyeongsang National Univ.)
  • 김철환 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 김경윤 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 신태기 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 정호경 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 이영민 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 송대빈 (경상대학교 생물산업기계공학과/농업생명과학연구원) ;
  • 허무룡 (경상대학교 원예학과/농업생명과학연구원)
  • Published : 2007.12.31
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Abstract

Paper sludges collected from three different paper mills were physico-chemically analyzed in order to use them as raw materials for making bed soils and seedling pots. The sludge from a fine paper mill contained lots of inorganic pigment particles used for coating, as those from a newsprint mill and a tissue mill had not. It was clearly through XRD analysis confirmed that all sludges included calcium carbonate. The paper sludge from the tissue mill contained the greatest amount of particles, which would contribute to water absorption and nutrient storage. The sludge from the fine paper mill had the highest density due to many inorganic elements. While the ash content and the total nitrogen content were the highest in the sludge from the fine paper mill, the C/N ratio was the lowest in the fine paper mill sludge. All sludges seemed to have insufficient contents of potassium. The sludges from the newsprint mill and the tissue mill showed more silicon contents than that from the fine paper mill. It was concluded that the sludge from the fine paper mill would be able to be the most efficient raw materials for making bed soils and seedling pots and the other two sludges would be more efficient for intensive culture for crops such as rice and grain with additional supplement of nitrogen and other nutrients.

Keywords

References

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