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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Study on the Application of Inorganic Byproduct from Fertilizer Manufacture Process as an Alternative Filler

폐기 무기 부산물의 제지용 충전제로의 활용성 평가 연구

  • 이지영 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 이은규 (에스엘) ;
  • 이도엽 (에스엘) ;
  • 윤경태 (에스엘) ;
  • 성용주 (충남대학교 환경소재공학과) ;
  • 최재성 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 김다미 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 김병호 (경상대학교 임산공학과/농업생명과학연구원) ;
  • 임기백 (경상대학교 임산공학과/농업생명과학연구원)
  • Received : 2012.02.06
  • Accepted : 2012.02.21
  • Published : 2012.02.28
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Abstract

In this study, we investigated the possible use of a new inorganic material as alternative filler in the paper industry. The inorganic material is a mineral composed of calcium sulfate, that is generated when manufacturing phosphate fertilizer. The inorganic material was dehydrated by the thermal treatment to $200^{\circ}C$, $500^{\circ}C$, $700^{\circ}C$, and $900^{\circ}C$ to prepare white filler powders. Their basic properties, including color, particle shape, elements, and average particle size were identified. To determine the effect of new inorganic filler on paper's physical properties and strength, handsheets were prepared from HwBKP, SwBKP, and thermal treated inorganic fillers. Handsheets' ISO brightness, opacity, bulk, breaking length, and stiffness were measured. Results confirmed that thermal treated inorganic filler could be beneficial to the bulk and opacity of paper while maintaining higher level of breaking length and stiffness that is achieved using talc.

Keywords

References

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