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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Performance of Cationic Guar Gums in Closed Papermaking Systems

고폐쇄화 제지공정에서의 양이온성 구아 검 활용 효과

  • Ham, Choong-Hyun ;
  • Lee, Hak-Lae (Dept. of Forest Sciences and Research Institute for Agriculture and Life Sciences, Seoul National University)
  • 함충현 (주식회사 대상) ;
  • 이학래 (서울대학교 농업생명과학대학 산림과학부 및 농업생명과학연구원)
  • Published : 2008.09.30
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Abstract

The efficiency of retention systems including compozil-G, hydrocol, compozil-S, and micropolymer under highly closed papermaking system was evaluated using contaminated white waters prepared in the laboratory. Compozil-G and compozil-S performed better in retention than hydrocol and micropolymer systems. This suggested that stronger hydrogen bonding between fiber and guar gum or starch was formed to give stronger flocculation and better retention. Especially compozil-G outperformed compozil-S in retention, and this indicated the presence of stronger interaction between guar and cellulose fibers probably due to their similarity in chemical structure. Two compozil retention systems decreased the cationic demand and COD more effectively than hydrocol and microparticle systems. In particular, compozil-G that uses guar gum was highly effective in decreasing anionic trashes at low dosage.

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References

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