Development of Drying Energy Saving Technology of Paperboard by Applying Precipitated Calcium Carbonate Made from Oyster-Shell Byproducts

Soo Hyun Lee; Hae Min Jo; Ji Young Lee; Jin Uk Lee

doi:10.7584/JKTAPPI.2023.4.55.2.39

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2023 Vol.55, Issue 2 Preview Page Next Page

Research Article

Development of Drying Energy Saving Technology of Paperboard by Applying Precipitated Calcium Carbonate Made from Oyster-Shell Byproducts 굴 패각 부산물 유래 탄산칼슘 적용에 따른 산업용지의 건조에너지 절감 기술 개발

30 April 2023. pp. 39-47

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Abstract

In this study, we aimed to identify the possibility of the internal application of a precipitated calcium carbonate made from oyster shell byproducts (O-shell PCC) for reducing the drying energy in paperboard mills. The micro-fibrillated cellulose (MFC) was also applied to improve the strength of the paperboard containing O-shell PCC. The O-shell PCC was classified through an 80 mesh screen and then its SEM image, particle size, and zeta potential were analyzed. After the MFC was prepared by micro-grinding hardwood bleached kraft pulp (Hw-BKP), its particle size, viscosity, and fiber width were also measured. The O-shell PCC and MFC were added to the Korean old corrugated container (KOCC) stock to prepare handsheets, and their physical properties and drying energy reduction were measured to determine the effect of the O-shell PCC and MFC on the drying energy saving. The O-shell PCC was effective to improve the bulk and drying energy reduction of handsheets, but the strengths decreased. The MFC was effective in improving the strength, but more drying energy was required as the addition of MFC increased due to its hydrophilic property. In addition, the application of the PCC and MFC, which had not been used in paperboard mills, could increase the production cost. However, the reduced cost of drying energy was estimated to be more than the increased cost of PCC and MFC at the optimum dosage (6% O-shell PCC and 0.2% MFC on o.d. fiber). Therefore, it was concluded that the combination of O-shell PCC and MFC could be effective in saving drying energy in paperboard mills.

Keywords

Oyster shell byproduct

precipitated calcium carbonate (PCC)

micro-fibillated cellulose (MFC)

bulk

drying energy reduction

paper strength

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Information

Publisher :Korea Technical Association of The Pulp and Paper Industry
Publisher(Ko) :한국펄프종이공학회
Journal Title :Journal of Korea TAPPI
Journal Title(Ko) :펄프종이기술
Volume : 55
No :2
Pages :39-47
Received Date : 2023-03-26
Revised Date : 2023-04-21
Accepted Date : 2023-04-23
DOI :https://doi.org/10.7584/JKTAPPI.2023.4.55.2.39

Journal of Korea TAPPI ISSN:0253-3200(Print) 펄프종이기술

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