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Factors Affecting the Retention of Calcium Carbonate in Reconstituted Tobacco Sheets
Received:September 14, 2024  Revised:November 13, 2024
DOI：10.11981/j.issn.1000-6842.2025.04.177
Key Words:reconstituted tobacco sheets;calcium carbonate;retention;beating degree
Fund Project:江苏中烟工业有限责任公司科技项目（Z202229）。
Author NameAffiliationPostcode
ZHU Yafeng* Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
ZHANG Yujuan Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
XIONG Dang’an Technology Center of China Tobacco Jiangsu Industrial Co.， Ltd.， Nanjing， Jiangsu Province， 210011 210011
WANG Keqing Technology Center of China Tobacco Jiangsu Industrial Co.， Ltd.， Nanjing， Jiangsu Province， 210011 210011
ZHANG Hechuan Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
YUAN Guangxiang* Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
SHEN Xiaochen* Technology Center of China Tobacco Jiangsu Industrial Co.， Ltd.， Nanjing， Jiangsu Province， 210011 210011
QIN Yanhua Technology Center of China Tobacco Jiangsu Industrial Co.， Ltd.， Nanjing， Jiangsu Province， 210011 210011
YUAN Yangchun Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
YANG Yuanzheng Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
CHEN Yixian Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
WANG Haiyan Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
ZHU Jiuqing Jiangsu Xinyuan Reconstituted Tobacco Co.， Ltd.， Huai’an， Jiangsu Province， 223002 223002
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Abstract:
      To investigate the influencing factors on the retention performance of calcium carbonate in reconstituted tobacco sheets， this study employed CO₂-treated ion chromatography to measure the calcium carbonate content in base sheets produced via different papermaking processes. Subsequently， the study analyzed the effects of calcium carbonate addition ratio， fiber beating degree， pulp blending process， and other factors on calcium carbonate retention and the physical properties of the base sheets. The results showed that as the calcium carbonate addition ratio increased from 5% to 20%， its retention rate dropped by 58.7%. Meanwhile， compared to base sheets without calcium carbonate addition， the bulk rose by 7.3%， while the tensile index declined by 13.1%. As the proportion of tobacco fine pulp in the tobacco pulp blend rose from 10% to 90%， the calcium carbonate retention rate decreased by 23.1%. When the beating degree of the tobacco pulp increased from 23 °SR to 71 °SR， the calcium carbonate retention rate rose by 54.9%. As the addition ratio of external fibers increased from 0 to 20%， the calcium carbonate retention rate improved by 29.5%； when the beating degree of external fibers increased from 26 °SR to 76 °SR， the calcium carbonate retention rate first increased and then decreased. As the guar gum addition ratio increased from 0 to 0.3%， the calcium carbonate retention rate surged by 236.1%， while the bulk and tensile index of the base sheets decreased by 5.7% and 28.1%， respectively. Additionally， as the basis weight of the base sheets increased from 48.7 g/m² to 84.4 g/m²， the calcium carbonate retention rate first rose and then declined， the bulk dropped by 36.8%， and the tensile index increased by 46.6%.
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