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Application of Six Sigma in Optimization of the Dosage of Dry Strength Agent for Production of White Top Linerboard
Received:March 08, 2024  
DOI：10.11980/j.issn.0254-508X.2024.08.023
Key Words:six sigma  white top linerboard  dry strength agent
Author NameAffiliationPostcode
YANG Xue Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
JIA Wenling* Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
WANG Chao Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
SHAO Guangyun Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
XIE Jing Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
WANG Yi Shandong Century Sunshine Paper Group Co.， Ltd.， Weifang， Shandong Province， 262400 262400
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Abstract:The article aimed to reduce the dosage of enhancing auxiliary materials， and explored the methods to decrease the dosage of dry strength agents and improve the pulping and papermaking process in the production of white top linerboard. Six Sigma tool was used to analyze and verify the factors affecting the dosage of dry strength agents， and process parameters were optimized by conducting DOE （Design of Experiments） test designs for key factors， after optimization， there were a reduction of 7 kg of dry strength agents per ton of paper， a cost reduction of 19 RMB per ton of paper， and an annual cost saving of 1 million RMB on the production line.
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