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Magazine articles
Alkaline advance helps liquid packaging board meet rigorous specifications, TAPPI JOURNAL, April 1991, Vol. 74(4)
Alkaline advance helps liquid packaging board meet rigorous specifications, TAPPI JOURNAL, April 1991, Vol. 74(4)
Magazine articles
Biomass gasification project gets funding to solve black liquor safety and landfill problems, TAPPI JOURNAL, February 1991, Vol. 74(2)
Biomass gasification project gets funding to solve black liquor safety and landfill problems, TAPPI JOURNAL, February 1991, Vol. 74(2)
Magazine articles
Corrosion-resistant coatings for recovery boiler ductwork, TAPPI JOURNAL, June 1991, Vol. 74(6)
Corrosion-resistant coatings for recovery boiler ductwork, TAPPI JOURNAL, June 1991, Vol. 74(6)
Magazine articles
A waste management program for paper mill sludge high in ash, TAPPI JOURNAL, April 1990, Vol. 73(4)
A waste management program for paper mill sludge high in ash, TAPPI JOURNAL, April 1990, Vol. 73(4)
Magazine articles
The valmet tail shooter and tail blower improve safety and boost productivity, TAPPI JOURNAL, April 1990, Vol. 73(4)
The valmet tail shooter and tail blower improve safety and boost productivity, TAPPI JOURNAL, April 1990, Vol. 73(4)
Magazine articles
1989 Finishing and converting conference sessions generate interest, TAPPI JOURNAL, January 1990, Vol. 73(1)
1989 Finishing and converting conference sessions generate interest, TAPPI JOURNAL, January 1990, Vol. 73(1)
Magazine articles
1990 Papermakers conference draws 1040 registrants to hear presentations about all aspects of papermaking, TAPPI JOURNAL, July 1990, Vol. 73(7)
1990 Papermakers conference draws 1040 registrants to hear presentations about all aspects of papermaking, TAPPI JOURNAL, July 1990, Vol. 73(7)
Journal articles
Magazine articles
Application of fuzzy TOPSIS in the Analyze phase of the DMAIC cycle to aid decision-making, TAPPI Journal April 2020
ABSTRACT: This paper reports the use of multicriteria analysis in the Analyze phase of the DMAIC (Define-Measure-Analyze-Improve-Control) cycle for continuous improvement. The research was carried out in a tissue paper factory located in southern Brazil. A sample of 64 parts of 16 different reels of recycled paper was used. A problem regarding paper quality variability was detected, presenting a scrap index ranging between 9% and 23%, compromising machine productivity and product sales. This motivated the implementation of a structured project supported by the application of the DMAIC cycle. The project team (machine operators, maintenance staff, supervisor, and data analyst) defined the evaluation criteria and determined the control intervals and their equivalence with linguistic variables to support the necessary evaluations for the application of fuzzy TOPSIS (Technique for Order of Preference by Similarity to Ideal Solution). The criteria were C1-Longitudinal Strength (Kgf), C2-Longitudinal Elongation (mm), C3-Cross-strength (kgf), C4-Cross-elongation (mm), C5-Weight (g/m²), and C6-Humidity (%). The results showed that samples with the same ranking had the lowest scrap indexes in the subsequent process. Also, the criterion C5 had a more significant impact on the quality of the product than the other criteria, which was determined from the DMAIC sequence. Improvements related to C5 should be prioritized. The fuzzy TOPSIS method presented is a flexible tool, adapting itself to the solution of the problem and contributing to the decision-making process.
Journal articles
Magazine articles
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018
Impact of fiber structure on edge-wicking of highly-sized paperboard, TAPPI JOURNAL August 2018
Magazine articles
A financial analysis of north american pulp and paper companies, TAPPI JOURNAL, July 2000, Vol. 83(7)
A financial analysis of north american pulp and paper companies, TAPPI JOURNAL, July 2000, Vol. 83(7)