Comparing the Performance of the Combination of Surfactant and Soap  in Wastepaper Deinking

Jahan Latibari, Ahmad; Jamail, Reza; Roohnia, Mehran

doi:10.22092/ijwpr.2015.11902

Document Type : Research Paper

Authors

¹ Professor, Department of Wood and Paper Sciences and Technology, College of Agriculture and Natural Resources, Karaj Branch, Islamic Azad University, Karaj, Iran

² M.Sc., Department of Wood and Paper Sciences and Technology, College of Agriculture and Natural Resources, Karaj Branch, Islamic Azad University, Karaj, Iran

³ Associate Prof., Department of Wood and Paper Sciences and Technology, College of Agriculture and Natural Resources, Karaj Branch, Islamic Azad University, Karaj, Iran

https://doi.org/10.22092/ijwpr.2015.11902

Abstract

The influence of different dosages of surfactant and soap in the deinking of wastepaper is investigated. The results showed that the dosage of 0.25% soap generated highest brightness and lowest opacity. However, the dosage of 0.75% soap produced highest tensile and burst strength and 0.5% soap produced the lowest spec (dirt) index. In the case of surfactant application, the dosage of 0.75% surfactant produced highest brightness and 0.5% surfactant generated lowest opacity. Application of 0.5% surfactant showed highest tensile and burst strength and lowest dirt index. The combined effect of both chemicals showed that the combined dosage of 0.75% surfactant and 0.25% soap produces highest brightness but the dosage of 0.25% surfactant without soap produced lowest opacity. Highest tensile and burst strength was related to pulp deinked using 0.5% surfactant and 0.75% soap. The results indicated that the combination of 0.75% surfactant and 0.25% soap generated highest brightness which the important property of the writing and printing paper. The highest tensile and burst strength was measured in deinked pulp produced using 0.5% surfactant and 0.75% soap.

Keywords

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Iranian Journal of Wood and Paper Science Research

Comparing the Performance of the Combination of Surfactant and Soap in Wastepaper Deinking

References

References

Volume 30, SPRING 1 - Serial Number 50
May 2015
Pages 26-36

Comparing the Performance of the Combination of Surfactant and Soap in Wastepaper Deinking

References

References

Volume 30, SPRING 1 - Serial Number 50May 2015Pages 26-36

Volume 30, SPRING 1 - Serial Number 50
May 2015
Pages 26-36