1 AIT Asian Institute of Technology

Non-chemical recycling of MOW by fractionation

AuthorTunchira Bunyaphiphat
Call NumberAIT Thesis no.PP-10-05
Subject(s)Waste paper--Recycling

NoteA thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Pulp and Paper Technology
PublisherAsian Institute of Technology
Series StatementThesis ; no. PP-10-05
AbstractThere is a possible way to recycle MOW paper without using any chemical. The evidently method is the fractionation. Most of the fused toner ink from electrophotography print was separated together with long fiber by the 30 mesh screen at the first tank of the Bauer McNett classifier. The brightness and ERIC value were determined. The brightness of pulp which collected from the following tanks (50, 100 and 200) reached over 90% ISO and the ERIC values were lower than 60. There are no differences between recycling of Laser printed, Copy printed and mixed printed waste paper. Pre - washing and deinking insisted the better result for brightness, but there are not significant. Homogenizing process can reduce the mobility tiny ink particles; therefore better in brightness and ERIC value of the pulp especially from last tank (200 mesh screen). The phenomena can be explained; the swelled paper after soaking were broken by shear force during disintegrating. The enduring printed areas that binding toner ink and fiber and long fiber could not pass through the screen while medium and short fiber passed to the following tanks. The method for long fiber deinking is on trial
Year2010
Corresponding Series Added EntryAsian Institute of Technology. Thesis ; no. PP-10-05
TypeThesis
SchoolSchool of Environment, Resources, and Development
DepartmentDepartment of Food, Agriculture and Natural Resources (Former title: Department of Food Agriculture, and BioResources (DFAB))
Academic Program/FoSPulp and Paper Technology (PP)
Chairperson(s)Nazhad, Mousa M.
Examination Committee(s)Joshi, Lalita;Somporn Chaiarrekij
Scholarship Donor(s)RTG Fellowship
DegreeThesis (M.Sc.) - Asian Institute of Technology, 2010


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