Enzymatic versus chemical deinking of non-impact ink printed paper

Enzymatic versus chemical deinking is examined for MOW and photocopy prints. Several enzymatic preparations and two fibre/ink particle separation methods are tested. Deinking was monitored by image analysis and standard pulp and paper characterisation procedures. The effectiveness of the fibre/ink p...

Full description

Saved in:
Bibliographic Details
Published in:Journal of biotechnology 2004-02, Vol.108 (1), p.79-89
Main Authors: Pala, H, Mota, M, Gama, F.M
Format: Article
Language:English
Subjects:
Biodegradation, Environmental
Biological and medical sciences
Biotechnology
Cellulase - chemistry
Conservation of Natural Resources
Deinking
Enzyme Stability
Enzymes
Fundamental and applied biological sciences. Psychology
Image analysis
Image Processing, Computer-Assisted
Ink
inks
Models, Biological
Non-impact inks
Paper pulps
Particle Size
Printing
Refuse Disposal
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Enzymatic versus chemical deinking is examined for MOW and photocopy prints. Several enzymatic preparations and two fibre/ink particle separation methods are tested. Deinking was monitored by image analysis and standard pulp and paper characterisation procedures. The effectiveness of the fibre/ink particle separation method depends on the ink particle’s size: for smaller particles a washing step is recommended whereas for larger particles, the use of flotation is necessary. The enzymatic treatment is a competitive alternative for MOW and photocopy paper deinking. However, the process requires the selection of an adequate enzymatic preparation for each paper grade.
ISSN:0168-1656
1873-4863
DOI:10.1016/j.jbiotec.2003.10.016