Washing Deinking of Mixed Office Wastepaper As a New Resource for Electrical Purposed Paper

Abstract:

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In present time, recycled paper from xerographic and laser-printed wastepaper plays an important role as alternatives to paper from virgin pulp because of there good pulp quality and high amount of wastepaper each year. This type of paper is classified as Mixed Office Wastepaper (MOW). The xerographic and laser-printed inks are usually called “toner” that mainly consists of styrene-acrylate copolymer. This work investigated paper recycling by washing deinking processes. Experimental parameters were pulp consistencies, amounts and types of surfactant. The resultant pulp of 1.5%consistency and 0.9 wt% of nonionic surfactant, Triton X-100, is the optimum washing deinking process. The resultant pulps have optical and physical properties closed to non-printed paper. Surfactant concentrations were kept below CMC to provide low ink specks, high brigthness and strength on handsheets. The recycled pulp will be use as a raw material for electrical purpose paper.

Info:

Periodical:

Advanced Materials Research (Volumes 287-290)

Edited by:

Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li

Pages:

3024-3027

DOI:

10.4028/www.scientific.net/AMR.287-290.3024

Citation:

P. Chandranupap et al., "Washing Deinking of Mixed Office Wastepaper As a New Resource for Electrical Purposed Paper", Advanced Materials Research, Vols. 287-290, pp. 3024-3027, 2011

Online since:

July 2011

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Price:

$35.00

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