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Cleaning Effect of Papermaking Felt with Enzymes  

Yoon, Byung-Tae (KRICT, Advanced Chemical Technology Div.)
Kim, Seong-Bo (KRICT, Advanced Chemical Technology Div.)
Eom, Tae-Jin (Dept. of Wood Sci. and Tech. Kyungpook Nat'l Univ.)
Choi, Myoung-Jae (KRICT, Advanced Chemical Technology Div.)
Publication Information
Journal of Korea Technical Association of The Pulp and Paper Industry / v.37, no.3, 2005 , pp. 17-22 More about this Journal
Abstract
The cleaning efficiency of papermaking felt which is contaminated with fiber fines and various micro-materials was investigated and compared between the application of enzyme and commercial detergent. It was found that the cleaning efficiency by the treatment of acidic-based detergent was more efficient than that of alkaline-based one in the conventional commercial detergent. it was also observed that the treatment design of first acidic-based detergent treatment to second alkaline-based detergent procedure was better in the cleaning efficiency, compared to alkaline based-to-acidic based one. The cleaning property of felt with enzyme was resulted in good cleaning efficiency, without any addition of surfactant. Especially, the enzyme treatment under alkaline condition (pH 10) showed a better cleaning result than that under acidic condition(pH 5). The addition of nonionic surfactant to the enzyme increased the cleaning efficiency of felt and decreased the cationic demand of wastewater. These results showed more favour than the application of conventional commercial detergent.
Keywords
felt; enzyme; detergent; contaminants; nonionic surfactant;
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