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Studies on slime-forming organisms of a paper mill--slime production and its control

DIR@IMTECH: CSIR-Institute of Microbial Technology

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Title Studies on slime-forming organisms of a paper mill--slime production and its control
 
Creator Chaudhary, A
Gupta, L.K.
Gupta, J.K.
Banerjee, U C
 
Subject QR Microbiology
 
Description Bacteria, yeast and filamentous fungi were isolated from various sites within a paper mill. Bacillus alvei and Aerobacter
aerogenes were the most prevalent contaminating bacteria. Maximum slime was produced by A. aerogenes
(4.2 mg ml-1) at pH 6.5 and by B. alvei (7.2 mg ml-1) at pH 7.5 in white water. The optimum temperature was 408C for
maximum slime production by both organisms. In the presence of levanase, a 25% reduction in dosages of a biocide
(BioplusÒ) was observed. Killing of A. aerogenes, which was achieved in 8 h with 20 ppm BioplusÒ, could be obtained
in 6 h with the combined use of levanase and a lower concentration of BioplusÒ (15 ppm). With B. alvei almost
the same inhibitory effect (4.22-log decrease) was obtained at 20 ppm BioplusÒ, and in combination with a lower
concentration of BioplusÒ (15 ppm) and enzyme. The paper properties did not show any adverse effect after treatment
with levanase and BioplusÒ.
 
Publisher Springer Science
 
Date 1997
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://crdd.osdd.net/open/767/1/banerjee1997.pdf
Chaudhary, A and Gupta, L.K. and Gupta, J.K. and Banerjee, U C (1997) Studies on slime-forming organisms of a paper mill--slime production and its control. Journal of Industrial Microbiology and Biotechnology, 18 (5). pp. 348-352. ISSN 1367-5435
 
Relation http://dx.doi.org/10.1038/sj.jim.2900393
http://crdd.osdd.net/open/767/