Biofilm formation on galvanized steel by SRB isolate obtained from cooling tower water

Derya Ozuolmez, A. Çotuk
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引用次数: 3

Abstract

In this study, we investigated biofilm formation on galvanized steel coupons by anaerobic bacteria isolate including sulphate-reducing bacteria (SRB) isolated from cooling tower water in a lab-scaled experimental setup. The test coupons were exposed to the culture of anaerobic bacteria isolate during 744 hours. In the course of time, anaerobic bacteria isolate could form biofilm on galvanized steel coupons. According to the statistical analyses, there was no significant difference between sessile and planktonic SRB counts, while a positive correlation was found out between SRB counts (P<0.01). Extracellular carbohydrate appeared to be degraded by bacteria culture in the test system. Keywords: Sulphate-reducing bacteria (SRB), cooling tower water, galvanized steel, biofilm.
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从冷却塔水中提取的SRB分离物在镀锌钢板上形成生物膜
在这项研究中,我们在实验室规模的实验装置中研究了从冷却塔水中分离的厌氧细菌(包括硫酸盐还原细菌(SRB))在镀锌钢板上形成的生物膜。试验片暴露于厌氧细菌分离物培养744小时。随着时间的推移,分离出的厌氧细菌可在镀锌钢板表面形成生物膜。经统计分析,固定式和浮游生物的SRB计数无显著差异,两者呈显著正相关(P<0.01)。细胞外碳水化合物似乎在测试系统中被细菌培养降解。关键词:硫酸盐还原菌,冷却塔水,镀锌钢,生物膜
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