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Author:

Xu, Zhiming (Xu, Zhiming.) | Wang, Jingtao (Wang, Jingtao.) | Jia, Yuting (Jia, Yuting.) | Han, Zhimin (Han, Zhimin.)

Indexed by:

EI PKU CSCD

Abstract:

In order to study the characteristics of composite microbial fouling and the method of restraining fouling in the future,we chose iron bacteria (IB)and slime-forming bacteria(SFB)as the research objects which are the most common in microbial fouling. An experimental study was carried out on the plate heat exchanger for the relationship of the two bacteria in the composite microbial fouling formation and the fouling characteristics under different conditions. The results show that the microbial fouling has obvious induction period. The asymptotic value of fouling resistance of the iron bacteria is 2×10-4m2·K/W,and the asymptotic value of fouling resistance of the slime-forming bacteria is 1.2×10-4 m2·K/W. The iron bacteria have strong ability of fouling formation than the slime-forming bacteria. The fouling resistance of mixed bacteria with the proportion 1:1 is between the two above. No matter what kind of bacteria occupy the main volume,synergistic effects between the two kinds of bacteria prompt the ability of the fouling formation. The asymptotic values of fouling resistance of the mixed bacteria in 30 is lower than it in 35,and the time get to stabilization is twice that of 35. The velocity has obvious effect on the composite microbial fouling characteristics. The asymptotic values of fouling resistance of the mixed bacteria in 0.1m/s is twice that of 0.15m/s,and the time get to stabilization is 2.7 times that of 0.15m/s. © 2016, Chemical Industry Press. All right reserved.

Keyword:

Biofilms Iron Stabilization Mixtures Heat exchangers Fouling Bacteria Iron research

Author Community:

  • [ 1 ] [Xu, Zhiming]School of Energy and Power Engineering, Northeast Dianli University, Jilin; Jilin; 132012, China
  • [ 2 ] [Wang, Jingtao]School of Energy and Power Engineering, Northeast Dianli University, Jilin; Jilin; 132012, China
  • [ 3 ] [Jia, Yuting]College of Environmental and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Han, Zhimin]School of Energy and Power Engineering, Northeast Dianli University, Jilin; Jilin; 132012, China

Reprint Author's Address:

  • [wang, jingtao]school of energy and power engineering, northeast dianli university, jilin; jilin; 132012, china

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Source :

Chemical Industry and Engineering Progress

ISSN: 1000-6613

Year: 2016

Issue: 11

Volume: 35

Page: 3447-3453

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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