Paper Title:
Experimental Study on Dynamic Simulation of Circulating Cooling Water Biofouling
  Abstract

To study the formation mechanism and the chemical component of biofouling, the biofouling formation was simulated by the dynamic simulation device of circulating cooling water under the constant condition of 30°C and 0.4 m/s. The slime-forming bacteria and Iron Bacteria were selected as the research subject. Adsorption theory of bacteria in the solid/liquid interface was analyzed by colloidal stability theory. The two kinds of bacteria on heat transfer and the relationship between the total number of bacteria and fouling resistance were studied. The main component of biofouling was characterized using XPS. The results show that Iron Bacteria on the negative effects of heat transfer is greater than the slime-forming bacteria. The total number of bacteria is the maximum in the end of the induction period. The main component of biofouling of the slime-forming bacteria of iron bacteria is C, O, N, Fe, Ca, Mg, etc. The major elements of the ratio in different strains exists diversity in the stainless steel heat exchanger, but the most important elements is carbon and oxygen.

  Info
Periodical
Advanced Materials Research (Volumes 233-235)
Edited by
Zhong Cao, Lixian Sun, Xueqiang Cao, Yinghe He
Pages
1040-1043
DOI
10.4028/www.scientific.net/AMR.233-235.1040
Citation
S. X. Cao, Y. H. Zhang, Y. Liu, "Experimental Study on Dynamic Simulation of Circulating Cooling Water Biofouling", Advanced Materials Research, Vols. 233-235, pp. 1040-1043, 2011
Online since
May 2011
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Price
$32.00
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