Dynamic Simulation and Influencing Factors Analysis of Biofouling

Abstract:

The formation of fouling in stainless steel tube was simulated in the existence of both sulfate-reducing bacteria and iron bacteria under the experimental conditions of the water temperature 30±0.2^°C and velocity of 0.4m/s with the dynamic simulation apparatus of shell-and-tube circulating cooling water. The paper studied the relation between water quality parameters and formation of fouling, such as Fe²⁺ concentration, CODcr and the total number of bacteria. The experimental results showed that: the main reason of the fouling resistance increase was the presence of sulfate-reducing bacteria and iron bacteria. The interaction between iron bacteria and sulfate-reducing bacteria accelerated the formation of biofouling. The influence of each parameter codetermined the formation of microbial fouling.

• Periodical: Advanced Materials Research (Volumes 724-725)
• Pages: 1276-1281
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.724-725.1276
• Online since: August 2013
• Authors: Da Cheng Wang, Cai Fu Qian, Sheng Xian Cao, Yang Liu, Jia Wei Sun
• Keywords: Biofouling, Dynamic Simulation, Iron Bacteria, Sulfate-Reducing Bacteria (SRB), Water Quality Parameters

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