MIC in Circulating Cooling Water System

Ping Xu, Zhaoyi Xu, Jin Wang, Yajun Zhang, Li Zhang

Key Laboratory of Urban Stormwater System and Water Environment (Beijing University of Civil Engineering and Architecture), Ministry of Education, Beijing, China.
School of Civil Engineering and Architecture, Beijing Jiaotong University, Beijing, China.

DOI: 10.4236/jwarp.2012.44022                

Abstract

MIC is one of the main problems of circulating cooling water system. The direct economic loss by MIC is about 300 to 500 billion dollars. It is good to understand MIC in order to control MIC. Source and species of microorganisms was introduced firstly. There are three kinds of microorganisms in the system, including bacteria, fungi and algae. Species of these microorganisms are shown in the paper. Then, mechanisms of MIC are analysed. Although there is no universal mechanism of MIC, MIC is still mainly an electrochemical corrosion in nature. Meanwhile, the mechanisms on SRB and iron bacteria are introduced in details. At last, several methods of microorganisms control are put forward in the paper.

Keywords

Circulating Cooling Water System; MIC; Microorganisms Species; Mechanism Of MIC; Control Methods

Conflicts of Interest

The authors declare no conflicts of interest.

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