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Proceedings of an International Conference on Mitigation of Heat Exchanger Fouling and Its Economic and Environmental Implications

ISSN:
1-56700-172-6 (Print)

IMPLICATIONS OF VARIOUS DISPERSANTS ON BIOFILM CLEAN UP PROCESSES

E. S. Beardwood
Ashland Canada Inc. Ajax, Ontario LIS 2E5 CANADA

Jerry K. Therrien
Drew Industrial Division of Ashland Canada Inc. 525 Finley Avenue Ajax, Ontario, Canada LIS 2E5

Abstract

A microbiologically fouled industrial cooling water system was investigated utilizing a portable corrosion and fouling monitor according to the NACE RPO 189-95 Standard. Baseline data was established and at which time the monitor was subjected to various dispersants (3) typically used for organic and microbiological deposit removal. The results of this in-field, side stream, experiment on a dynamic system will be presented. A number of key points and factors influencing the performance of the foulant clean up will also be discussed.