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Title: Corrosion Of Furnace Heat Exchangers
Author: S. W. Khoo, F. D. Williamson
Source: American Gas Association 1976
Year Published: 1976
Abstract: The premature failure of furnace heat exchangers from rapid corrosion is becoming a prominent subject for intensive study because of the need to find a lasting solution to this recurrent problem. As a result of a series of complaints, the Canadian Gas Association in 1972 conducted a country wide survey to evaluate the performance of various types of heat exchangers to establish the reasons for the deterioration of different types of units. The purpose of this survey was to investigate all factors which have a bearing on corrosion. It was felt that to obtain reliable data to determine validity of complaints and the predominant causes of corrosion, direct field observation was necessary. Visits were made to many cities to inspect the affected heat exchangers in the homes and industrial sites. Information was also obtained from utilities, manufacturers and other sources. The results of all these findings were published in the Canadian Gas Association Research Report (1) in July, 1973.