Investigation of the microbial harbouring quality of stainless and galvanized steel, fibreglass and plastic drains and various drain designs in a food or beverage processing environment

Wastewater drains and drainage systems have been identified as a potential source of microbial contamination in animal, food and beverage processing facilities, which potentially lead to contamination of product and negative downstream public health and economic consequences. Of particular concern are well-known food borne pathogens Listeria monocytogenes and Salmonella, which form biofilms on surfaces that allow the organisms to be more resistant to washing and antimicrobials. The ability of various different stainless steel drains and drainage systems to harbour foodborne pathogens and bacteria will be assessed and compared to that of commonly-used drains and drainage systems. The wastewater from hog processing, chicken abattoir, and fermented beverage facilities are to be assessed for microorganisms including Listeria monocytogenes, Salmonella, coliforms, yeast and mold and aerobic counts.

Faculty Supervisor:

Peter Jones


Xiang Chen


Slot Drain Systems Ltd


Food science






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