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Abstract
This article examines the cost competitiveness of the food irradiation process. An analysis of the principal factors — the product, physical plant, irradiation source, and financing — that impact on cost is made. Equations are developed and used to calculate the size of the source for planned product throughput, efficiency factors, power requirements, and operating costs of sources, radionuclides, and accelerators. Methods of financing and capital investment are discussed. A series of tables show cost breakdowns of sources, buildings, equipment, and essential support facilities for both a cobalt‐60 and a 10‐MeV electron accelerator facility. Additional tables present irradiation costs as functions of a number of parameters — power input, source size, dose, and hours of annual operation. The use of the numbers in the tables are explained by examples of calculations of the irradiation costs for disinfestation of grains and radicidation of feed.