Selection of locations and incinerators for infectious waste of hospitals in Northeastern Thailand

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Siwaporn Suksee
Sombat Sindhuchao


In the Northeast of Thailand, there are approximately 1.58 tons of infectious waste a day. Each hospital has very little ability to eliminate the waste by themselves. As a result, most hospitals use agencies to handle it. There is a high cost of carrying the infectious waste from the hospital to the disposal site, since most hospitals are located far away from the infectious waste disposal facility. Therefore, if the infectious waste disposal facility is established at a proper location in the Northeast of Thailand, the hospitals can reduce the transportation cost of delivering the infectious waste to the facility. This research presents the data on the selection of location and the size of infectious waste incinerators for hospitals in the Northeast of Thailand with the objective of minimizing the total costs. The mathematical model of the problem is formulated based on the facility location problem and it is solved by using the AMPL program. The result shows that there are 2 appropriate areas for establishing an infectious waste incinerator in the Northeast of Thailand. The first one is in Kuchinarai District, Kalasin Province, serving 248 hospitals and the other one is in Tha Li District, Loei Province, providing service for 77 hospitals. Both locations use infectious waste incinerators with a waste burning capacity of 600 kilograms per hour and the lowest overall cost is 5,024,726.40 baht per month.

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บทความวิจัย (Research Article)


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