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Technical & Practical

October 1, 2009

Estimating the Total Cost of Cartridge and Bag Filtration

When changeout and disposal costs are added to the purchase cost of filters, the total cost of disposable filters can more than quadruple. A proven method of reducing total life-cycle cost is larger surface-area filters

Frank Buehner, Filtration Technology Corp.

Besides the capital costs of a filter, there are additional factors that affect overall filtration economics, namely: (a) design considerations and options, (b) process requirements, (c) maintenance requirements, (d) maintenance procedures, (e) mean-time-between-changeout (MTBC) costs, and (f) disposal costs. This article outlines basic design issues, discusses selection considerations, and presents a cradle-to-grave cost analysis of bag and cartridge filtration.


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