Relining of a Chlorine Dioxide Storage Tank – A Case History

ABSTRACT
There are many severely corrosive services in a pulp & paper mill. Chlorine dioxide storage is one of the more
hazardous and demanding services in the mill. Chlorine dioxide storage tanks are typically large diameter tanks,
which are constructed from Fiberglass Reinforced Plastic (FRP). This presentation will discussion the findings of
the initial inspection of the ClO2 storage tank after many years of service. We will discuss the process and best
practices for relining of the interior of the vessel. Corrective measures and key elements to maximize the longevity
and reliable service life of the replacement lining will be offered. Expectations for the service life for the original
vessel lining as well as the replacement lining will be examined. 

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