September 2003

Special Report: Refining Developments

Floating-roof technology advances with lessons learned from an 80-year history

Consider these design fundamentals when selecting your storage solution

This year is the 80th anniversary (Fig. 1) of the introduction of the floating-roof tank (FRT). It provides economical and environmentally friendly storage for a large range of products manufactured by the hydrocarbon processing industry (HPI). The FRT remains the most widely used method to safely control evaporative emissions from volatile products. Floating roofs (FRs) are used in open-top tanks, inside tanks with fixed roofs or in tanks that are totally closed. Thousands of FRTs are in operation globally with some in almost continuous operation for over 50 years.

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