May 2012

Special Report: Maintenance/Reliability

Improve seal designs for ‘dirty’ services

Amid regulatory legislation issues, a compliance strategy can drive solutions to optimize reliability of rotating equipment.

Bloch, H. P., Hydrocarbon Processing Staff; Grove, T., AESSEAL Inc.

The Cross-State Air Pollution Rule (CSAPR) is at the center of the regulatory debate in the US. The Environmental Protection Agency (EPA) rule replaces the 2005 Clean Air Interstate Rule (CAIR), tightening caps on sulfur oxides (SOx) and nitrogen oxides. Regardless of the Appeals Court stay in early January, equipment reliability is now more important with regard to efficient utilization of existing pollution control technologies. In December 2011, the Department of Energy (DOR) outlined “near-term compliance pathways” highlighting the need for increased utilization and reliable performance of wet and dry flue-gas desulfurization (FGD) units.1 Selecting reliable mechanical se

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