November 2022

Plant Safety & Environment

Why sulfur plants fail: An in-depth study of sulfur recovery unit failures—Part 2

Equipment malfunction or an unplanned shutdown of a sulfur recovery unit (SRU) can have a significant effect on a production company’s profitability, along with an equally serious impact on personnel safety and the environment.

Bohme, G. E., Sulphur Experts Inc.

Equipment malfunction or an unplanned shutdown of a sulfur recovery unit (SRU) can have a significant effect on a production company’s profitability, along with an equally serious impact on personnel safety and the environment. The goal of this article is to establish the highest-probability threats to the reliability of sulfur recovery facilities and to focus industry attention on this issue. This article is a continuation of Part 1, which was featured in the October issue of Hydrocarbon Processing. Thermal excursions Thermal excursion (FIG. 4) is a general term that encompasses both sulfur fires and unacceptably high process temperatures. Thermal excursions in the sulfur recovery industr

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