September 2015

Special Report: Refining Developments

Unload the SRU to reduce operating costs and plugging problems

The SWAATS process can unload SRU capacity and reduce plugging problems and operating costs in a safer and environmentally-friendly way, especially as refiners find rising amounts of ammonia and SWSG.

Anderson, M.C., Thiosolv LLC; Kolodziej, R., Wood Group Mustang

A crude oil refinery may need additional sulfur recovery capacity for any of a number of reasons: Increased crude rate Greater use of higher-sulfur, lower-priced crudes Hydrotreating of heavier and more refractory streams Increasing hydrotreating severity to meet tighter sulfur specifications for some products. In many parts of the world, refiners still face the prospect of dealing with the effects of these refining changes as sulfur standards in their fuels markets are made more stringent. Although most of the responses to these changes have already been implemented in the US and the EU, in the last few years, the US Environmental Protection Agency (EPA) has lowered the sulfur spe

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