Environment & Safety
What are the options to meet Tier II sulfur requirements?
To meet ultra-low sulfur specifications for diesel and gasoline, U.S. refiners will 'retool' existing facilities; feedstock changes, operational/processing adjustments and installing new post treatment technologies are some possible choices
Combine power options with clean fuels projects
A build-own-operate project structure involving refinery upgrade results in increased product yield and power production
Cat naphtha sulfur management: undercut or not?
Several processing options can create a high-sulfur heavy cat naphtha that concentrates FCC sulfur into one stream
Consider improved liquid alkylation catalysts
To process 'cleaner fuels,' refiners will seek octane gains from the blending pool; alkylate refinement is a possible solution
Process ultra-low sulfur diesel
New catalyst technology efficiently works at the molecular level to remove thiopenes
HP Automation Safety: Comparing failure rates
Safety integrity level (SIL) verification per ISA84.01 and IEC61508 requires that a probabilistic evaluation be done on the hardware used in a safety instrumented function (SIF). Data n..
Indoor air quality and hydrocarbon processing research
A case study on eliminating containment and re-entrainment of laboratory workstation fume-hood exhaust
Control corrosion factors in ammonia and urea plants
Processing conditions for ammonia and urea are highly corrosive; using metallurgical advancements can mitigate such forces
Control corrosion factors in ammonia and urea plants Fig 1
Fig. 1. Steam-reforming ammonia process. ..
Control corrosion factors in ammonia and urea plants Fig 2
Fig. 2. Urea process flow diagram. ..
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