Environment & Safety
HP Insight: ‘Cleaner’ fuels – it’s just not that simple Fig. 1
Fig. 1. Hydrogen balance for an integrated refinery (resid hydroprocessing, GO hydrotreating and hydrocracking).6..
What are the options to control VOC emissions?
Due to stringent environmental laws, operators may consider catalytic processes to destroy hazardous pollutants
Safety instrumented system design: valuable lessons learned
Reduce refinery risks by applying new methods based on information acquired from previous experiences
HP Insight: Engines of change
Last year, many members of the HPI were anxious over how the new millennium would impact this industry. During the late 1990s, many factors - crude oil prices, global recession (for som..
HP Insight: Engines of change Fig. 1
Fig. 1. Major polyolefins manufacturers. ..
HP Automation Safety: Separation – control and safety
There are many questions in the minds of engineers working to meet new safety standards like ANSI/ISA S84.01 and IEC 61508. One question that I have heard quite a bit lately relates to ..
Optimize sulfur recovery operations with advanced controls Fig. 2
Fig. 2. Flowsheet of Chevron's SRU. ..
Optimize sulfur recovery operations with advanced controls
By installing a feedfoward control system, an operating facility met tighter limits on SO2 emissions on the SRU
Are spent hydrocracking catalysts listed hazardous wastes?
The author discusses critical points from the U.S. EPA’s memorandum regarding spent ‘dual purpose’ catalysts
Choosing a bellows seal valve for zero leakage
Consider these application guidelines
- Brazil to phase out subsidy for diesel more slowly than for gasoline, minister says 7/3
- Chinese independent refiners snap up discounted Mideast oil as supplies rise 7/3
- India refiner Nayara's gasoline sold to Russia via traders 7/3
- India seeks to quell public backlash on ethanol-mixed fuel after 'experiment' remark 7/3
- Venezuela's largest refinery in service after power outage following earthquake 7/3
- U.S.-Iran war still trails the 1979 oil shock by total losses 7/3
