Environment & Safety
Exxon cleans up Pegasus pipeline spill in Missouri
A resident notified the company that oil had stained the pipeline. Exxon is investigating the cause of the incident. The Pegasus pipeline has been out of service since March 29, when a breach in the line led to thousands of barrels of oil spilling into a residential neighborhood in Mayflower, Arkansas.
Avoid hidden costs of suction-specific speed in pumping
More than 30 years ago, a landmark study observed a relationship between suction-specific speed and the probability of pump failure that changed the way pumps are selected. This observation created th..
Investigate power limitations in a large steam turbine
An investigation was carried out to rectify power limitations for a steam-turbine driver of a cracked-gas compressor (CGC) in a world-class ethylene plant.DescriptionThe turbine is a nine-stage, impul..
Seal safety may require going beyond typical standards
Top industry professionals believe users must reach beyond typical standards in applying safer mechanical seals when hazardous and toxic chemicals are involved.
Prevent methane hydrate formation in natural gas valves
The discussion here focuses on the thermodynamics involved and on the requirements for a successful natural gas valve application in which the incidences of hydrate formation and icing of the valve are reduced.
Optimize vacuum ejector operations
Vacuum distillation unit (VDU) designs generally involve jet ejectors due to their low capital and operating expenses, high reliability, durability and simplicity. Once the ejector is installed and co..
HP Viewpoint: Consider integral-gear compressors in CO2 services
In 1998, the author began researching suitable technology for compressing 95 MMSCFD of “bone dry” (–100°F dew point) carbon dioxide (CO2) from 16.7 psia to 2,710 psia. The compress..
HP Industry Perspectives: US-based ultra-low-sulfur gasoline rule released
In late March, the US Environmental Protection Agency (EPA) released the long-awaited ruling for ultra-low-sulfur gasoline, also known as the Tier 3 rule. This proposed rule lowers the sulfur content ..
HP Impact: Poll says US citizens want more solar, wind and natural gas
No fewer than two in three US citizens want the country to put more emphasis on producing domestic energy using solar power (76%), wind (71%) and natural gas (65%). Far fewer want to emphasize the pro..
HP Innovations: Innovations
Membrane element improves gas processingUOP's new Separex Flux+ membrane element is designed to increase natural gas processing capacity, compared with existing technology, allowing producers to captu..
- Technip Energies awarded proprietary equipment contract by CP Chem for low-CO2 cracking furnace technology 7/29
- Slovakia will halt diesel supplies to Ukraine unless oil transit restored, PM says 7/29
- TFG Marine signs agreement with Consort Bunkers for four newbuild methanol carriage bunker tankers 7/29
- India to boost refining capacity to 6.19 MMbpd by 2028 7/29
- Cepsa swings back to profit in 2Q on higher prices, wider refinery margins 7/29
- Libya's NOC denies it is in talks to supply crude oil to Nigeria refinery 7/29
- Digital Exclusive: SPECIAL FOCUS: Digital Technologies—Utilize process simulation digital twin to optimize condensate yield
- Digital Exclusive-Flare system design: Liquid pockets in flare headers
- Hydrogen-rich content gasoline: A new concept for paraffinic gasoline reformulation
- Alarm rationalization at Kuwait National Petroleum Company (KNPC) refineries
