Hydrocracking
Troubleshoot and optimize debutanizer columns in hydrocrackers
Saudi Aramco’s Riyadh refinery operates a series-flow, single-stage hydrocracking unit (HCU) in recycle high-conversion mode. The unit underwent a revamp in 1983 and presently processes a mixture..
Case history: New developments with lower catalyst-to-feed ratios for FCC units
A study was conducted using a series of FCC catalysts that included reduced rare-earth content and increased zeolite Y quantity systems. The goal was to raise gasoline yield along with greater yields of olefins.
HP Industry Perspectives: Marine fuels: Not clear sailing ahead
Major changes are unfolding that will impact the marine shipping industry. Within the next decade, tighter environmental rules will be in place, changing fuels used to propel international and domesti..
India’s thirst for energy to be addressed at IRPC
International Refining and Petrochemical Conference (IRPC) 2013New Delhi is an international city with numerous attractions. It is the home of the Qutub Minar, the tallest minaret in India. The c..
North American olefin producers riding the shale gas wave
With the prospect of abundant low-cost ethane, several producers have announced intentions to build new ethylene capacity.
Evaluate challenges in meeting clean-fuel specifications with heavier crude
At a Saudi Aramco refinery, a revamp was planned for processing a different crude oil blend to meet Euro 5 diesel and gasoline specifications. The refinery, which processes semi-light crude oil, is sc..
New residue-upgrading complex achieves Euro 5 specifications
In late 2010, Grupa LOTOS SA completed construction of a major residue-upgrading project at its refinery in Gdańsk, Poland. Its 10+ Program was designed to unlock a step change in the facility’s long-term profitability. After two years of operating, this project has had a profound effect on the refinery’s economics.
Select new production strategies for FCC light cycle oil
Selective adjustments to FCC operating variables and catalyst quality can significantly increase LCO production, which refiners can then upgrade into diesel blendstock.
Consider advanced technology to remove benzene from gasoline blending pool
As more regions increasingly adopt clean-fuel regulations, the challenge for refiners is to meet these tightening gasoline specifications for benzene cost-effectively without significant octane loss.
HP Boxscore Construction Analysis: 2013 global construction outlook
The downstream industry is investing billions of dollars in the development and construction of grassroots facilities, along with expansions and upgrades to existing plants.
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