Reactors
Take a quicker approach to staggered blowdown
The design of a reliable blowdown system for a large sour gas-processing facility is one of the most important aspects of plant design. Safe design is vital for facility operation. With the developmen..
HP Reliability: Fact-checking list from recent reliability conferences
Whenever HP editors attend technical conferences, their primary goals include observing industry practices, finding facts and spotting trends. Fact or fictionUnfortunately, presenters sometimes relate..
HP Boxscore Construction Analysis: Ethylene in evolution: 50 years of changing markets and economics
Ethylene is the key building block for the petrochemical industry. This olefin supports 70% of petrochemical industry production and is used to manufacture a wide variety of products for industrial an..
Use model-based temperature control for fixed-bed reactors
A process unit at BASF’s Geismar, Louisiana manufacturing facility contains a series of six packed-bed reactors filled with a proprietary catalyst. This catalyst promotes an exothermic reaction, ..
Mitigate reactor failures due to graphitization
Graphitization occurs in carbon steel (CS) reactors in high-temperature service (> 455°C). As discussed in this case history, the shell of a methyl tertiary butyl ether (MTBE) reactor became s..
HP Viewpoint: Refiners have a new learning curve with shale oil
We’ve all heard the news reports: “Shale resource developments have the potential to make the US energy independent for the first time since 1952.” The long-term impact of shale resourc..
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.
Use an innovative cracking catalyst to upgrade residue feedstock
Tamoil’s Collombey refinery worked very close with a new catalyst supplier to remove the main operating constraint and significantly improve the unit profitability. Several project goals were set and attained.
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