August 2018

Process Optimization

Stability analysis of debutanizer columns with hot-vap or bypass pressure control

A debutanizer column was experiencing unstable operation, with frequent pressure swings and product composition fluctuations from the column overheads system.

Nagpal, S., IHS Markit

A debutanizer column was experiencing unstable operation, with frequent pressure swings and product composition fluctuations from the column overheads system. A study was performed to review the column design and provide recommendations to improve column operation so that the downstream unit feed composition could be stabilized. The column operates in total condensing mode, with flooded condenser hot vapor bypass (HVBP) pressure control. Plant operating data was collected and evaluated. The plant data showed that the pressure surges were typically encountered at midday and more likely to occur in the summer when the ambient temperatures are high. The column overheads condenser operated near

Log in to view this article.

Not Yet A Subscriber? Here are Your Options.

1) Start a FREE TRIAL SUBSCRIPTION and gain access to all articles in the current issue of Hydrocarbon Processing magazine.

2) SUBSCRIBE to Hydrocarbon Processing magazine in print or digital format and gain ACCESS to the current issue as well as to 3 articles from the HP archives per month. $399 for an annual subscription*.

3) Start a FULL ACCESS PLAN SUBSCRIPTION and regain ACCESS to this article, the current issue, all past issues in the HP Archive, the HP Process Handbooks, HP Market Data, and more. $1,995 for an annual subscription.  For information about group rates or multi-year terms, contact J'Nette Davis-Nichols at Jnette.Davis-Nichols@GulfEnergyInfo.com or +1 713.520.4426*.

*Access will be granted the next business day.

Related Articles

From the Archive

Comments

Comments

{{ error }}
{{ comment.comment.Name }} • {{ comment.timeAgo }}
{{ comment.comment.Text }}