revamps ptq ptq PETROLEUM TECHNOLOGY QUARTERLY
3 Fluid catalytic cracking (FCC) revamp opportunities Changes to fluid catalytic cracking unit input parameters may require upgrades for maximum unit value Warren Letzsch Warren Letzsch Consulting 9 Troubleshooting a dehydration train Advanced liquid distributor solutions increase reliability and profitability Norbis Velazquez and Michael Krela Koch-Glitsch Juan Ruiz Gas Processing Expert 15 Revamping distillation processes via dividing wall column technology Consider the operational stability, thermodynamic efficiency, improved product quality, and operational stability from high-performance DWC separation technology
Editor Rene Gonzalez editor@petroleumtechnology.com tel: +1 713 449 5817
Managing Editor Rachel Storry rachel.storry@emap.com Editorial Assistant Lisa Harrison lisa.harrison@emap.com
Graphics Peter Harper
Business Development Director Paul Mason Paul.Mason@petroleumtechnology.com tel: +44 7841 699431
Gaurav Agrawal Sulzer Chemtech
Business Development Luke Massingham Luke.Massingham@ petroleumtechnology.com Managing Director Richard Watts richard.watts@emap.com
21 Cartridge tray installation failures A study of the root causes for failed cartridge tray installations on-site, along with an alternative approach to mitigate the risk and optimise installation time Urmilesh Tiwari Engineers India Limited 27 Avoid utility disruptions in refinery operations Using time-delayed trips and dynamic process safety time analysis to avoid utility disruptions, especially where long shutdown and start-up sequences are required Charlie Gould Fluor Ltd 33 Revamp for co-processing: hydroprocessing challenges Co-processing via hydroprocessing represents a low-barrier entry into the production of renewable fuels. Risks and challenges have been segregated
Circulation Fran Havard circulation@petroleumtechnology.com
EMAP, 10th Floor, Southern House, Wellesley Grove, Croydon CR0 1XG tel +44 208 253 8695 Register to receive your regular copy of PTQ at https://bit.ly/370Tg1e
into five areas Woody Shiflett Blue Ridge Consulting LLC
Cover Repsol’s new polypropylene (PP) and linear low-density polyethylene (LLDPE) process units, both with 300 kta production capacity of 100% recyclable new products for highly specialised applications, represent an investment of more than 657 million euros, the largest industrial one in the last 10 years in Portugal. When fully operational in 2026, it will make the Repsol Sines Industrial Complex one of the most advanced in Europe due to its flexibility. Courtesy: Repsol
©2025 The entire content of this publication is protected by copyright full details of which are available from the publishers. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, mechanical, photocopying, recording or otherwise – without the prior permission of the copyright owner. The opinions and views expressed by the authors in this publication are not necessarily those of the editor or publisher and while every care has been taken in the preparation of all material included in Petroleum Technology Quarterly the publisher cannot be held responsible for any statements, opinions or views or for any inaccuracies.
Powered by FlippingBook