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Conference Presentations - 2012 AIChE Spring Meeting and Global Congress on Process Safety

Equipment Life Extension Using Thermal Spray Aluminum to Mitigate CUI

Apr 3, 2012
Chris O'Rear
Corrosion under insulation (CUI) of carbon and low alloy steels is one of many failure mechanisms that decrease reliability and equipment life while increasing the cost of ownership. Carbon and low alloy steels are most susceptible to CUI when operated in or cycled through temperatures ranging from...

Green Diesel Production - An Overview

Apr 3, 2012
Stuart Shih
Currently, there are two renewable diesel fuels available: biodiesel and green diesel. The biodiesel or FAME is the transesterification of vegetable oil or animal fat with methanol. The green diesel, which uses the same or similar feed stocks as biodiesel, is produced by a hydrotreating process...

Adsorbents Used in Petrochemical Production: Safe Handling Recommendations

Apr 3, 2012
David Radtke
The petrochemical industry has grown to rely heavily upon adsorbents to remove contaminants from hydrocarbon streams. Molecular sieves, activated aluminas, metal oxides and other adsorbents are very successful in removing contaminants down to extremely low levels protecting not only equipment, but...

Refinery-Wide Topics for Profitability, Reliability and Safety

Apr 3, 2012
Mike Siravo
In this session we will review several case studies that will allow you to better understand the importance of process engineering and process safety basics. These examples will show specific pitfalls to avoid but also will open your thinking to properly consider the implications of other...

Eliminating Difficult Start Ups with State Based Controls

Apr 3, 2012
Dustin Beebe
Some processes are just difficult to start up. Every year, significant production is lost due to start up delays, product quality issues after startup, mistakes or gaps in operator expertise and other reasons. In fact, the U.S. Chemical Safety Board has estimated that the total loss due to operator...

On-Line Energy Management System - Round 2

Apr 3, 2012
Brian Finnegan
In 2008-9 Equistar implemented an on-line, open-loop utility optimizer at one of our world scale olefin sites. We call this our energy management system. While our key project goals were met, we did not realize the full potential of the system. After the system was brought on line, we experienced...

Cracking Furnace Gasket Selection, A Key Factor in Furnace Life Extension

Apr 3, 2012
Kathryn Worden
Flanges on ethylene cracking furnaces are necessary for proper maintenance, and offer specific challenges in terms of leakage avoidance and safety assurance. On cracking furnaces, any gasket failure will require a shutdown for repair. As both radiant coil and refractory service life are strongly...

Bio-Ethylene Production: Alternatives for Green Chemicals and Polymers

Apr 3, 2012
Kevin M. Van Geem
There is an increasing trend of using bio-polyethylene and bio-polypropylene in Europe for making consumer goods. However there is currently very limited production capacity available for producing these base chemicals that are used in the polymerization processes. This contribution will give an...

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