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2012

MPC Revamp of Two Naphtha Crackers, Lessons Learned and Relearned

Apr 3, 2012
Vanessa Conz
Braskem is the 8th largest petrochemical company in the world and the biggest producer of polymers in the Americas. The Braskem Triunfo site includes 2 Naphtha Crackers with a combined capacity of 1250 KTA ethylene and 685 KTA propylene. AspenTech DMCplus controllers had been built for both plants...

Hydrogen Membrane Technology for Ethylene Production

Apr 3, 2012
U (Balu) Balachandran
HYDROGEN TRANSPORT MEMBRANE TECHNOLOGY FOR ETHYLENE PRODUCTION U. (Balu) Balachandran, T. H. Lee, C. Y. Park, and S. E. Dorris Energy Systems Division Argonne National Laboratory Argonne, IL 60439-4838 and Olutoye P. Akinjiola Psage Research, LLC, Macungie, PA 18062 Ethylene, the largest volume...

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...

Practical Process Integration Retrofit Part 3. Path Analysis

Apr 3, 2012
G. T. Polley
Practical Process Integration Retrofit Part 3. Path Analysis G.T.Polley The concept of transferring heat along paths was first suggested by Dhole [1]. It was subsequently investigated by Adiarso [2] and Van Reisen [3,4]. It forms the basis of a technique known as Network Pinch introduced by Zhu...

Critical Alarm Management : Connecting the Dots

Apr 3, 2012
Stephen Gill
In the aftermath of some high profile national security incidents, investigations starting with the catastrophe or near miss and working backwards have shown a clear series of events or warning signs which if recognised may have allowed the incident to be prevented. The security services have...

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...

Carbon Capture Ready Heavy Oil Extraction and Upgrading

Apr 3, 2012
Eloy Flores
Carbon dioxide emissions from heavy oil production are typically higher than that of producing conventional crudes. Ultimately, carbon dioxide emissions can make heavy oil production less competitive if regulated. Carbon dioxide emission regulations will affect the overall economics of heavy oil...

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...

ìBridging SEMS Between the Owner, Operator, and Contractorî

Apr 3, 2012
Ester Brawley
As of November 2011, offshore platforms have been required to develop and implement a Safety and Environmental Management (SEMS) Program. The offshore industry has many unique challenges that their onshore counterparts have not had to face. One of the biggest challenges facing the offshore industry...

Go out and lead on Process Safety Management

Apr 3, 2012
David Snowball
This paper will share the UK's experience of risk control for major hazards and will emphasise the key role corporate governance and leadership plays in the management of major hazard risks. The paper will outline the joint work undertaken between industry and the Health and Safety Executive in...

Application of the Anti-Sloshing Blanket to LNG Carriers and FLNG

Apr 3, 2012
Sangeon Chun
Sloshing is long problematic issue on achieving safety and reliability of LNG carriers and FLNG if the liquid level is below at a certain point in the containment system. Sloshing motion can be significantly reduced by covering the free-surface using a patented floater type blanket which is formed...

A Mechanistic and Experimental Study of the Diethyl Ether Oxidation

Apr 2, 2012
Carlo Adamo
A large number of organic compounds, such as ethers, spontaneously form unstable peroxides through a self-propagating process of autoxidation (peroxidation) based on free radical reactions if stored under poor conditions or for over-long period in contact with air. However, few works are focused on...

Phase Behavior of Poly-Substituted Mono-Nitrated Aromatic Compounds

Apr 2, 2012
William Pittman
Mono and poly-nitrated aromatic compounds are used to make products in a variety of industries. The reactions that produce them are often highly exothermic and present a very high risk of thermal runaway. Recent work has shown that nitrobenzene can form 3 phase systems with concentrated sulfuric...

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