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

Platformer Debutanizer Revamp & Optimization

Apr 3, 2012
Rakan Bilaus
Problem As part of Saudi Aramco Yanbu Refinery Excellence Program, We Identified the platforming high RVP issue as one of the most critical problem than needed to be resolved with high priority. The high reformate RVP causes problems with gasoline blending leading to high RVP in summer months,...

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...

Reducing CO2 Emissions From Refineries Through Chemistry Upgrade

Apr 3, 2012
Michelle Valenzuela
Despite the lack of a global greenhouse gas emission reduction agreement, regional schemes are moving forward to limit CO 2 and other GHG emissions to the atmosphere. In the United States, the state of California is moving forward with regulations that will cap emissions from installations...

Practical Process Integration Retrofit Part 1. Cross-Pinch Method

Apr 3, 2012
G. T. Polley
Practical Process Integration Retrofit Part 1. Cross-Pinch Method G.T.Polley A number of techniques have been developed to aid the process engineer retrofit heat recovery networks. The first of these methods was called the ?Cross-Pinch Method? (Tjoe & Linnhoff [1986]) and whilst it is widely...

Absorption Refrigeration for Auxiliary Applications in LNG Plant

Apr 3, 2012
Jordan Belue
ABSORPTION REFRIGERATION FOR AUXILIARY APPLICATIONS IN LNG PLANT Jordan Belue a , Robert Havlik b , Stanley Huang a , a: Chevron Energy Technology Company, Houston, Texas b: Tengizchevoil, LLP. ABSTRACT A Liquefied Natural Gas (LNG) plant demands a large amount of mechanical power for generating...

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