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Conference Presentations - 2011 AIChE Spring Meeting and Global Congress on Process Safety

Investigation of the Adsorbed Species of CO2 on Mg(OH)2

Mar 15, 2011
James C. Fisher
Introduction Fossil fuels supply a majority of the world's energy needs. However, the combustion of fossil fuels is one of the major sources of the greenhouse gas CO 2 . Integrated gasification combined cycle (IGCC) is one the most efficient power generation systems that use coal. However, because...

Thoughts about Safety, Staying at Zero

Mar 15, 2011
Rendell Newton
Perfect safety records and perfect environmental records are an “inalienable right”, given to us not by governments, companies, or others. It is a right we give ourselves. It takes different skills and thinking to stay at zero recordable incidents than it does to get to zero recordable incidents...

Improving Ethylene Charge Gas Compressor Performance

Mar 15, 2011
Giorgio Greco
The changing landscape of the ethylene industry requiring more feedstock flexibility and upstream and downstream integration increases the complexity of cracker design and management exacerbating challenges traditionally present in ethylene plant operations such as the fouling phenomena. The...

Increased Fouling Potential and Mitigation Plans for Heavy Sour Crude Oils

Mar 15, 2011
Parag Shah
It is becoming a widespread norm that refineries are processing an increasing quantity of heavy and sour crudes than ever before. The depleting oil reserves of light sweet crudes have resulted in the need for deeper exploration. Considerable finds in the Orinoco belt of Venezuela, California and...

Physical Solvents That Are Alternatives for PEGDME In CO2 Absorption

Mar 15, 2011
Matthew B. Miller
Advanced gasification power plants will employ the water-gas shift reaction producing a high pressure gas-phase mixture containing CO 2 , H 2 and water. This gas mixture at elevated pressures provides ample driving force in order to use a physical solvent that will selectively absorb, not...

Trip & Throttle Valve Reliability

Mar 15, 2011
Joan del Castillo
Trip & Throttle Valve Reliability Trip & Throttle (or Stop) valves are used in ethylene plants to isolate the energy to steam turbines when required. They are critical Safety Protection components with a high impact on a plant’s reliability; however, they operate under tough conditions like...

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