2011

Thermochemical Hydrogen Production by Alkali Metal Oxides

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
In this work, we have focused a thermo chemical hydrogen production from water by using alkali metal oxides. This system consists of three step...

Variability of Switchgrass, a Dedicated Bioenergy Crop

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
The utilization of switchgrass as a dedicated energy crop is well documented in the scientific community. However, there has not been any large-scale...

QbD - It's Not Just for Breakfast Anymore

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
We are approaching the ten-year mark for the Quality by Design initiative in the pharmaceutical industry. Much has been accomplished and demonstrated...

Pellets From Pretreated Biomass

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Biomass supply is complicated by diversity of feedstocks, seasonal availability, and widely distributed feedstock. The costs of biomass supply and...

Deliquescence Behavior of Sodium Borohydride and Steam

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Sodium borohydride as an effective, cheap and stable material for hydrogen storage has been studied widely. Despite prior studies [ 1-5 ] on the...

Making Coal Clean

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm

Sustainability of Biomass Crop Production

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Woody biomass is renewable only if sustainable production is imposed. How to evaluate the benefit of different biomass crop species on a...

Educating Global Chemical Engineers in the 21st Century

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Chemical engineering thrived in the United States during the 20th century because of the confluence of discoveries in chemistry, innovations in...

Carbon Impact On Lithium-Sulfur Battery Performance

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Several carbons were evaluated for supporting sulfur in a lithium sulfur battery. The carbon properties had a significant impact on performance.

Loss of Downcomer Seal on a Depropanizer During a Plant Start up

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 16, 2011 - 8:00pm
The bottom C4’s product specification could not be met on the Depropanizer tower during a plant start up. The olefins unit had been started with a...

A New Class of Polymer Inhibitors

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 16, 2011 - 8:00pm
Polymer inhibitors are used within an ethylene plant in locations which are susceptible to aggressive polymer formation i.e. Primary Fractionator,...

Improving Ethylene Charge Gas Compressor Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
The changing landscape of the ethylene industry requiring more feedstock flexibility and upstream and downstream integration increases the complexity...

Advanced Hydrogen Management : More Than a Balancing Act

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Modern high complexity refining landscape involves increasing proportion of “opportunity crude” processing and widened bottom-of-the-barrel...

Trip & Throttle Valve Reliability

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Trip & Throttle Valve Reliability Trip & Throttle (or Stop) valves are used in ethylene plants to isolate the energy to steam turbines when...

An Update on OSHA's PSM National Emphasis Programs

Conference Presentation
Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Since 2007, OSHA has initiated two major National Emphasis Programs (NEPs) in process safety. The Petroleum Refinery Process Safety Management NEP (...

Ethylene Boil-off Compressor Process Safety Incident

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Braskem, a Brazilian player among petrochemical manufacturers, produces monomers, resins and chemicals specialties. The overall Ethylene capacity is...

Operational Inputs Into the Mechanical Integrity Program

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
A predictive mechanical integrity (MI) program is based on the following: * Damage mechanisms that affect process equipment. * Rate at which...
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