Chemicals & Materials

Scale-up of SAPO-34 Membranes for CO2/CH4 Separation

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 9:30am-10:00am
SAPO-34 membranes have pores with a diameter of approximately 0.38 nm and have the potential to be used for large scale removal of CO 2 impurities...

The Mixed Matrix Membrane Story

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 9:00am-9:30am
The talk will highlight the evolution of Mixed Matrix Membranes (MMM), developed in the mid-1980s. The talk will first provide an introduction into...

Modeling of LNG Spills Into Trenches and Troughs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 5, 2012 - 12:00am
Trenches and troughs are commonly used in LNG storage and transfer facilities to contain potential LNG spills. The trenches are concrete-lined...

Hydroprocessing Design - Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Hydroprocessing or hydrotreating is the key technology to clean, to refine, and to convert crude oils into valuable products, such as gasoline and...

Green Diesel Production - An Overview

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Currently, there are two renewable diesel fuels available: biodiesel and green diesel. The biodiesel or FAME is the transesterification of vegetable...

Refining Energy Utilization and CO2 Emissions Modeling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
The U.S. petroleum refining sector consumes large quantities of energy in order to convert crude oil into transportation fuels and other products...

Combustion of Mixtures: A Modified IFC Approach

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
While most studies on flares have been done with single hydrocarbon fuels or binary mixtures, the reality of most industrial flares is that they see...

Future Fuels and Chemicals: Grand Challenges and Opportunities

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
To insure a Sustainable Future, CO 2 emissions must be reduced despite strong future growth in demand. “Easy oil” from conventional production will...

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,...

Fundamentals of Alarm Management

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
When the information era began thirty years ago, the focus for the refinery control specialist was placing as much data as possible into the hands of...

New Flare System VOC Regulations & Reduction Control Options

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
As this abstract is written, there will be flare system emission testing in a controlled environment underway that will likely pave the way for new...

Sulfur Myths - What We Know and What We Do Not Know

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The use of organosulfur compounds in steam cracking furnaces to produce ethylene and propylene is a universal practice to essentially prevent carbon...

Ultra Low NOx Burner Performance in an Ethylene Cracking Furnace

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
In recent years, the global tightening of emissions standards has created numerous challenges for the owners and operators of ethylene cracking...

Fouling by Asphaltenes After and During Conversion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
During resid conversion processes, such as visbreaking or hydroconversion, more saturated pendant groups are cracked off asphaltenes, making them...

Impact of MARPOL Annex VI Regulations for Marine Fuels Supply

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
The International Maritime Organization's (IMO) has adopted new emissions standards, MARPOL Annex VI, for large ships and their fuels in order to...

Fuel Performance Parameters for Marine Engines

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 23, 2010 - 8:00pm
The regulations for sulfur reduction in marine fuels are impacting the whole spectrum beginning from the production of the fuel in the refineries to...

Cracked Gas Dryer Tutorial (Part 2)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the...

Cracked Gas Dryer System Debottlenecking Concepts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Of prime importance in the ethylene plant process is the Cracked Gas (CG) Dehydration System. CG Dryer operation is a key factor to the achievement...

Lessons Learned with Different Transfer Line Valve Designs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Olefins cracking furnace Transfer Line Valves (TLV's) operate in very demanding service handling high temperature, fouling conditions, high tightness...

Overcoming Logistical Challenges with Collaborative Technologies

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
All refiners—and manufacturers in general—face daunting logistical challenges including supply chain, changing product specifications, carbon...

Improved Energy Efficiency in CDUs Through Fouling Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Crude oil distillation accounts for a large fraction of the energy used in oil refining. Crude oil contains a variety of substances which tend to...

Dual Function Valves for Ethylene Transfer Line Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 22, 2010 - 8:00pm
Economic forces continue to push the capacity of new grassroots crackers higher, and the capacity of cracking furnaces rises ever higher because of...

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