Chemical Engineering Practice

Modelling of a Filter Drying Process

Conference Presentation
AIChE Annual Meeting
October 29, 2012
Filter drying, also referred to as vacuum contact drying, is a process widely used in the pharmaceutical industry to remove water or organic solvents...

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

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

Advances in Mathematical Programming Models for Enterprise-wide Optimization

Archived Webinar
Apr 26, 2012
Enterprise-wide optimization (EWO) has become a major goal in the process industries due to the increasing pressures for remaining competitive in the global marketplace. EWO involves optimizing the operations of supply, manufacturing and distribution activities of a company to reduce costs,...

Understanding Why Bulk Solids Behave Differently Than Liquids

Archived Webinar
Apr 25, 2012
Providing insights into why bulk solids behave differently than liquids, this webinar introduces concepts regarding powder flow testing, bin/silo design, feeder integration, and mechanisms of powder segregation.

Modeling of LNG Spills Into Trenches and Troughs

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

Furnace Stories

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 5, 2012
The cracking furnace is the heart of the ethylene plant, consuming the most energy, adding the most value and with the potential to cause the most...

Galvanic Corrosion Between Dissimilar Metals

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 5, 2012
A Dow USGC cracker suffered a tube failure on a cracked gas compressor inner stage cooler after ten plus years of service. To further extend the...

Evaluation of Dispersion Models for LNG Siting Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
The federal safety standards for LNG facilities under 49 CFR Part 193 approves the use of specific dispersion models for performing vapor-gas...

Simple Opportunities for Improving Energy Efficiency

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Energy efficiency has become an important theme in the process industries, and many companies have implemented sophisticated strategies to improve...

Hydrocarbons Turnarounds EHS Readiness

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
The Dow Hydrocarbons Business has a thorough process for managing excellent EHS performance during Turnarounds. We name an EHS Focal Point for each...

Turnaround Excellence - Key Success Factors

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Turnaround Excellence is more than a state of being… it is a journey. Achieving and sustaining excellence is wholly dependent on a site approach of...

Modeling of Ground Flare Pits

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
New LNG liquefaction facilities have been configured to include large ground flares to allow for the safe combustion of large volumes of combustible...

Hydrocracking - An Overview

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
The paper will present an overview of the Hydrocracking process as applied in the refineries today. It will cover Mild Hydrocracking, Partial...

Design Considerations for Diesel Hydrotreaters

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
In 2006, the United States EPA mandated the use of 15 ppmw ultra-low sulfur diesel (ULSD) for on-road diesel fuel. At that time several refiners...

Dynamic Simulation: Value During LNG Process Design and Beyond

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
A contributor to complex/large project management difficulty is uncertainty gaps – gaps between the information required and that readily available...

Panel Discussion on Turnaround Excellence

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
A panel of industry experts will discuss topics of interest to Ethylene Producers with respect to turnaround excellence. Topics will be solicited...

Hydrotreating of Biooils to Jet Fuels: An Overview

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
This paper will give an overview of the current status of jet fuels production from hydrotreating of biooils, including vegetable oils and microalgae...

Analysis of Turnarounds in Olefin Plants: A 16-Year View

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Comparative Performance Analysis™ (CPA™) benchmarking studies of the olefin industry have been conducted by HSB Solomon Associates LLC (Solomon)...

Design Challenges in Tankage Modernization

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
In order to comply with regulation requirements, a refinery needs to perform major revamps to produce different grades of Diesel, namely ULSD, Off-...

Hydroprocessing Design - Tutorial

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

History of NOx In the Ethylene Industry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
A history of NOx in the Ethylene Industry will be presented.

Capital Cost Targeting of Total Site Heat Recovery

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Heat recovery on Total Site level can provide a considerably high potential for energy saving. It offers additional degrees of freedom for heat...

Appropriate Placement of Compressors and Expanders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
The term “Appropriate Placement” was introduced in Pinch Analysis during the 1980s to indicate how special unit operations should be correctly...

Strategic Chemistry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Optimizing the clearing and cleaning of process units during turnarounds. Primary discussion involves the three key areas related to an effective,...

Process Safety Regulations - Blessing or Curse?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 3, 2012
Are Process Safety / Risk Management regulations a blessing or a curse? The answer of course is “it depends.” There is little doubt that Process...

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