Chemical Engineering Practice

Modelling of a Filter Drying Process

AIChE Annual Meeting
Oct 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...

The Mixed Matrix Membrane Story

AIChE Annual Meeting
Oct 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...

Furnace Stories

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Modeling of LNG Spills Into Trenches and Troughs

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

Galvanic Corrosion Between Dissimilar Metals

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Simple Opportunities for Improving Energy Efficiency

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

Hydroprocessing Design - Tutorial

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Turnaround Excellence - Key Success Factors

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Design Considerations for Diesel Hydrotreaters

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Capital Cost Targeting of Total Site Heat Recovery

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Hydrotreating of Biooils to Jet Fuels: An Overview

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Design Challenges in Tankage Modernization

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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-...

Appropriate Placement of Compressors and Expanders

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

Hydrocarbons Turnarounds EHS Readiness

AIChE Spring Meeting and Global Congress on Process Safety
Apr 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...

Strategic Chemistry

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

Hydrocracking - An Overview

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

Panel Discussion on Turnaround Excellence

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

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

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

Critical Alarm Management : Connecting the Dots

Global Congress on Process Safety
Apr 3, 2012
In the aftermath of some high profile national security incidents, investigations starting with the catastrophe or near miss and working backwards...

APC2: Aligning People with Control

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
Advanced Process Control (APC) can take on many flavors and levels of sophistication. On the digital control systems (DCS), advanced regulatory...
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