Chemical Engineering Practice

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...

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...

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...

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...

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...

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...

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...

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-...

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...

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...

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)...

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...

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...

Cost Effectiveness of 2-Row Membrane System for FLNG

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
One of the most critical issues in engineering and design of FLNG is to reduce top side weight along with its load distribution to the sub-structure...

Platformer Debutanizer Revamp & Optimization

AIChE Spring Meeting and Global Congress on Process Safety
Apr 3, 2012
Problem As part of Saudi Aramco Yanbu Refinery Excellence Program, We Identified the platforming high RVP issue as one of the most critical problem...

Process Safety - Management or Leadership?

Global Congress on Process Safety
Apr 3, 2012
Process Safety Management is often presented as technically complex, requiring a large staff of engineers and specialists with an array of tools and...

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...

Combustion of Mixtures: A Modified IFC Approach

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
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...

Waste Heat Recovery Considerations in LNG Plants

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
WASTE HEAT RECOVERY CONSIDERATIONS IN LNG PLANTS ABSTRACT DOUGLAS WILES, RYAN HOLLENBACH & STANLEY KWAN Thermal integration in an LNG plant...

Tutorial: The Chemistry of Refinery Fouling

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
The chemistry of refinery fouling is well enough understood to mitigate nearly all fouling. The key information required are the location of the...

Useful Tips for Optimal Fired Heater Performance

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
Advanced Process Control Strategies for Process Fired Heaters Fired Heaters are used extensively throughout refineries for heating, vaporization and...

Installing a Charge Gas Compressor Booster

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
The Braskem Ethylene Southeast Plant expansion study from 500 MTA to 700 MTA recommended that the charge gas compressor turbine and the 1 st and 2 nd...

Flare System Inspection

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
When evaluating the safety and environmental aspects in olefins facility one must surely consider the flare. The flare is responsible for combusting...

The Economics of Process Measurements

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
What is the economic value of a new measuring device in a process plant – a new analyzer, a more accurate flow measurement, an additional temperature...

Advanced Control of Multiple Sulfur Recovery Units

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
Sulfur Recovery in a Refinery entails collecting sour vent gases (containing H2S) from a number of sources, including Hydrotreaters, Hydrocrackers,...

All Sulphur Plants Are Not Created Equal

AIChE Spring Meeting and Global Congress on Process Safety
Apr 2, 2012
All Sulphur Plants are Not Created Equal ABSTRACT Sulphur recovery from natural resources is required to meet environmental regulations on sulphur...

Pressure Relief Valve Sizing Equations Basis

AIChE Webinar
Mar 14, 2012
Engineers responsible for the sizing of pressure relief valves, will get a more in-depth understanding of the mathematical basis for the sizing...

Mechanical Reliability

Virtual Local Section Webinar
Oct 27, 2011
Dave is a reliability and maintenance leader with over 30 years of chemical and process industry experience. His keynote address is on Mechanical...
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