Chemical Engineering Practice

Be Smart about Column Design

November
2012
Reactions and Separations
Daniel R. Summers, P.E., Mark Pilling, P.E.
Optimizing distillation equipment and processes can improve both the profitability and the greenness of an operation.

Distillation Troubleshooting

March, 2006
The last half-century of research on distillation has tremendously improved our understanding and design of industrial distillation equipment and systems. High-speed computers have taken over the design, control, and operation of towers. Invention and innovation in tower internals have greatly...

Using Process Flowsheets as Communication Tools

October
2012
Back To Basics
Graham Nasby
Piping and instrumentation diagrams (P&IDs), process flow diagrams (PFDs), and block flow diagrams (BFDs) are essential tools for documenting processes and promoting interdisciplinary understanding and communication.

Harnessing the Power of Virtual Reality

July
2012
On The Horizon
Bona Lu, Fanxiao Meng, Jinghai Li, Li Guo, Mingkun Zhao, Xinhua Liu, Zhaojie Xia, Zhouzhou Li
Advances in physical modeling and computational science will revolutionize the way engineers develop and design new technologies and processes.

CEP: Chem Economics - Manufacturing Renaissance Takes Hold in the U.S.

October
2012
Chem Economics
T. Kevin Swift
Many living in the Rust Belt — the northeastern region of the U.S. that experienced significant de-industrialization during the 1970s through the 2000s — got an up-close look at the decline in manufacturing in the U.S. In the wake of the Great...

Solid-Liquid Separation: A Guide to Centrifuge Selection

July
2012
Back To Basics
Tom Patnaik
Centrifugation is a necessary step in many pharmaceutical and chemical production processes. These guidelines will help chemical engineers better understand the process of centrifuge selection.

Chem Economics: ACC Releases Portfolio of Specialty Chemicals Indexes

September
2012
Chem Economics
T. Kevin Swift
The American Chemistry Council (ACC) has launched a new set of indexes covering nearly 30 segments of the U.S. specialty chemicals market. (The first, which dealt with plastic additives, was discussed in the July issue, p. 13.) This is the first set...

CEP: AIChE Journal Highlight - A New Spin on Separations

September
2012
Journal Highlight
The microelectronics industry has been revolutionized by technologies that boast ever-increasing capabilities in increasingly smaller areas. Now, the ability to pack high functionality into smaller devices is poised to transform the chemical process...

Pipe Flow: A Practical and Comprehensive Guide

May, 2012
Pipe Flow provides the information required to design and analyze the piping systems needed to support a broad range of industrial operations, distribution systems, and power plants.

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...
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