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ChemE On Demand

AIChE's ChemE on Demand is a multi-media digital library containing hundreds on-demand webinars and recorded conference presentations. This convenient resource is designed to meet your needs as a chemical engineer. AIChE professional members are entitled to 6 FREE 'credits', good for content in ChemE on Demand each year. Undergraduate student members get free unlimited access to ALL ChemE On Demand content.

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Featured

Emissions of Mercury and Other Air Toxics: Compliance Strategies for Coal Combustion

AIChE and A&WMA Web Forum
Jan 23, 2013
Bob Fraser, Constance Senior, Nick Hutson

What do you need to know about mercury, HCI, metals and other toxics control? This webinar will address technical and permitting issues from two perspectives: what is required (by Nick Hutson of USEPA) and what strategies could you adopt (by Bob Fraser of ERM).

Solutions for a Sustainable Tomorrow

Jan 30, 2013
James Porter

This presentation focuses on the critical components of a truly sustainable operation . . . safety, environment, energy, capital management, and asset productivity.

Leadership Is Everyone’s Responsibility

Feb 20, 2013
Greg Shaffer

This webinar discusses the “hidden leadership” opportunities that are woven into everyday roles, how to recognize these opportunities and take advantage of them.

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Furnace Stories

Apr 5, 2012
Ken Beasley
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 damage. Every aspect of the furnace is critical from the specifications through design, construction and including commissioning, start-up, operations,...

Service Life Prediction of 9% Ni Steel LNG Storage Tank Using Fatigue Analysis

Apr 5, 2012
Seung-Rim Lee
As the design life expiration date(about 25 years) approaches for domestic LNG storage tank, the issue of tank lifetime extension is paid more and more attention by the Korea LNG industry. Recently, Korea Gas Safety Corporation is carrying out a project for developing technologies and standards for...

Modeling of LNG Spills Into Trenches and Troughs

Apr 5, 2012
Nicolas F. Ponchaut
Trenches and troughs are commonly used in LNG storage and transfer facilities to contain potential LNG spills. The trenches are concrete-lined rectangular channels dug into the ground. They are typically slightly inclined from the horizontal to direct the flow of LNG towards the sump and they are...

Impact of Guidelines for Independent Protection Layers and Initiating Events

Apr 4, 2012
J. Wayne Chastain
Layers of Protection Analysis (LOPA) was introduced about 15 years ago as a simplified risk assessment method between HAZOP (Process Hazard Analysis [PHA]) and quantitative risk assessment (QRA). This introduction was timely; LOPA was quickly adopted world-wide. The rules for independent protection...

Evaluation of Reverse Osmosis - Electrode-ionization Pilot Project in PT Badak NGL

Apr 4, 2012
Fany Arfianto
PT Badak NGL utilizes groundwater for Plants and Community water consumption. Demineralization water production in PT Badak NGL uses ion exchange process which has high safety risk since it utilizes sulfuric acid and caustic for ion exchanger regeneration. The sulfuric acid sometimes leaks out from...

The Rayleigh Equation Revisited What to Do When Alpha Isn't Constant

Apr 4, 2012
Robert G. Kunz
Abstract Integration of the Rayleigh Equation for batch distillation in closed analytical form has heretofore required that relative volatility (α) be assumed constant. A new technique presented in this paper produces a continuous analytical function for the Rayleigh Equation integral whether α is...

Turnaround Excellence - Key Success Factors

Apr 4, 2012
Bobby Vichich
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 shared accountability towards Turnaround Excellence and must be a continually improving process. Starting well in advance of “feed out”, a long range...

Anti-Surge Methods for the Base Load LNG Plant Propane Compressor

Apr 4, 2012
J. C. Kuo
The propane compressor represents a significant capital investment and operating expense of a LNG plant, and is an essential component in providing revenue streams of the plant. Therefore, operation and protection of the propane compressor are critical issues in the plant design and operation. The...

Hydroprocessing Design - Tutorial

Apr 4, 2012
Stuart Shih
Hydroprocessing or hydrotreating is the key technology to clean, to refine, and to convert crude oils into valuable products, such as gasoline and diesel. It covers a wide range of feed stocks and numerous configurations. The tutorial will discuss process configuration, material selection, and heat...

Strategic Chemistry

Apr 4, 2012
Troy Schuenemann
Optimizing the clearing and cleaning of process units during turnarounds. Primary discussion involves the three key areas related to an effective, timely cleaning plan. Chemistry, planning and execution. Minimization of effluent is also addressed. Overall timeliness, from oil out to vessel entry,...

Dynamic Simulation: Value During LNG Process Design and Beyond

Apr 4, 2012
Kenneth V. Allsford
A contributor to complex/large project management difficulty is uncertainty gaps – gaps between the information required and that readily available within the project organization. Moreover, for large projects, information is generally spread among many professional personnel across multiple...

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