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.

Combustible Dust: A Practical Approach to Identifying and Mitigating Hazards

Mar 22, 2010
Richard C. Griffin
Combustible dust hazards are prevalent in many facilities throughout industry, including the chemical process industries. Lack of awareness and control of these hazards has led to numerous catastrophic accidents. Chevron Phillips Chemical Company LP has developed a practical approach to identifying...

Cracked Gas Dryer Tutorial (Part 1)

Mar 22, 2010
Bruno De Jonckheere
This tutorial will begin with a brief introduction to molecular sieves followed by a description of the process, covering overall operation of the charge gas dryer including adsorption and regeneration steps. Key design considerations will be discussed along with optimization and troubleshooting...

Oxygen/Combustible Safeguards in Low Nox Fired Heaters

Mar 22, 2010
Edward M. Marszal
Refineries have been installing low NOx equipment on their fired heaters in response to tighter environmental regulation. Low NOx burners minimize air ingress in locations other than directly at the burner, and internally recirculate flue gas in the heater firebox. They operate on much narrower...

Loop Tuning Basics

Mar 22, 2010
James Beall
There are many methods to tune PID controllers. This presentation provides a tutorial on tuning PID process controllers using Internal Model Control (IMC) concepts. This tuning methodology allows the user to “coordinate” the response of related controllers to optimize the process performance rather...

Principal Components Analysis for Early Events Detection in Process Operations

Mar 22, 2010
Principal Components Analysis (PCA) is a statistical technique that aims at reducing the problem dimensionality by progressively eliminating redundancy in data. The method has found extensive use in exploratory data analysis as it aids visualization of complex data. Interestingly, the method is...

Materials as Inherent Ignition Sources for Dust Explosions During Spray Drying

Mar 22, 2010
Vincent Van den Hoogenband
During spray drying, a solution is dispersed through a nozzle in small droplets to evaporate the water by means of hot air. In a large number of these processes, organic materials are processed so three out of four factors for dust explosions to occur are already present. The only thing missing for...

TLE Steam Side Corrosion Boiler Feed Water & TLEs : Avoiding Failures

Mar 22, 2010
Jos Vankevelaer
This paper shows on the one hand an analysis of sudden failures occurring at the bottom section of the TLEs, caused by corrosion at the steam side and an overview of the proposed corrective actions. On the other hand best practices during operations and shutdown are presented to avoid such damages...

Utilizing Integrated Risk Assessment to Maximize Asset Integrity Management

Mar 22, 2010
Steve Soos
The advent of various safety standards like ANSI /ISA 84, IEC 61511, API 14C, API 580 / 581, SAE JA1011, IEC 60330 and PSM guidelines has been a good impetus in improving the availability and reliability of safety systems and processes with an objective to meet the requirements defined by OSHA, EPA...

Practical Issues with Marginally Explosible Dusts - Evaluating the Real Hazard

Mar 22, 2010
Samuel A. Rodgers
A combustible dust can be non-explosible, marginally explosible or severely explosible. With the exception of a few standards with a quantitative perspective (such as NFPA 68), most safety standards and regulations do not differentiate marginally explosible dusts from severely explosible dusts. As...

Successful Process Safety Management Requires a Barrier Risk Assessment Tool

Mar 22, 2010
Ronald G. Hallmark
The expected outcome of Process Safety Management is to minimize the likelihood of a major accident hazard from occurring and ensure that the necessary mitigation and emergency preparedness mechanisms are in place in the event that an accident does happen. PSM programs objectives are to establish...

Energy and Resource Efficiency Plenary

Mar 22, 2010
Amory B. Lovins
Amory Lovins leads a discussion of the 10xE concepts for reducing energy use by a factor of 10. Following is the announcement of the award recipients of the joint AIChE-RMI 10xE competition.

Revamp Fired Heater to Maximize Thermal Efficiency

Mar 22, 2010
Ashutosh Garg
Fired heaters are in the refining and petroleum industry. In the current scenario, it is important to maximize fired heater efficiency to the maximum achievable. Revamping is a cost effective way to maximize fired heater efficiency: FIS has carried out several heater revamp projects in the past 5...

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