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Flow of Solids in Bins, Hoppers, Chutes and Feeders

Instructor-led (classroom) Course
Gain a strong, fundamental understanding of bulk solids and bulk solid handling equipment and their behavior, along with the general principles and practical applications of solids flow.

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...
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Thoughts about Safety, Staying at Zero

Mar 15, 2011
Rendell Newton
Perfect safety records and perfect environmental records are an “inalienable right”, given to us not by governments, companies, or others. It is a right we give ourselves. It takes different skills and thinking to stay at zero recordable incidents than it does to get to zero recordable incidents...

Mitigation of Preheat Fouling by Eliminating the Cause

Mar 15, 2011
Irv Wiehe
Today, there is no excuse for not getting five years or more on the run length of refinery preheat exchangers without the need for cleaning. Among the many tools available for fouling mitigation of preheat exchangers, the most overlooked ones involve determining and eliminating the cause. Almost...

Flare Minimization Via Dynamic Simulation

Mar 15, 2011
Kuyen Li
Flaring in chemical process industry (CPI) is an important method to protect equipment and personnel safety during the process upset and the chemical plant turnaround. However, excessive flaring emits lots of carbon dioxide as well as air pollutants, which cause negative environmental and social...

Operational Inputs Into the Mechanical Integrity Program

Mar 15, 2011
F. Russ Davis
A predictive mechanical integrity (MI) program is based on the following: * Damage mechanisms that affect process equipment. * Rate at which degradation progresses. * Ability of the inspection group to identify and correct equipment damage before equipment failure. Operational temperature, pressure...

Cracked Gas Compressor Control Tutorial

Mar 15, 2011
Nauman Islam
The market conditions over the couple of years has prompted many end-users to review antisurge control design to help lower their energy index. A number of factors affect antisurge control system design and consequently impact the surge control margins. Cracked/charge gas compressors have evolved...

Improving Ethylene Charge Gas Compressor Performance

Mar 15, 2011
Giorgio Greco
The changing landscape of the ethylene industry requiring more feedstock flexibility and upstream and downstream integration increases the complexity of cracker design and management exacerbating challenges traditionally present in ethylene plant operations such as the fouling phenomena. The...

Objectives of Anti-Surge Control

Mar 15, 2011
W. Brian Piercy
Objectives of Anti-Surge Control Preventing a compressor surge is the primary purpose of an anti-surge controller. However, there are additional requirements that must be met for an anti-surge control package to be effective. It must be stable and reliable, while also keeping energy costs to a...

Advanced Hydrogen Management : More Than a Balancing Act

Mar 15, 2011
Sanjiv Ratan
Modern high complexity refining landscape involves increasing proportion of “opportunity crude” processing and widened bottom-of-the-barrel strategies, which together with ever stringent ‘clean fuels’ requirements has led to extensive need for hydrogen and its optimization in the refinery. This in...

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