Chemical Engineering Practice

Modeling and Optimization of a Cracked Naphtha Post-Treater

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 28, 2017
FCC cracked naphtha is a valuable component of the gasoline pool that, when untreated, is characterized by high olefin and sulfur content. The...

Automation: Integrating Capital Projects with Turnarounds

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 28, 2017
The traditional view of turnarounds is that they are just maintenance events. In reality, these planned shutdown events are very strategic...

Recent Advances in MVC Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 28, 2017
The Multi-Variable Controller (MVC) is ubiquitous in refining and petrochemicals industries. The MVC technology in recent years has changed a lot...

The Nature of Ammonium Nitrate Decomposition and Explosions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 27, 2017
Ammonium nitrate explosions can cause significant destruction as shown with examples in West, Texas (2013) and Tianjin, China (2015). Yet, ammonium...

Selection of Cases for Atmospheric Dispersion Modeling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 27, 2017
In many industrial facilities, toxic and/or flammable substances are discharged directly to the atmosphere. To ensure compliance with health, safety...

Trace Contaminant Removal in Petroleum Refining Processes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 27, 2017
Adsorbents are widely utilized for trace contaminant removal in petroleum refining processes, including fluid catalytic cracking, catalytic reforming...

C2 Front-End Hydrogenation Improvements

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 13, 2016
The presentation will address the parameters influencing selectivity and the impact over time. A side-by-side comparison of 5+ year operating data of...

Molecular Sieve Cracked Gas Dryer Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 13, 2016
This tutorial provides an overview of adsorption technology. It will cover the following topics: adsorption phenomenon, structure and chemistry of...

A New Era in on-Purpose Butadiene (OPBD) Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 13, 2016
Butadiene is produced almost entirely as a byproduct of ethylene plants. As ethylene plants switch from naphtha feedstock to cheaper ethane, the...

Acetylene Hydrogenation Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 13, 2016
Acetylene Hydrogenation Tutorial Author: Edgar Mohundro – Acetylene hydrogenation is a very important step in most olefins plant operations...

Full Range Natural Gas Processing

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 13, 2016
Large and untapped natural gas reservoirs offer the opportunity to design a versatile and efficient gas processing complex. An optimized concept for...

Dividing Wall Column - Design for a Retrofit

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
A market opportunity arose for a higher value market for an existing product line if key impurities could be reduced an order of magnitude below...

Hydrates in Ethylene Plant Cold Section

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
Ethylene plants are at risk of hydrate formation due to the very nature of the process: wet hot section followed by high-pressure, cryogenic...

Risk Based Process Safety Program in R & D Facility

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
Research & Development facility comprises of pilot plants & laboratories which are designed & constructed to perform new experiments/...

Next Generation Phenol Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
The Next Generation Phenol technology offers phenol producers with growth prospects and/or producers pursuing vertical integration of their refining...

Safer and Smarter Sulfiding of Hydrotreating Catalysts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
Catalyst sulfiding (aka "presulfiding") is a critical step to ensure that hydrotreating catalysts perform as designed after startup. In order to...

Preflash Options for Light Tight Oil Processing

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 12, 2016
As light tight oil continues to increase in availability, refiners are challenged with how best to process this unique type of crude oil. With a much...

Advances in Asset Health Monitoring and Predictive Analytics

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 11, 2016
Big data is a hot topic in many commercial and industrial applications, and it also applies to the operation of refineries and petrochemical plants...

Boiler Emissions Reduction through Humid Combustion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 11, 2016
This presentation will compare conventional emissions abatement techniques with alternative options utilizing direct contact heat exchangers, which...

A Career in Process Safety: 50 Years of LPS

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 11, 2016
Drawing from a career from 1962 through 2016 in the chemical and process industries, this paper will describe some informal practices of process...

Making Process Safety Personal - Engaging the Front Line

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 11, 2016
The front line is instrumental in implementing process safety, Yet they are rarely engaged in meaningful process safety discussions. We tend to...

Overview of the High Pressure Gas Safety Act in Japan

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 11, 2016
If handled incorrectly, the high pressure gas widely used in industry can cause damage not only to the plant in which it is being handled, but also...

Dynamic Modeling and Advanced Control of Tablet Press

Conference Presentation
AIChE Annual Meeting
November 12, 2015
The tablet press is one of the most critical but least understood unit operation involved in both batch and continuous tablet manufacturing process...

Hydrolysis Kinetics of Woody Biomass: Surface Renewal

Conference Presentation
AIChE Annual Meeting
November 11, 2015
Woody biomass is known to be composed of three major components: cellulose, lignin and hemicellulose. Cellulose is the most stable natural polymer in...

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