Chemical Reaction Engineering

Assessing Thermal Stability - the Challenge of Powders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 31, 2014
Assessing the thermal stability of process materials and mixtures is an essential step in understanding the process safety profile of a process. Many...

Detail Analysis of Caustic Tower Fouling Mechanism

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
March 31, 2014
To ensure the successful chemical treatment of a caustic system, fouling mechanisms must be identified and their respective contributions to the...

FCC Riser Hydrodynamics Improvement Using Simulation Tools

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
May 1, 2013
Past experiences of commercial FCC units indicate that hydrodynamics have a pronounced effect on the riser performance. For example, an increase of...

Hydrogen Generation From Residuum

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
May 1, 2013
Refineries in the U.S. are processing increasingly heavy sour crudes that contain metals, sulfur, and high molecular weight aromatic hydrocarbons...

World Scale Boil-off Gas Reliquefaction

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2013
Boil-off gas reliquefaction has become an industry standard for many LNG carriers, which no longer use gas as fuel for steam boilers, but tap others...

Optimization of An Industrial Power Plant

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2013
Operations Optimization of Industrial Power Plants (IPP) is an often ignored area. One reason for this complacency is that IPPs are usually cost...

Predictive Modeling in Catalysis - From Dream to Reality

June
2009
On The Horizon
Ana G. Maldonado
In silicocatalyst optimization is the ultimate application of computers in catalysis. This article provides an overview of the basic concepts of predictive modeling and describes how this technique can be used in catalyst and reaction design.

Optimizing Crystallizer Scaleup

June
2003
Fluids and Solids Handling
Wayne Genck
Explore how mixing parameters impact the crystallization process and recommend ways to improve the likelihood of successful scaleup. The concepts of nucleation and growth, types of mixing, design considerations, agitator parameters and scaleup...

Selecting Laboratory Reactors

August
2007
Reactions and Separations
Francesco Picciotti, Marcello Picciotti
This article outlines some of the considerations involved in selecting and specifying a reactor system for research and development applications.

Process Control for Microreactors

August
2001
Instrumentation
Don  Humbert, Lech  Znamirowski, Olgierd A. Palusinski, Sarma Vrudhula
Field-programmable analog arrays coupled with microreactor technology promise to change the way plants are built, as well as the methods by which their processes are designed and controlled.

Designing Multistage Agitated Reactors

January
2014
Reactions and Separations
Gregory Benz
This article bridges the gap between theory and practice for the design of continuous-flow mechanically agitated reactors, with a focus on mechanical and hydraulic issues.

Design Reactors via CFD

December
2001
Reactions and Separations
Ahmad H. Haidari, Andre Bakker, Elizabeth M. Marshall
Using computational fluid dynamics to design commercial-size batch and continuous reactors can eliminate subjective experience and empiricism, leading to better-designed, more-efficient units.

Piloting Bioreactors for Agitation Scale-Up

February
2008
Reactions and Separations
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.

Modeling Chemical Reactors

February
2015
Reactions and Separations
Ed Fontes
Models can be used to describe chemical reactors to help solve problems and optimize processes, while saving time, money, and resources.

Green Reactors

August
2008
Reactions and Separations
Mukesh Doble
Compare these microreactor technologies, along with the intrinsic advantages and disadvantages of miniaturization, to achieve process intensification.

Developing Crystallization Processes

March
2011
Reactions and Separations
Christianto Wibowo
With solid-liquid equilibrium as its foundation, this systematic approach makes it easy to identify operating regions and theoretical yield to maximize the desired product.

Put More Punch Into Catalytic Reactors

March
2003
Reactions and Separations
Ed Fontes, Olof Hernell, Phil Byrne
Using equation-based modeling to design these reactors can optimize their efficiency and throughput.

Designing Polymerization Reaction Systems

February
2016
Reactions and Separations
Shrikant Dhodapkar, Pradeep Jain, Carlos Villa
Important considerations in polymerization reactor design include heat removal, kinetics, and process dynamics, as well as polymer properties and product quality.

Understand Flow Patterns in Glass-Lined Reactors

November
2004
Reactions and Separations
Kevin J. Bittorf, David S. Dickey, Keith E. Johnson , Christopher J. Ramsey
Physical modeling and computer simulation provide insights into the performance of a glass-lined reactor.

Modeling Reactive Absorption

January
2009
Reactions and Separations
Eugeny Kenig, Panos Seferlis
Effective modeling of reactive absorption enhances system design, improves experiment planning for parameter-estimation, and facilitates process operation and control decisions.

A Novel TPOX-Based "Swiss-Roll" Fuel Reformer

Conference Presentation
AIChE Annual Meeting
November 19, 2014
A compact, non-catalytic, thermal partial oxidation (TPOX) based reformer has been developed to provide hydrogen-rich syngas to solid oxide fuel...

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