Chemical Reaction Engineering

Introduction to Fluidized Bed Technology

Archived Webinar
Apr 13, 2011
This webinar explores the fundamentals of fluidization: how materials fluidize; differences in fluidization characteristics based on size and density...

Liquid Product of Liquid Phase Pyrolysis

Archived Webinar
Feb 10, 2010
Ligno-cellulosic feed is expected to contribute significantly to production of liquefied combustibles in the future, because of the quantity and the...

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.

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.

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.

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.

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.

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.

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.

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.

Hydrolysis of Ddg

Conference Presentation
AIChE Annual Meeting
Wednesday, November 11, 2015 - 12:30pm-3:00pm
Liquid hot water (LHW) extraction was used as a pretreatment method to separate the hemicellulose fraction from dried distiller’s grain with solubles...

Hydrolysis Kinetics of Woody Biomass: Surface Renewal

Conference Presentation
AIChE Annual Meeting
Wednesday, November 11, 2015 - 8:30am-11:00am
Woody biomass is known to be composed of three major components: cellulose, lignin and hemicellulose. Cellulose is the most stable natural polymer in...

The Travelling Fluidized Bed Project: Working Together

Conference Presentation
AIChE Annual Meeting
Tuesday, November 10, 2015 - 8:30am-11:00am
John Chen had a strong attachment to “challenge problems” to evaluate the ability of models and CFD codes to accurately predict complex fluidization...

European Efforts in Process Intensification

Archived Webinar
Aug 19, 2015
European Union (EU) efforts to develop Process Intensification (PI) for the chemical industry have been more focused and organized than US efforts...

Fischer-Tropsch Synthesis: Where We Are and Where We May GO

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 4:00pm-4:30pm
The Germans followed a simple plan when they scaled up the Fischer-Tropsch (FT) synthesis to the commercial level. For the reactor, they set a simple...

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

Conference Presentation
AIChE Annual Meeting
Wednesday, November 19, 2014 - 1:30pm-1:45pm
A compact, non-catalytic, thermal partial oxidation (TPOX) based reformer has been developed to provide hydrogen-rich syngas to solid oxide fuel...

Red Mud Catalyzed Pyrolysis of Olive Mill Wastewater Sludge

Conference Presentation
AIChE Annual Meeting
Wednesday, November 19, 2014 - 8:30am-8:45am
Olive mill wastewater sludge (OMWS) is one of the major environmental pollutants in olive oil industry using traditional or three-phase process. The...

Pilot-Scale Testing of the Glyocolic-Nitric Acid Flowsheet

Conference Presentation
AIChE Annual Meeting
Tuesday, November 18, 2014 - 3:45pm-4:15pm
The Defense Waste Processing Facility (DWPF) treats legacy nuclear waste generated at the Savannah River Site (SRS) during production of plutonium...

Extracellular PHA Production from Woody Biomass

Conference Presentation
AIChE Annual Meeting
Tuesday, November 18, 2014 - 8:30am-9:00am
PHAs are commonly produced as bacterial carbon and energy storage intracellular. Recovery and purification of PHA are thus costly besides the...

Are Unconfined Hydrogen Vapor Cloud Explosions Credible?

Conference Presentation
Southwest Process Technology Conference
Friday, October 10, 2014 - 3:00pm-3:30pm
A question is frequently raised by owner/operators of chemical processing and refinery sites as to whether unconfined hydrogen vapor cloud explosions...

Amp Up Your Engineering Toolkit with Modeling Skills!

Conference Presentation
Southwest Process Technology Conference
Friday, October 10, 2014 - 1:30pm-2:00pm
Modeling and simulation are essential tools in every facet of the process industry with applications continually increasing. The ready availability...

CFD modeling of water-in-crude oil emulsions

Conference Presentation
Southwest Process Technology Conference
Thursday, October 9, 2014 - 4:00pm-4:30pm
A CFD model has been developed that fits laminar data of both suspensions and stabilized water-in-oil emulsions using a relative viscosity model...

Kinetic Modeling and Optimization of Polymerization Reactions

Conference Presentation
Southwest Process Technology Conference
Thursday, October 9, 2014 - 11:00am-11:30am
Specialty polymers often involve polycondensation mechanisms. Our goal is to identify the kinetics and to develop optimization strategies for...
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