Featured Engage Discussions: April 2019 April 29, 2019Wondering what others are talking about? Check out the latest technical and career discussions on AIChE Engage.
Modeling CO2 Removal via Hollow Fiber Modules Archived Webinar Aug 30, 2018 Are you involved in CO2 removal? Are you focused—like many engineers—on the use of solvents? There’s another method of CO2 removal using highly selective membranes.
When Is It Time for Fresh Catalyst? Archived Webinar Jul 18, 2018 Is the performance of catalysts in your plant declining with age?
PI Principles: Energy - Dynamic Continuous Flow Reactors Archived Webinar Jun 27, 2018 In this 60-minute webinar, the 5 th in our 10-part series, you’ll take an in-depth look at a practical example of innovation in the thermodynamic domain of process intensification. This webinar...
Modeling Packed Bed Reactors Archived Webinar Oct 19, 2017 Do you work with investigations of packed bed reactors? Are you still modeling using the traditional approach of semi-analytical approximations? Learn why and how to model in the COMSOL software. In...
Mixing and Reaction without Stirred Tanks: Part 2 Archived Webinar May 31, 2017 Are you working with mixing and reaction processes in stirred tanks? It may be time to switch to pipelines. This is the second part of a two-part webinar series. Click here to also register for Part...
Mixing and Reaction without Stirred Tanks: Part 1 Archived Webinar Apr 26, 2017 Are you working with mixing and reaction processes in stirred tanks? It may be time to switch to pipelines. This is the first part of a two-part webinar series. Click here to register for Part 2...
Studying Multiphase Flow and Liquid-Liquid Extraction in COMSOL Multiphysics® Archived Webinar Apr 13, 2017 Tune into this webinar to learn how to use two-phase flow models for studying liquid-liquid extraction processes and phenomena in COMSOL Multiphysics®. Liquid-liquid extraction is a separation method...
Chemical Reaction Engineering Modeling and Simulation in COMSOL Multiphysics® Archived Webinar Jul 7, 2016 Are you working with the modeling and simulation of re-acting systems? Explore a more cost-effective and efficient way to understand their design and operation. In this 60-minute, COMSOL-sponsored...
Modeling of Turbulent and Laminar Reacting Flows Archived Webinar May 26, 2016 Are you involved in reaction flow modeling? Do you wonder if simulation may be helpful in your work? Get the answer here. In 60 minutes, this COMSOL-sponsored webinar delves into the simulation of...
Modeling of Laminar and Turbulent Reacting Flows Archived Webinar Sep 29, 2015 This presentation focuses on the simulation of reacting flows. Reacting flow and fluid dynamics may heavily influence the residence time distribution of chemical species and the reaction distribution...
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. The Savannah River National Laboratory (SRNL) is...
Modeling Non-Ideal Reactors and Mixers Archived Webinar May 7, 2014 This webinar discusses methods for defining and solving detailed models, calibrating simpler models to these detailed models, and simulating a process line using process flowsheet models. It also...
Chemical Reaction Engineering Part Two: Non-Isothermal Design and Analysis Archived Webinar Jan 4, 2012 In this webinar, learn about an algorithm presented for the design of chemical reactors with heat effects.
Chemical Reactions: Control the Intended, Avoid the Unintended Archived Webinar Dec 14, 2011 This webinar is a condensed version of a course on identifying and managing chemical reactivity hazards.
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; minimum fluidization; bubble formation, size and...
Chemical Engineering Essentials from Academic Authors - Session Five: A Structure of Isothermal Chemical Reaction Engineering (CRE) Design Archived Webinar Mar 9, 2011 Chemical Reaction Engineering (CRE) is a subject that is readily adapted to solving problems through algorithms rather than memorization of the numerous equations for each reactor type. The algorithm...
A Little Knowledge is a Dangerous Thing - Unexpected Reaction Case Studies Make the Case for Technical Discipline Archived Webinar Feb 24, 2011 The old saying, “what you don’t know can’t hurt you,” implies that ignorance is bliss. “A little knowledge is a dangerous thing,” may be closer to the truth; however, it is not the little that we...
Gasification: Opportunities and Challenges Archived Webinar Apr 21, 2010 This webinar gives an overview of global and domestic (U.S.) applications and current markets for gasification technologies.
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 variety of feed material.
Microreactors: Discovery, Development and Chemical Engineering Opportunities Archived Webinar Nov 4, 2009 Dr. Jensen presents case studies drawn from multistep chemical synthesis relevant to fine chemicals and pharmaceuticals, synthesis of colloidal nanoparticles and quantum dots, and fuel conversion.
Catalyst Characterization in the Molecular-Level Kinetic Modeling of Hydroprocessing Reactors Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 25, 2018The commercial upgrading of conventional and unconventional hydroprocessing feeds to valuable petrochemicals and fuels usually involves a series of...
Innovative Zoneflow® Reactor Technology- Gearing for Future in Steam Reforming for Hydrogen Generation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 25, 2018
Overcoming Heat Transfer Bottlenecks in Non-Equilibrium Chemical Processes through Autothermal Operation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 25, 2018Overcoming Heat Transfer Bottlenecks in Non-Equilibrium Chemical Processes through Autothermal Operation Robert C. Brown 1, 2 and Chad Peterson 2 1...
Optimal Synthesis of Integrated Reactive Distillation Systems for Fischer-Tropsch Process Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 24, 2018
AIChE Journal Highlight: Rethinking Chemical Reactor Design April2018Journal HighlightChemical reactors have traditionally been designed to take advantage of economies of scale, which dictates that material costs typically decrease on a per-volume basis as the reactor is scaled up. In the April AIChE Journal Perspective article, “...
Impact of Light Tight Oils on Distillate Hydrotreater Operation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Light Tight Oil (LTO, also known as Shale Oil) formations are providing a new crude source to North America and soon to the world, with the recent...
Inherently Safer Reactor Design: Challenges in the Changeover from Semi-Batch to Continuous Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Abstract for 2017 AIChE Spring Meeting and 13th Global Congress on Process Safety March 26-30, 2017 San Antonio, TX Session Selection: 19th Process...
Modeling and Optimization of a Cracked Naphtha Post-Treater Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017FCC cracked naphtha is a valuable component of the gasoline pool that, when untreated, is characterized by high olefin and sulfur content. The...
Unique Pre-Cleaning Passivation Challenges in Cooling Water Systems Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Pretreatment of cooling water systems is essential to maximize the service life and reliability of heat exchange equipment. Usually, pretreatment...
Continuous Nanoparticle Production Using Focused Acoustics Conference PresentationAIChE Annual MeetingNovember 12, 2015Continuous nanoparticle production using focused acoustics Many drugs currently in development are either water insoluble or lipophilic, thus...
Model Based Approach to Develop a Ring-Closure Reaction with High Product Selectivity Conference PresentationAIChE Annual MeetingNovember 12, 2015An intramolecular nucleophilic aromatic substitution reaction promoted by strong base is a commonly used reaction to form pharmaceutically-relevant...
Characterization of Lab and Plant Reactors Using Fast Competitive Reactions and a Predictive Model Conference PresentationAIChE Annual MeetingNovember 12, 2015Scale-up of reaction and crystallization conditions often involves assumptions about equivalence of mixing between lab and plant. Scale-down of...
Hydrogen Production Using Miec Membranes for Water Thermolysis with Partial Oxidation of Methane Conference PresentationAIChE Annual MeetingNovember 11, 2015In this presentation, we will discuss hydrogen production using oxygen permeable MIEC (mixed ionic-electronic conducting) membranes for water...
Hydrolysis Kinetics of Woody Biomass: Surface Renewal Conference PresentationAIChE Annual MeetingNovember 11, 2015Woody biomass is known to be composed of three major components: cellulose, lignin and hemicellulose. Cellulose is the most stable natural polymer in...
Chemical Looping Gasification and Hydrogen (CLGH) Process from Solid Biomass in a Dual Fluidized-Bed System Conference PresentationAIChE Annual MeetingNovember 11, 2015Chemical looping gasification and hydrogen (CLGH) process from solid biomass in a dual fluidized-bed system Jimin Zeng, Rui Xiao * , Yihong Wang,...
Dry Reforming of Methane on Ni in a Fixed-Bed Reactor: Spatial Reactor Profiles and Detailed CFD Simulations Conference PresentationAIChE Annual MeetingNovember 11, 2015Dry Reforming of Methane on Ni in a Fixed-Bed Reactor: Spatial Reactor Profiles and Detailed CFD Simulations Gregor D. Wehinger 1 , Matthias Kraume 1...
The Travelling Fluidized Bed Project: Working Together Conference PresentationAIChE Annual MeetingNovember 10, 2015John Chen had a strong attachment to “challenge problems” to evaluate the ability of models and CFD codes to accurately predict complex fluidization...
Investigation of Nanostructural Characteristics of Lignin-ABA Block Copolymer Aggregates Leading to Use of Micelles As Nanoreactors for Lignin Conversion Conference PresentationAIChE Annual MeetingNovember 9, 2015Nanostructural self-assembly of lignin derivatives incorporated in polyethylene oxide- block -polypropylene oxide- block -polyethylene oxide (PEO- b...
Insights into the Hydrothermal Stability of ZSM-5 Under Relevant Biomass Conversion Reaction Conditions Conference PresentationAIChE Annual MeetingNovember 9, 2015Zeolite catalysts used for the conversion of carbohydrates to renewable platform chemicals (e.g., glucose to HMF) in the condensed phase are shown to...
Optimizing Simulation of Refinery and Petrochemical Reactors with Molecular Structure Fluid Lumping and Object Oriented Unit Design Conference PresentationSouthwest Process Technology ConferenceOctober 2, 2015The modeling of reactors is the most challenging and least supported aspect of process simulation. In many cases, the reactor is the heart of the...
Emergency Relief System Design for Reactive System Using Direct Scale-up Method Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 29, 2015Emergency relief system design for reactive system using direct scale-up method Surendra K. Singh, Michelle R. Murphy and Joshua Gordon ioKinetic,...
Szorb Sulfur Removal Technology - a Solution of Tier 3 Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 28, 2015S Zorb(TM) Sulfur Removal Technology is very different from what is commonly known as the Hydrodesulfurization (HDS) Technologies. What distinguishes...
Porosity and Mineralogical Changes in Iron-Bearing Sandstone with CO2 Injection Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 28, 2015One of the four trapping mechanisms for long term CO 2 geological storage is mineral trapping. Increased acidity from CO 2 solubility in brine...
Fischer-Tropsch Synthesis: Where We Are and Where We May GO Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 27, 2015The 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...
Thermal Efficiency of Combined Cycle Power Plants Involving Chemical Looping Based Systems Conference PresentationAIChE Annual MeetingNovember 20, 2014
Modeling and Simulation of Autothermal Chemical Looping Reforming Conference PresentationAIChE Annual MeetingNovember 20, 2014Steam Methane Reforming (SMR) is widely used for the mass production of synthesis gas and hydrogen. The heat required for the strongly endothermic...
Characterization of Fuel Conversion in Coal Char-Fueled Chemical Looping Combustion Using Iron Based Oxygen Carrier Conference PresentationAIChE Annual MeetingNovember 20, 2014Chemical looping combustion (CLC) for power generation has the inherent potential of enriching CO 2 from flue gases with low energy penalty compared...
Evaluation of Oxidized Mercury Species Desorbed from Hg Sorbents for Coal-Fired Flue Gas Applications Conference PresentationAIChE Annual MeetingNovember 20, 2014Mercury exists in various forms in the flue gases of coal combustion, from its elemental state (Hg 0 ) at the boiler exit, to various oxidized forms...
Design and Performance of a Novel Reverse-Flow Fixed-Bed Reactor for Chemical-Looping Combustion Conference PresentationAIChE Annual MeetingNovember 20, 2014Design and performance of a novel reverse-flow fixed-bed reactor for chemical-looping combustion Lu Han , Zhiquan Zhou, George M. Bollas Abstract The...
Fast Pyrolysis of Lignocellulosic Biomass By 2-Step Approach for Producing Fractionated Bio-Oil Products Conference PresentationAIChE Annual MeetingNovember 19, 2014
Production of Biodiesel from Michigan Soybean Oil Using Supercritical Methanol with Acetic Acid Conference PresentationAIChE Annual MeetingNovember 19, 2014Biodiesel is an affordable and renewable transportation fuel. Within the United States it is commonly produced from soybean oil. In conventional...
The Effect of Hydrogen-Donor Agent in Catalytic Pyrolysis of Lignin to Hydrocarbons Conference PresentationAIChE Annual MeetingNovember 19, 2014The effect of hydrogen-donor agent in catalytic pyrolysis of lignin to hydrocarbons Xianglan Bai 1 , Shuai Zhou 2 , Robert C. Brown 1 1 Department of...
Process Simulation of Integrated Liquid-State and Solid-State Anaerobic Digestion of Dairy Manure and Crop Residues Conference PresentationAIChE Annual MeetingNovember 19, 2014Dairy manure is the most common agricultural digester feedstock in the United States. The bioenergy from dairy manure is produced by producing biogas...
Production of High-Purity Hydrogen from Glycerol for Fuel Cell Applications Conference PresentationAIChE Annual MeetingNovember 19, 2014
Biological Conversion of Methane: A Comprehensive Review Conference PresentationAIChE Annual MeetingNovember 19, 2014
A Personal Perspective on Biotechnology's Progress in a Golden Era (and how Jay Bailey saw it all coming) Conference PresentationAIChE Annual MeetingNovember 18, 2014Much has changed in biotechnology over the last few decades, but much has remained the same. As a graduate student in Jay Bailey’s research group in...
Using Glycerol As a Co-Solvent for Ionic Liquid Pretreatment of Rice Hulls Conference PresentationAIChE Annual MeetingNovember 18, 2014Over 100 million tons of rice hulls (husks) are generated each year at rice processing centers around the world. These cannot be easily composted and...
A Novel Reactor Type for Autothermal Reforming of Diesel Fuel and Kerosene Conference PresentationAIChE Annual MeetingNovember 18, 2014The scientific work in the fuel processing and systems group at Forschungszentrum Juelich has the strategic aim of developing a high-temperature...
Bio-Oil Streams in the Current Fast Pyrolysis - Catalytic Upgrading Route of Producing Renewable Liquid Fuel from Biomass Conference PresentationAIChE Annual MeetingNovember 18, 2014One of the main aims of the multi-year program plan of the DOE’s Bioenergy Technologies Office (BETO) is the production of liquid transportation...
Overview of the U.S. DOE Fossil Energy Advanced Energy Systems Program Conference PresentationAIChE Annual MeetingNovember 18, 2014The Department of Energy’s Advanced Energy Systems Program –managed within the Office of Fossil Energy and implemented by the National Energy...
Chemical Looping Reforming of Methane in the Presence of Core-Shell Redox Catalysts Conference PresentationAIChE Annual MeetingNovember 18, 2014
Development of a Two Beds Circulating Fluidized Bed Reactor System for Non-Oxidative Aromatization of Methane over Mo/HZSM-5 Catalyst Conference PresentationAIChE Annual MeetingNovember 18, 2014The non-oxidative aromatization of methane provides a promising route of direct methane conversion to valuable aromatics and has been extensively...
Dynamic Process Modeling of a Sustainable Coal, Wind, and Small Modular Reactor Hybrid Energy System Conference PresentationAIChE Annual MeetingNovember 17, 2014
Revealing a Stimulatory Effect of Lignin in Enzymatic Hydrolysis of Lignocellulose Conference PresentationAIChE Annual MeetingNovember 17, 2014The electrostatic and hydrophobic interactions between cellulases and lignin play essential roles in enzymatic hydrolysis of lignocellulsoic...
Controlled Accumulation of Inorganic Salts in Microreactors for Palladium-Catalyzed Amination Conference PresentationAIChE Annual MeetingNovember 17, 2014
CO2 Capture from Fossil Fuel Power Plant Flue Gas Using Aqueous Solution of Renewably Prepared Alkanolamine Conference PresentationAIChE Annual MeetingNovember 17, 2014The continuous emission of CO 2 from coal-fired power plants, cement manufacturing, refineries, etc., is considered as one of the major reasons for...
Kinetics of CO2 Capture in Novel Ionic Liquid/ Carbon Dioxide Binding Organic Liquids Hybrid Solvents Conference PresentationAIChE Annual MeetingNovember 17, 2014
Methane to Higher Hydrocarbons By a Non-Oxidative Catalytic Conversion Conference PresentationAIChE Annual MeetingNovember 17, 2014
Organic Solvent Nanofiltration in Continuous Catalytic Reactions Conference PresentationAIChE Annual MeetingNovember 17, 2014Introduction Organic solvent nanofiltration (OSN) is an emerging technology for performing membrane separation/purification processes in organic...
Pretreatments As Tools to Improve Fast Pyrolysis Products from Lignocellulosic Biomass Conference PresentationAIChE Annual MeetingNovember 17, 2014
Conversion of Lignin to Hydrocarbon Fuels Via Catalytic Depolymerization and Hydrogenation Conference PresentationAIChE Annual MeetingNovember 17, 2014Three different solvent systems (sodium hydroxide solution, ethanol aqueous solution and aqueous solution of phosphoric acid) were chosen to study...
Process Modeling of Shale Oil Extraction in Rotary Reactor Using Aspen Simulation Conference PresentationAIChE Annual MeetingNovember 17, 2014
Are Unconfined Hydrogen Vapor Cloud Explosions Credible? Conference PresentationSouthwest Process Technology ConferenceOctober 10, 2014A 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 PresentationSouthwest Process Technology ConferenceOctober 10, 2014Modeling and simulation are essential tools in every facet of the process industry with applications continually increasing. The ready availability...
Kinetic Modeling and Optimization of Polymerization Reactions Conference PresentationSouthwest Process Technology ConferenceOctober 9, 2014Specialty polymers often involve polycondensation mechanisms. Our goal is to identify the kinetics and to develop optimization strategies for...
An Evaluation of RANS Turbulence Models for Structured Foam Reactor Simulation Using Computational Fluid Dynamics (CFD) Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2014The use of structured open-cell foams with high external surface area is gaining importance in industrial applications due to more energy efficiency...
Syngas Utilization through High Pressure Solvent Assisted Fischer-Tropsch Synthesis Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 31, 2014Currently, the high oil price combined with a low gas price presents a good opportunity for the development of new gas-related markets. This...
Assessing Thermal Stability - the Challenge of Powders Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 31, 2014Assessing 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 PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 31, 2014To ensure the successful chemical treatment of a caustic system, fouling mechanisms must be identified and their respective contributions to the...