June 2017 CEP Preview June 12, 2017This month, results of the biennial salary survey of chemical engineers, ways to improve spreadsheet productivity, cybersecurity tips, and more.
Spreadsheet Problem-Solving for Chemical Engineers eLearning (online) CourseA basic course tailored specifically to chemical engineers. Improve your productivity while solving day-to-day ChemE problems.
Improve Your Spreadsheet Productivity with VBA June2017Computational MethodsDavid E. CloughExcel includes a programming language that can improve your productivity, as well as the reliability of your spreadsheets. Simple programs in Visual Basic for Applications (VBA) can have a big impact on your work for little effort.
Excel VBA Programming for Chemical Engineers eLearning (online) CourseAre you already familiar with Excel and ready to learn Visual Basic Applications (VBA) Programming? This course is for you.
Dynamic Analysis of Feed Gas Control in LNG Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017In an inlet facility of a natural gas plant, the feed gas or mixture of gas and condensate are received by means of high pressure pipelines. The...
Real Time Optimal Control and State Estimation in Semi-Batch Free-Radical Polymerization Reactors Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017State estimation is a powerful tool for calculating indirectly important on-line properties of products during polymerization reactions. In free-...
Spreadsheet Problem-Solving for Chemical Engineers Public (classroom) CourseSpreadsheets are a powerful problem-solving tool for chemical engineers. But to take full advantage of all they can do, you need a strong foundation...
Excel VBA Programming for Chemical Engineers Public (classroom) CourseGet up-to-date on proven design and troubleshooting principles for handling bulk solids in bins, hoppers, chutes and feeders for safe and trouble-...
Spreadsheet Problem-Solving and VBA Programming Combo Course Public (classroom) CourseTake advantage of a two-day immersion into Spreadsheet Problem Solving and Excel VBA Programming specifically covering chemical engineering...
Sponsored Webinar: 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 that is often used in the chemical, food, and cosmetics industries. The principle is to extract...
AIChE Journal Highlight: Advances in Nonlinear Programming for Process Optimization April2017Journal HighlightDecision-making is an essential task in process engineering; it drives process design, operations, control, and logistics. Systematic approaches for decision-making require accurate models that simulate the real-world consequences of decisions and...
Sponsored Webinar: 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 reacting flows. You’ll learn how reacting flow and fluid dynamics may heavily influence the residence...
Sponsored Webinar: Real-Time Data and Process Simulator Integration Archived Webinar Feb 10, 2016 Start solving operational problems differently using tools you already have in your facility. In this Radix Engineering and Software sponsored webinar, you’ll explore the why and how of integrating real-time data acquisition and historian systems with process simulators. You’ll consider how there...
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 in a non-ideal reactor or reacting system. In this webinar, we will show how multiphysics modeling...
Sponsored Webinar: Optimizing Adsorption Process Design and Operation Archived Webinar Oct 29, 2014 This webinar describes new model-based approaches that allow the rapid and accurate design and operational analysis of complex adsorption cycles. Periodic adsorption processes, such as PSA or TSA, are widely used in industry as energy-efficient alternatives to cryogenic or absorptive separation...
Assessing Sustainability with Metrics and Methods Archived Webinar Sep 3, 2014 This presentation is about making an attempt to apply sustainability principles to engineering processes and products. Sustainability has been accepted as an organizing principle in most engineering disciplines. Industry and academia have also embraced the idea. Yet it is generally felt that not...
Advances in Mathematical Programming Models for Enterprise-wide Optimization Archived Webinar Apr 26, 2012 Enterprise-wide optimization (EWO) has become a major goal in the process industries due to the increasing pressures for remaining competitive in the global marketplace. EWO involves optimizing the operations of supply, manufacturing and distribution activities of a company to reduce costs,...
Spreadsheet Techniques and Problem-Solving for Chemical Engineers Archived Webinar Oct 27, 2010 Many chemical engineers are self-taught in the use of spreadsheets for day-to-day problem-solving, which is testimony to the inherent usefulness of this tool.
Drive Out Complexity, Streamline Operations in the Fuels Value Chain -- How BP’s integrated supply chain increases profitability and efficiency Archived Webinar Oct 1, 2009 AIChE thanks Aspen Tech for the kind donation of this Webinar. Blair Wheeler of Aspen Tech introduces Mike Knight from BP, who discusses ongoing global supply chain initiatives and how they enable their 2.2-million-barrel-per-day refining operation to: Increase profitability Leverage integrated...
Data Science for Chemical Engineers February2017On The HorizonDavid Beck, Jim Pfaendtner, James Carothers, Venkat SubramanianChemical engineers need data science tools to take advantage of the increasing amount of data available to them. Data storage, analysis, and visualization will play more important roles in the discipline.
AIChE Journal Highlight: Creating Computational Models for Biopharmaceutical Production February2017Journal HighlightGenerating revenue of $163 billion, the biopharmaceutical industry accounts for 20% of the global pharmaceutical market. And, annual revenue growth for biopharmaceuticals is 8%, double that of conventional pharmaceutical products. Within a...
February 2017 CEP Preview February 14, 2017This month, CEP looks at compressors for ethylene plants, data science for chemical engineers, risk-based calibration, and much more.
Excel Tips for Chemical Engineers in 2017 December 23, 2016Over the last few years, one of our most popular series has been Excelling With Excel , which takes a look at some incredibly useful Excel tips for chemical engineers. Given the...
March 2015 CEP Preview March 9, 2015This month CEP features a look at lignocellulosic biofuels, from various production processes to what's needed to scale up bioenergy operations.
Shell's Prelude FLNG Completes Major Construction January 22, 2016Shell has sent out a video update as its revolutionary Prelude floating liquefied natural gas (FLNG) project winds up major construction in Samsung’s Geoje shipyard in South Korea...
Video Tutorial: Excel Data Tables with Two Dependent Variables February 5, 2016Does an Excel data table have you stumped? Check out this video tutorial that covers how to work with a data table with two dependent variables. If this isn't the Excel issue that...
March 2016 CEP Preview March 16, 2016This month, CEP looks at big data analytics in a special section, as well as covering PID for process engineers and aerobic fermenter optimization.
Advances in Asset Health Monitoring and Predictive Analytics Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 11, 2016Big data is a hot topic in many commercial and industrial applications, and it also applies to the operation of refineries and petrochemical plants...
Automation Solutions for Processing Light Tight (Shale) Oil Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2014Opportunity crudes from shale are more readily available in North America with incentives on cost. However, these typically lighter crude oils don’t...
Equations for Flammability Parameters, Pmax and KG Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2014The maximum pressure of gas combustion, P max , and the deflagration index, K G ,are very important flammability parameters that are used for risk...
Linking SPYRO Rigorous Stream Cracking Model Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMay 2, 2013Furnace simulations are currently used in all layers of process control from planning and scheduling down to the APC layer. However in the DCS...
Nonlinear APC Solution for Polypropylene Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMay 1, 2013Abstract A Nonlinear Model Predictive Control Solution has been implemented on the two Polypropylene Lines at Saudi Polyolefins Company (TASNEE)...
API Standard 521: New Alternative Method to Evaluate Fire Relief for Pressure Relief Device Sizing and Depressuring System Design Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 30, 2013The upcoming 6th edition of API Standard 521 will include an alternative, analytical method to evaluate fire exposure of vessels. The experimental...
A Systematic Approach to Relief System Evaluation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 30, 2013Managing the lifecycle of relief and flare systems data is complex and fraught with challenges and risks, whether the work is performed internally or...
Computational Fluid Dynamics in Equipment Design and Failure Analysis Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 30, 2013In 2007, the BASF TOTAL PETROCHEMICALS LLC Ethylene Steam Cracker installed a total of 5 welded plate heat exchangers. These units serve as primary...
Modelling of Time-Varying Dispersion for Releases Including Potential Rainout Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 29, 2013Many accidents involve releases of hazardous chemicals into the atmosphere. Many commonly used atmospheric dispersion models are limited to...
Comparison of Dispersion and Ambient Monitoring Techniques for Demonstrating Compliance with the 1-Hour NO2 NAAQS Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 29, 2013In 2010, EPA revised the form of the National Ambient Air Quality Standard (NAAQS) for NO2 from an annual-average to a 1-hour averaging period. Many...
Theoretical Study of Expansion Foam Application on LNG Pool Using Computational Fluid Dynamics Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 4, 2012LNG facilities could harm the personnel on site and jeopardize local communities nearby, due to the flammability and dense gas behaviors of LNG...
Source Term Modeling of Vapor Cloud Formation During a Cryogenic Liquid Spill Based on a Boiling Model by CFD Method Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 4, 2012The formation of a flammable vapor cloud following a spill of cryogenic liquids, such as ammonia and LNG (liquefied natural gas), on a ground or...
Eliminating Difficult Start Ups with State Based Controls Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Some processes are just difficult to start up. Every year, significant production is lost due to start up delays, product quality issues after...
Propagation of a Vapor Cloud Detonation from a Congested Into An Uncongested Area Demonstration Test and Impact on Blast Load Prediction Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012The potential for a deflagration to detonation transition (DDT) to occur in an unconfined vapor cloud explosion (VCE) with high reactivity flammable...
Practical Process Integration Retrofit Part 5. Software Needs Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Practical Process Integration Retrofit Part 5. Software Needs G.T.Polley In this final paper in our series on process integration retrofit we look at...
Recent Experiences on Modelling Fouling of Crude Refinery Preheat Trains Handling Complex and Heavy Crude Slates Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2012Recent Experiences on Modelling Fouling of Crude Refinery Preheat Trains Handling Complex and Heavy Crude Slates Ishiyama E.M., Polley, G.T. and Pugh...
Global and Local QSPR Models to Predict the Impact Sensitivity of Nitro Compounds Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2012New quantitative structure property relationships (QSPR) have been developed to predict accurately the impact sensitivity of nitro compounds from...
Flare Minimization Via Dynamic Simulation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Flaring in chemical process industry (CPI) is an important method to protect equipment and personnel safety during the process upset and the chemical...
Use Spreadsheets for ChE Problem-Solving August2016Back To BasicsDavid E. CloughThis article will help you improve your Excel spreadsheet skills and will provide you with tools to solve common chemical engineering problems.
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...
Modeling of Residence Time Distribution in Continuous Solid Oral Dose Pharmaceutical Manufacturing Processes Conference PresentationAIChE Annual MeetingNovember 20, 2014Modeling of Residence Time Distribution in Continuous Solid Oral Dose Pharmaceutical Manufacturing Processes M. Sebastian Escotet-Espinoza, Amanda...
Hydrodynamics Study on Wind-Box and Gasifier Zone of Dual Fluidized-Beds By CFD Simulation Conference PresentationAIChE Annual MeetingNovember 20, 2014The hydrodynamic characteristics in a wind-box and gasifier zone of dual fluidized-bed (DFB) are investigated by a computational fluid dynamics (CFD...
In-Process Particle Size Analysis for Commercial Pharmaceutical Manufacturing Conference PresentationAIChE Annual MeetingNovember 19, 2014Particle sizes of drug substances, excipients, and intermediates are of great importance for most of solid oral dosage forms and are traditionally...
A Computational Analysis of a Combined Cooling Anti-Solvent Continuous Crystallization Cascade: A Paracetamol/Methanol/Water Case Study Conference PresentationAIChE Annual MeetingNovember 18, 2014Abstract With increased attention being given to the development of continuous crystallization systems to replace existing batch crystallizations,...
Dynamic Process Modeling of a Sustainable Coal, Wind, and Small Modular Reactor Hybrid Energy System Conference PresentationAIChE Annual MeetingNovember 17, 2014
Thermodynamic and Economic Analysis of an Integrated Gasification Combined Cycle (IGCC) Plant with Various Carbon Capture Technologies Conference PresentationAIChE Annual MeetingNovember 17, 2014The levels of CO 2 emitted by coal combustion raise enormous concerns about its utilization as energy source because of the copious effects on global...
Process Modeling of Shale Oil Extraction in Rotary Reactor Using Aspen Simulation Conference PresentationAIChE Annual MeetingNovember 17, 2014
Computational Tools to Accelerate the Development of Carbon Capture Technology Conference PresentationAIChE Annual MeetingNovember 4, 2013The U.S. Department of Energy’s Carbon Capture Simulation Initiative (CCSI) was initiated in 2010 to develop and deploy state-of-the-art...
An Open-Source Code for Simulating Biomass Pyrolysis in Fluidized-Bed Reactors Conference PresentationAIChE Annual MeetingNovember 4, 2013A numerical framework named BIOTC (BIOmass Thermochemical Conversion) for simulating biomass fast pyrolysis is developed in this study. Fast...
Pressure Swing Adsorption: Design and Optimization for Pre-Combustion Carbon Capture Conference PresentationAIChE Annual MeetingOctober 30, 2012Pressure Swing Adsorption (PSA) is an efficient method for gas separation, and is a potential candidate for carbon dioxide (CO 2 ) capture from power...
Looking to the Future in Continuous Pharmaceutical Manufacturing Conference PresentationAIChE Annual MeetingOctober 29, 2012This presentation describes the motivations, challenges, and opportunities in continuous pharmaceutical manufacturing. Some of the motivations are...
Simulation and Economics of Biodiesel Production From Microbial Lipids Conference PresentationAIChE Annual MeetingOctober 17, 2011In this work, production of lipid from Lypomyces starkeyi on soluble sweet potato starch was simulated in Aspen Plus simulation. A kinetic model...
Smart Process Manufacturing - Capital Programs and Industry Operations Conference PresentationAIChE Annual MeetingNovember 8, 2010Smart Process Manufacturing (SPM) is a dramatically intensified knowledge-enabled industrial enterprise in which ALL business and operating actions...
A Standardized Approach to Smart Manufacturing Conference PresentationAIChE Annual MeetingNovember 9, 2009Advanced Process Control (APC) is a key element of the Smart Manufacturing paradigm, that helps drive the operation toward it's optimum point. For...
Understand Flow Patterns in Glass-Lined Reactors November2004Reactions and SeparationsKevin J. Bittorf, David S. Dickey, Keith E. Johnson , Christopher J. RamseyPhysical modeling and computer simulation provide insights into the performance of a glass-lined reactor.
Predictive Modeling in Catalysis - From Dream to Reality June2009On The HorizonAna G. MaldonadoIn 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.
Design Reactors via CFD December2001Reactions and SeparationsAhmad H. Haidari, Andre Bakker, Elizabeth M. MarshallUsing computational fluid dynamics to design commercial-size batch and continuous reactors can eliminate subjective experience and empiricism, leading to better-designed, more-efficient units.
Big Data Analytics (Full 24-Page Supplement) March2016Special SectionThe Four Vs; What Is It; Success Stories in the Process Industries; Getting Started on the Journey; Challenges and Future Research Directions
Big Data Analytics: Meet the Authors March2016Special SectionRichard D. Braatz / Leo H. Chiang / Lloyd F. Colegrove / Salvador GarcÍa Muñoz / Chaitanya Khare / John F. MacGregor / Marco S. Reis / Mary Beth Seasholtz / David White
AIChE Journal Highlight: Putting Data Science to Work for Chemical Engineers May2016Journal HighlightChemical engineers, from the practicing process engineer to the academic researcher, are being asked more and more often to manipulate, transform, and analyze complex data sets. The combination of strategies and tools associated with those tasks is...
Hybrid Cell Culture Models for Efficient Process Development Conference PresentationAIChE Annual MeetingNovember 12, 2015Cell culture processes are dynamic systems governed by a large number of influential and highly interacting process variables. Despite the stringent...
A Multi-Fidelity Mechanistic Modeling Framework for Wet Granulation Processes: Characterization and Technology Transfer Conference PresentationAIChE Annual MeetingNovember 12, 2015Although wet granulation processes are widely used in a range of industries, they are typically designed empirically and operated inefficiently. In...
From in-Vitro Data to Virtual Patients: Development of an in-Silico Model of Acne Pathogenesis for Prioritizing Targets for Novel Acne Therapies and Prediction of Late Stage Clinical Outcomes Conference PresentationAIChE Annual MeetingNovember 10, 2015Quantitative Systems Pharmacology (QSP) is an integrated systems-level modeling approach that combines the fields of pharmacology and systems biology...
Oxy-Coal Power Boiler Simulation and Validation through Extreme Computing Conference PresentationAIChE Annual MeetingNovember 10, 2015Coal remains the low-cost but high carbon power generation option around the globe. We have studied the design of a 500 MW pulverized-coal boiler...
Scale-up of Wet-Granulation Process: Case Study of a Risk Assessment Based Technology Transfer to Manufacturing Site Conference PresentationAIChE Annual MeetingNovember 20, 2014Scale-up and transfer to commercial manufacturing site of a high drug load (50%) wet granulation process was successfully implemented by identifying...
Uncertainty Quantification of Properties Models: Application to a CO2-Capture System Conference PresentationAIChE Annual MeetingNovember 20, 2014
Thermal Efficiency of Combined Cycle Power Plants Involving Chemical Looping Based Systems Conference PresentationAIChE Annual MeetingNovember 20, 2014
Integrated Dynamic Real Time Optimization and Advanced Feedback Control of Continuous Tablet Manufacturing Process Conference PresentationAIChE Annual MeetingNovember 20, 2014It is desired for pharmaceutical companies to satisfy the frequently changing globalized market demands, to optimize resources and inventory and to...
Surrogates for Fuel Property Modeling in Alternative Fuel Blends Conference PresentationAIChE Annual MeetingNovember 20, 2014Alternatives to petroleum based fuels are essential for the future transportation industry. For a fuel to be a viable replacement for a petroleum...
Design of Process Plant for the Production of Formaldehyde and Formic Acid from Lignin Conference PresentationAIChE Annual MeetingNovember 20, 2014The production of platform chemicals from biomass is the current focus of chemical research. Platform chemicals are the precursors of many household...
Simulation of Stirred Tank Hydrodynamics Using Mesh and Meshless Methods Conference PresentationAIChE Annual MeetingNovember 20, 2014Smoothed particle Hydrodynamics (SPH) is a mesh-free method based on the lagrangian formulation, used in the simulation of fluid flow. SPH relies on...
Detection of Process Fingerprints Applying Multivariate Analysis Methods to Monoclonal Antibody Cell Culture Data Conference PresentationAIChE Annual MeetingNovember 19, 2014This work presents a sequential data analysis path, which was successfully applied to identify process characteristics in fed-batch cultivation data...
Pour Point Calculation for Fuels and Lubricants in Different Model Systems Conference PresentationAIChE Annual MeetingNovember 19, 2014