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...
Catalytic Production of Hydrogen and Carbon Monoxide Via Methane Dry Reforming Reaction over Hydrotalcite-Derived Ni/Mg/Al Mixed Oxides Promoted with Zr and/or Ce Conference PresentationAIChE Annual MeetingNovember 11, 20151. Introduction The reaction of dry reforming of methane (DRM) might become of a great importance in the near future since it is a method of CO 2...
Nickel Supported on Ceria-Zirconia for Syngas Production Via Dry Reforming of Methane Conference PresentationAIChE Annual MeetingNovember 11, 20151.Introduction Dry reforming of methane (DRM) produces synthesis gas with higher purity and lower H 2 /CO ratio than either partial oxidation or...
Dry Reforming of Methane over Ni-Based Pyrochlore Catalysts Using Transient Pulsing Conference PresentationAIChE Annual MeetingNovember 11, 2015Dry reforming of methane requires temperatures of 750 – 950 °C to achieve near equilibrium conversions. A thermally robust and active catalyst, such...
Democratizing Fossil Fuel Conversion Conference PresentationAIChE Annual MeetingNovember 10, 2015Do you have a billion dollars? Neither do most of the 6 million companies in the Unites States. In fact, less than 10 companies in the U.S. can...
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...
Impact of US Natural Gas Abundance on Carbon Management Strategies Conference PresentationAIChE Annual MeetingNovember 10, 2015The abundant supply of natural gas provided by the fracking boom has dramatically changed the options for carbon dioxide management. It appears that...
Accelerate Materials Design through Accurate Performance Prediction Conference PresentationAIChE Annual MeetingNovember 10, 2015Material challenges are at the core of many DOE energy objectives. Critical to Fossil Energy (FE) is the ability to predict performance under severe...
Keynote on Advanced Energy Systems Conference PresentationAIChE Annual MeetingNovember 9, 2015Keynote talk on advanced energy systems
Lessons Learned from the Secarb Integrated CO2 Capture and Storage Project Conference PresentationAIChE Annual MeetingNovember 9, 2015The United States Department of Energy (DOE) established seven Regional Carbon Sequestration Partnerships (RCSPs) in 2003. The Southeast Regional...
Production of JP-8 Jet Fuel from Coal and Coal/Biomass Mixtures Conference PresentationAIChE Annual MeetingNovember 9, 2015An indirect liquefaction process employing advanced process intensification approaches is being developed to reduce costs and accelerate...
Production of Synthetic Fuel from Coal and Biomass Conference PresentationAIChE Annual MeetingNovember 9, 2015Ceramatec is the prime contractor on a project for the US Department of Energy to produce a ~2 BPD Fischer Tropsch pilot plant. The feedstock for the...
Structure of Process Safety in the Operating Plants ñ Leaders of Management and Analysis of Risks and Impacts-Portuguese Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 4, 2012Structure of process safety portuguese version
Survival Techniques and Technologies of a Startup Specialty Polymer Company Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Survival Techniques and Technologies of a Startup Specialty Polymer Company
Open Innovation At Fortune 500's and What Small Companies Should Know When Doing a Deal Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Open Innovation at Fortune 500's and what Small Companies should know when doing a deal
The NSF Small Business Innovation Program ñ the Search for Transformational Technologies Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012The NSF Small Business Innovation Program – the Search for Transformational Technologies
Electrochemistry to Transform Fluids and Power Into Higher Value Forms Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Electrochemistry to Transform Fluids and Power into Higher Value Forms
Leveraging Open Innovation - Experiences in the Small Business Universe Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Leveraging Open Innovation - Experiences in the small business universe
BLEVE Overpressure: Small Scale Experiments and Multi-Scale Comparison with Literature Survey of Blast Wave Modeling Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012The most dangerous accident that can occur in storage of liquefied petroleum gas (LPG) is the boiling liquid expanding vapor explosion (BLEVE). The...
Materials Development for Advanced Catalysts and Gas Sensors Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Materials development for advanced catalysts and gas sensors
Work Output of Multicomponent LNG Mixtures in Two-Phase Expanders Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012A two-phase expander recovers more work from a multicomponent LNG mixture than a single phase expander. The calculation of the recoverable work...
Acceptable Operating Parameters for Steam Assisted Flares At Purge Rates Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2012Recent field observations by TCEQ have revealed what appears to be poor flare destruction efficiency by some steam and air assisted flares when...
Hose: PRESSURE-Assisted Extraction of Bitumen FROM OIL SANDS for High YIELD and Environmetally Acceptable BYPRODUCTS Conference PresentationAIChE Annual MeetingOctober 18, 2011Hot water extraction of bitumen from oil sands has been commercially applied for decades. The extraction process is greatly aided by the addition of...
The Effect of Fly Ash From Different Coal Sources On the Reactivity of An Iron-Based Oxygen Carrier for Chemical Looping Combustion Conference PresentationAIChE Annual MeetingOctober 17, 2011The University of Kentucky, Center for Applied Energy Research is investigating oxygen carriers (OC) for chemical looping combustion (CLC) with the...
CO2 Reduction and Syngas Production From CO2 and H2O Over Zn Particles In a Packed-Bed Reactor Conference PresentationAIChE Annual MeetingOctober 17, 2011A two-step solar thermochemical cycle for splitting CO 2 and mixtures of CO 2 and H 2 O with Zn/ZnO redox reactions is considered, encompassing: 1)...
Effects of RTD On the Performance of NREL High-Solid Continuous Pretreatment Reactor Conference PresentationAIChE Annual MeetingOctober 17, 2011Dilute-acid pretreatment is one of the most advanced and widely accepted pretreatment technologies. In this study, improvement in the process was...
Deepwater Drilling Regulations In the Gulf of Mexico Conference PresentationAIChE Annual MeetingOctober 16, 2011Deepwater Regulations in the Gulf of Mexico The Deepwater Horizon incident (DWH) of April 2010 led to many changes in deepwater operations in the...
Increased Fouling Potential and Mitigation Plans for Heavy Sour Crude Oils Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011It is becoming a widespread norm that refineries are processing an increasing quantity of heavy and sour crudes than ever before. The depleting oil...
LNG Carrier Polystyrene Foam Cargo Insulation Performance Under Fire Exposure Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011The United States Government Accountability Office (GAO), in its February 2007 report &'Public Safety Consequences of a Terrorist Attack on a...
Scoping Study of Methanol Production From CO2 with Nuclear Electrolysis H2 Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011A scoping study of system costs for producing methanol from CO 2 and H 2 using low-carbon electricity to supply the hydrogen from commercial...
Influence of Pre-Heat Train Performance and Fired Heater Design on Fuel Efficiency of Crude Distillation Units Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011The amount of heat recovery achieved in the pre-heat train used ahead of the fired heater feeding a crude oil distillation unit does not just affect...
Modeling the Vapor Source Associated with the Spill of LNG Into Troughs and Trenches Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Modern LNG receiving terminals are often configured with LNG piping outside of the tank impoundment area with troughs and trenches to capture any...
Advanced Hydrogen Management : More Than a Balancing Act Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Modern high complexity refining landscape involves increasing proportion of “opportunity crude” processing and widened bottom-of-the-barrel...
Challenges In Using Refinery Fuel Gas Feedstock for Steam Reforming Based Hydrogen Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011CHALLENGES IN USING REFINERY FUEL GAS FEEDSTOCK FOR STEAM REFORMING BASED HYDROGEN PLANT Peter V Broadhurst & Graham Hinton (Johnson Matthey...
More Refinery H2 through Efficiency, Recovery, and Process Improvements Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Hydrogen is even more important to refiners than it was just a few years ago. Heavier crudes, clean fuels, and increased conversion have increased...
User Beware: When Simple Consequence Models Can Give the Wrong Answers Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Over the past few years, the use of computational fluid dynamics (CFD) models for safety analyses of LNG facilities in the United States has been...
Practical PID Control: Use Filters for Better Disturbance Rejection and Setpoint Tracking Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Many of the practical problems in achieving high performance feedback control for challenging applications have been addressed by modifications to...
Wastewater Treatment for Refineries Using Canadian Tar Sands SAGD Crude as Feed Stock Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Refineries using Canadian Crude as feed stock are experiencing high emulsion wastewater from Desalter mud wash operation. This waste is high in COD /...
Evaluating the Heat Exchanger Technologies Available for Use In Refinery Pre-Heat Trains Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Fouling behaviour is a crucial consideration in the selection and design of heat exchangers to be used in refinery pre-heat trains. We make the...
Critical FLNG Project Enablers: Identified Risks and Mitigation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Energy demand in the next two decades is expected to increase by 50 percent or more driven by the engine of economic growth. In parallel, the global...
The Importance of Carbon and Hydrogen Management In the Development of Thermochemical Production of Biofuels Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Biomass has the potential to supply significant quantities of transportation fuels as increasing worldwide demand will place significant pressure on...
LNG Tank Top Fires Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011The regulatory requirements of 49 CFR 193, Liquefied Natural Gas Facilities: Federal Safety Standards, require thorough engineering reviews before...
Operational Inputs Into the Mechanical Integrity Program Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011A predictive mechanical integrity (MI) program is based on the following: * Damage mechanisms that affect process equipment. * Rate at which...
Using Simple CFD Models to Identify Efficient Baffle Arrangements for Shell-and-Tube Heat Exchangers Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Chemical reaction fouling is principally controlled by two factors: wall temperature and local fluid shear stress. Computer programs for the design...
Process Automation During Refinery Unit Transitions Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Process Automation ideas and technologies have been used sporadically for decades. However, in US refineries, automation technologies are still...
Mitigation of Preheat Fouling by Eliminating the Cause Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Today, there is no excuse for not getting five years or more on the run length of refinery preheat exchangers without the need for cleaning. Among...
Effective Quantification of LNG Risks From Terminals and Floating Storage and Regasification Units (FSRU) Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011This paper provides a detailed step-by-step approach of how to conduct an effective quantitative risk assessment (QRA) of a typical LNG terminal and...
Inferential Monitoring & Optimization of Crude Units Via Hybrid Models Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Refinery crude units often process variety of feedstocks. If properties of the feed entering the crude unit are not precisely known, it is difficult...
Effect of the Characteristic Dimension of Catalytic Wall Microchannels and Microslits on the Performance of Microreactors Coupling the Methane Steam Reforming and Combustion Reactions: A CFD Simulation Study Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011Effect of the Characteristic Dimension of Catalytic Wall Microchannels and Microslits on the Performance of Microreactors Coupling the Methane Steam...
New Process for Natural Gas Liquid (NGL) and Olefins Recovery From Low Pressure off-Gas Generated In Refineries and Petrochemical Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 15, 2011There are various NGL(Natural Gas Liquid) recovery units in North America which are designed to recover olefins and NGL components like ethane,...
Reducing the Load on Cooling Towers through Revamping of Individual Coolers Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The engineering of cooling water systems involves a consideration of both hydraulic and thermal behaviour. Unfortunately this is often ignored. For...
Novel Additives to Improve Resid Quality Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011With an increasing focus on resid upgrade and bottom of the barrel conversion over the years due to economic advantages, refiners are increasingly...
Simple Procedure for Determining Scope and Means of Transferring Energy Between Zones of Integrity Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Problem decomposition is the preferred approach for the design of heat recovery networks where a plant has many hot and cold streams. In this...
New Cooling Application: Total Heat Removal From Base Load LNG Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Most new and existing liquefied natural gas (LNG) plants have used dry air cooler (DAC) technology to reject the total heat required to liquefy...
New Continuous Coking Process Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011NEW CONTINUOUS COKING PROCESS A new coking process can accept resid feed from the conventional resid heater in a coking plant and continuously...
Chemical Insights Indicate Process Opportunities for Residue Processing Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The vacuum residue fraction of petroleum is one of the most complex mixtures of compounds known, one which continues to defy comprehensive analysis...
The Role of Heat Exchangers In Post-Combustion CO2 Capture Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The role of heat exchangers in post-combustion CO2 capture Warren Ziegler Motivation: The overall energy penalty for post-combustion carbon capture...
Handling LPG Components In LNG Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Natural Gas Liquid (NGL) recovery is an inherent part of most Liquefied Natural Gas (LNG) production trains. The requirement serves many purposes,...
In-Detail Chemistry of Hydrocarbon Partial Oxidation Reaction by Plasma Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011In the plasma reforming of hydrocarbon fuels, especially in a partial oxidation process, characteristic parameters of the reaction can be sorted as...
Resin Wafer Electrodeionization for Flue Gas Carbon Dioxide Capture Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Energy efficient capture of CO 2 from coal-fired power plants is one of the grand challenges for the U.S. both to end dependence on imported energy...
Efficient Power Recovery In LNG Regasification Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Regasification plants vaporize liquefied natural gas using mainly high-pressure LNG pumps and heat exchangers. The vaporization pressure corresponds...
Predicting Operating Regimes In Heavy Gas Oil Hydrotreating Reactors Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Predicting Operating Regimes in Heavy Gas Oil Hydrotreating Reactors Jinwen Chen and Mugurel Munteanu CanmetENERGY, Natural Resources Canada One Oil...
Thermal Plasma Gasification of Different Coals with Carbon Dioxide Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Carbon dioxide emissions from conventional coal-fired power plants constitute the majority CO 2 emissions in the U.S. Mitigation of CO 2 by chemical...
Effects of Hydrogen Content on Nitrogen Expansion Liquefaction Process of Coke Oven Gas Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Coke oven gas (COG) is a by-product when producing coke from coal. It is not always easy to make use of COG, causing waste of energy. Producing...
Synthesis and Characterization of Trimetallic Ni(Co)-Mo-W HDS Catalysts Supported on Al-HMS Substrates Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Synthesis and Characterization of Trimetallic Ni(Co)-Mo-W HDS Catalysts Supported on Al-HMS Substrates R. Huirache-Acuña 1 , B. Pawelec 2 , E.M...
Steam Utility Systems Are Not "Business as Usual" for Chemical Process Simulators Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The operating costs of a typical refinery utility system are so significant that small operational improvements can result in large annual savings...
One-Step Deposition of Photocatalytically Active TiO2 Films Via Wire-to-Plate Dielectric Barrier Discharge Plasma at Atmospheric Pressure Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011One-step deposition of photocatalytically active TiO 2 films via wire-to-plate dielectric barrier discharge plasma at atmospheric pressure Lan-Bo Di...
The Impacts of Tight Gas and Shale to Global LNG Market and Gas Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011“Do we have enough gas?” This question asked by former Federal Reserve Chairman Alan Greenspan in 2003 had prompted him to declare that the US did...
Improved LNG Plant Performance Through Higher Thermodynamic Efficiency Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011For many years, the LNG industry has focused on large baseload plants. Recently, more attention is being given to smaller LNG facility sizes and...
Petroleum Resid Conversion: Opportunities and Limitations Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011In the conversion of vacuum resids one has the option to form coke as a byproduct or to devise conversion processes that prevent coke formation while...
Plasma Assisted De-NOx In Diesel Engine Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Plasma assisted De-NOx systems in mobile application are introduced. In general, de-NOx process requires reductant for reducing catalyst. NH3(Urea)...
Using a Continuous MPC Algorithm to Control An Unsteady Batch Fermentation Process Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Classical MPC has been leveraged to improve control on a nonlinear unsteady-state system, batch alcohol fermentation. The controller uses a hybrid...
Non-Thermal Plasma Gasification of Residual Tars and Oils From Biomass Gasification Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Non-Thermal Plasma Reforming of Refractory Tars and Oils Generated by Biomass Gasification L. Frost 1 , S. Elangovan 1 , and J. Hartvigsen 1 1...
Study on Energy Consumption for Natural Gas Liquefaction Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The main purpose of this work is to optimize natural gas liquefaction process by reducing energy consumption. At first, a rigorous simulation of...
Multi-Model MPC for a Complex pH Neutralization Process Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Control of feed pH control is an important task in chemical industries, wastewater treatment, polymerization reactions, fatty acid production and...
The Destruction of Dioxins In Fly Ash by Using Gliding Arc In Tornado Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The characteristic of gliding arc in tornado was investigated under different experimental conditions and the destruction of PCDD/Fs (polychlorinated...
Helium Extraction From Nitrogen Rejection Unit Stream of LNG Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Helium is a major rare gas that has a lot industrial and research application. Potential production has traditionally come from natural gas and the...
Exploitation of Low-Grade Heat In Site Utility Systems Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011The site utility system provides the heating, cooling load along with power production for the processes on the total site. Low-grade heat is...
Synthesis Gas Cleanup with Nonthermal Plasma Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 14, 2011Plasma processes are very useful in industry because plasma has the unique characteristic of producing active species in large numbers of energetic...