Successful Retrofit Applying Ultra-Low NOx, High-Capacity Burners on an Existing Heater with a Small Radiant Section Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Successful retrofit of high capacity ultra-low NOx burners is accomplished via thorough evaluation of the existing heater, comprehensive CFD modeling...
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...
Dynamic Simulation and Operability Study on Parallel Compressor Strings for LNG Application Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017New train configurations have been developed to satisfy new requirements in LNG industry in terms of availability of liquefaction plants. GE Oil&...
Utilize Process Capacity and Controller Tuning to Attenuate Process Variability and Improve Process Performance Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Surge tanks are often used to provide a buffer between unit operations to help isolate process upsets and reduce flow variability passed between the...
Forward or Reverse – Which Direction Benefits Your Brownfield Automation Project? Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Ok, you have decided on a brownfield automation project. Your automation system is 20 to 25+ years old. Do you sit down with PI&Ds (As Builts?)...
Modular Software Product Line Approach for Automation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017This paper examines the advantages of utilizing a Software Product Line type of approach with modular code structures to process automation...
The Role of APC in Industry 4.0 Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017The process industry is undergoing a significant transformation that will change the way plants are controlled, operated and maintained. This...
Rapid Hydrotreating Catalyst Lifetime Determination and Deactivation Sensitivity Assay Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Activity and stability of hydrotreating catalyst is extremely important in hydroprocessing, as it determines how long the reactor can be operated...
Inherently Safer Automation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017The 2 nd edition of CCPSâs Guidelines for Safe Automation of Chemical Processes discusses the application of the inherently safer...
New Guidelines for Managing Asset (Mechanical) Integrity Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Ensuring the initial and ongoing integrity of process equipment, including instrumentation and safety systems, has become known as asset integrity...
Versatile Cryogenic Nitrogen Rejection Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Nitrogen is considered as ballast in natural gas and other fuel gas streams. Thus, most of the pipeline gas specifications limit the nitrogen content...
Recent Developments in the Optimisation of Crude Oil Distillation Systems Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Crude oil distillation is an energy intensive process that is central to petroleum refining. Over time, the distillation unit and the associated heat...
Dust Explosion Hazards: Housekeeping Quantified Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017DUST-EXPLOSION HAZARDS: HOUSEKEEPING QUANTIFIED Richard W. Prugh, PE, CSP Principal Process Safety Engineer Chilworth Technology, Inc., a Dekra...
Advanced Analytics to Discover the Root Cause of Multi-Variate Control Issues Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Abstract for 2017 AIChE Spring Meeting - San Antonio, TX Presenter: Steve Obermann Advanced Analytics to Discover the Root Cause of Multi-variate...
Building a Solid Foundation for a Successful Advanced Process Control (APC) Application Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Advanced Process Control (APC) technologies such as Multi-Variable Control (MVC) and Model Predictive Control (MPC) have been around for a long time...
Natural Calamities and Challenges in Preventing and Mitigating Impacts in Japanese Refineries and Petrochemical Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017On March 11, 2011, Japan suffered the Great East Japan Earthquake of magnitude 9.0. It was the most powerful known earthquake to have hit Japan in...
Process Event Avoidance: Using Identification of Process Faults to Avoid Abnormal Process Events Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Process faults are a significant concern in the chemical and petrochemical industry. Process operators typically become aware of process faults only...
How Non-Condensables Affect Your Ethane/Ethylene Liquefaction Process – Different Concepts to Reduce Power Consumption and Product Losses Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017How Non-Condensables Affect Your Ethane/Ethylene Liquefaction Process - Different Concepts to Reduce Power Consumption and Product Losses The...
New High Capacity Adsorbent for Oxygenate, Nitrogen, and Sulfur Compound Removal from Olefinic C4 Streams Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017Demands placed upon C4 olefin producers have been pressed in light of the global petrochemical market and has led producers to re-evaluate...
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...
Beyond Being Proactively Reactive Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 29, 2017In the last 20 years, Industry has made great strides in utilizing tools to manage the day-to-day business of equipment failure in order to minimize...
Challenges in the Application of Adsorbent Technologies for Midstream Contaminants Control Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Adsorbent technologies have been used in the midstream industry for contaminant purification from natural gas. Molecular sieves are the product of choice for the deep dehydration required by Liquefied Natural Gas and midstream facilities. Also, adsorbents can remove other impurities such as carbon dioxide, hydrogen sulfide, mercaptans, and mercury. There are different mechanisms for adsorption, some of which are regenerable and some are not. Advances in adsorbents provides a technology overview and high level guidelines to design, operation, and troubleshooting.
How Small of a Cloud We Want to Detect on Our Gas Detectors? Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017There is a crucial question that has room for a lot discussions. How small is really small? The idea of this paper is to cover a series of cloud...
Limiting OSHA’s Authority to Issue Citations (Court Rejects OSHA’s Efforts to Evade OSH Act Statute of Limitations by Alleging Continuing Violation) Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017The Rapidly Changing Regulatory Environment Concerning Agency and Judicial Enforcement of OSHAâs PSM Standard and EPAâ...
RMP and ORA: A New Paradigm for Environmental Safety Management of Chemical Industry in Korea Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Korea experienced a massive chemical dispersion disaster on September 27, 2012, which occurred at the Gumi National Industrial complex in the...
Impact of Impurities on Carbon Molecular Sieve Membranes for Applications in Olefins Units Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017The separation of olefins from paraffins is important in the petrochemical industry.The current dominant technology, cryogenic distillation, is...
Effectively Addressing Damage Mechanism Reviews in a Process Hazard Analysis: A Checklist Approach Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Effectively Addressing Damage Mechanism Reviews in a Process Hazard Analysis: A Checklist Approach Tazim S. Rehmat, ABSG Consulting Inc., 300...
Biojet Fuel Production from Ethanol and Isobutanol Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Biojet fuels production from renewable ethanol and isobutanol will significantly reduce the greenhouse gas emissions from the aviation industry. In...
Effectiveness of Water Sprays in Mitigating Toxic Releases Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Chemical manufacturing operations must consider and prepare for release of toxic chemicals, such as anhydrous ammonia, anhydrous hydrofluoric acid,...
The Integration of Inherently Safer Design and Control 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: Â...
Criteria for Determining the Need for Installation of Fixed FIRE and Gas Detectors in Petroleum Refineries Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017CRITERIA FOR DETERMINING THE NEED FOR INSTALLATION OF FIXED FIRE AND GAS DETECTORS IN PETROLEUM REFINERIES One of the most important aspects of...
New Perspectives on Refinery Corrosion and Integrity Management Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Â Â Â âNew Perspectives on Refinery Corrosion and Integrity Managementâ Â Â Kjell...
Simulation of Selective Treating Processes Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017The selective gas treating process will be used to highlight the differences between mass transfer rate based simulation and ideal stage / efficiency...
Performance Modeling of a Reverse Osmosis Element for Water Purification Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Reverse osmosis (RO) membranes provide reliable and efficient separation of dissolved ions from aqueous feeds and are utilized heavily in large-scale...
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...
Solid-Liquid Separation Technology for Removing Contaminant Fines from Water Scrubbing, Clarifier Effluents and Grey Water Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Treating water for environmental and process benefits is becoming more important in the oil and gas, energy, bioenergy, biochemical and chemical...
“Getting More Out of Your PHAs with Data Analytics” Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Process Hazard Analysis (PHA) studies are required to identify process and operations risks for process plants. PHAs enable management and...
Enhancements in Depressuring/Blowdown Modeling and Why It Matters in Facility Design Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Blowdown or depressuring modeling is a critical activity in the design of high pressure vessels. Under emergency conditions, as the vessel is emptied...
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-...
Automation: Integrating Capital Projects with Turnarounds Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017The traditional view of turnarounds is that they are just maintenance events. In reality, these planned shutdown events are very strategic...
Recent Advances in MVC Technology Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017The Multi-Variable Controller (MVC) is ubiquitous in refining and petrochemicals industries. The MVC technology in recent years has changed a lot...
Optimization for Flare Operation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Abstract Flare operation is a challenging task since the flowrate, net heating value, composition of the vent gas and weather conditions vary...
Offshore Units Safety Management Systems Analysis: Sgso x SEMS II Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Industry has been increasingly demanded regarding safety. Its challenge is to keep its continuity in a horizon of growing operations and external...
Understanding Tolerable Risk Criteria – Considering the Growth of LNG Transportation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 28, 2017Cheap natural gas and the aim to lower emissions from combustion systems such as stationary power generation and heavy haul vehicle engines has led...
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...
The Nature of Ammonium Nitrate Decomposition and Explosions Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017Ammonium nitrate explosions can cause significant destruction as shown with examples in West, Texas (2013) and Tianjin, China (2015). Yet, ammonium...
Carbon Disulfide Removal to Help Meet New Specifications for Petrochemical Grade Naphtha Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017Ethylene producers have linked carbon disulfide (CS 2 ) in petrochemical grade naphtha (PCN) to corrosion in locations downstream of the cracker and...
Trace Contaminant Removal in Petroleum Refining Processes Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017Adsorbents are widely utilized for trace contaminant removal in petroleum refining processes, including fluid catalytic cracking, catalytic reforming...
Energy Efficiency and Profit Optimization for Cogeneration Plants Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017Optimum energy efficiency has long been the primary objective for a cogeneration plant. However, with the increased complexity of power contracts,...
Selection of Cases for Atmospheric Dispersion Modeling Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017In many industrial facilities, toxic and/or flammable substances are discharged directly to the atmosphere. To ensure compliance with health, safety...
Tailoring Big Data Analytics for Optimizing Ethylene Plant Asset Performance Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyMarch 27, 2017Getting the best out of the existing ethylene assets is a key result area for manufacturers. Enhancing the capability to run the plant reliably and...
C2 Front-End Hydrogenation Improvements Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016The presentation will address the parameters influencing selectivity and the impact over time. A side-by-side comparison of 5+ year operating data of...
Molecular Sieve Cracked Gas Dryer Tutorial Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016This tutorial provides an overview of adsorption technology. It will cover the following topics: adsorption phenomenon, structure and chemistry of...
A New Era in on-Purpose Butadiene (OPBD) Technology Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Butadiene is produced almost entirely as a byproduct of ethylene plants. As ethylene plants switch from naphtha feedstock to cheaper ethane, the...
Fault Detection Using Multiscale Shewhart Charts: Algorithm and Applications Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Fault detection is an important requirement for the safe and reliable operation of various processes. Control charts (such as the Shewhart chart,...
It's All about the Money, Reducing Operating Costs in Heavy Metals Wastewater Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016It’s all about the Money Acid Mine Drainage (AMD) is naturally occurring water that continues draining from mines after they are closed. This...
Design of a Marinized Liquefaction Process for FLNG Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016
Acetylene Hydrogenation Tutorial Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Acetylene Hydrogenation Tutorial Author: Edgar Mohundro – Acetylene hydrogenation is a very important step in most olefins plant operations...
Full Range Natural Gas Processing Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Large and untapped natural gas reservoirs offer the opportunity to design a versatile and efficient gas processing complex. An optimized concept for...
Nonlinear Partial Least Square (PLS) Methods with Generalized Likelihood Ratio Test (GLRT) for Fault Detection and Diagnosis of Chemical Processes Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Nonlinear partial least square (PLS) methods with generalized likelihood ratio test (GLRT) for fault detection and diagnosis of chemical processes...
Manage Risk and Improve Production Start-up of Capital Projects Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016In the final phases of a capital project, there are periods of high risk and several opportunities to shorten the time to full, on-spec production...
Dynamic Simulation for APC Projects: A Case Study on a Reformate Splitter with Side Draw Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016What happens when one tries to control the same impurity – here benzene content – in the top, the bottom and the side draw of a Reformate...
Inherently Safe Design for Vertical Knock-out Drums and Vapor/Liquid Separators Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016IN GAS PROCESSING AND LNG PRODUCTION, LARGE DIAMETER VERTICAL COMPRESSOR SUCTION DRUMS AND VAPOR/LIQUID SEPARATORS ARE COMMON. THE LIQUID LEVEL IN...
Evaluation and Prevention of Potential Cold Embrittlement Hazards in Petrochemical Facilities Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016A summary of contemporary practices and approaches for evaluating and preventing potential cold embrittlement hazards within ethylene production...
What has happened to the Enthusiasm for Computer Control in the Chemical and Petroleum Industries? Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016The enthusiasm for Computer Control and Optimization relative to 20 years ago has almost vanished. The evidence of this is all around us. The Real...
Use of Hitran Tube Side Enhancement in Revamps to Improve Operability and Efficiency Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Over the past decades various innovations in the design of heat exchangers have been major driving forces in the improvement of thermal process...
In-Breathing Requirement for a Tempererd Tank Exposed to Prolonged Sudden Rainfalls Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 13, 2016Low-pressure storage tanks are normally large tanks, which contain huge amounts of product within thin walls, typically made by one metal sheet. Low...
Inherently Safety Quenching of HCN Polymerization with Phosphoric Acid Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Hydrogen Cyanide (HCN) product is stored in tanks at many production facilities. It is capable of self-reaction that could end in explosive...
Dividing Wall Column - Design for a Retrofit Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016A market opportunity arose for a higher value market for an existing product line if key impurities could be reduced an order of magnitude below...
Safety Practice for Refinery and Petrochemical Plants - During the Major T&I (Turnaround & Inspection) Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Safety Practice for Refinery and Petrochemical in the Major T&I Rabigh Refinery and Petrochemical Company (Petro Rabigh), is an integrated...
Improving Combustion Efficiency, Reliability, and Safety in Large Fired Heaters Utilizing Multiplexed Laser Based Monitoring and Diagnostic Systems Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Operators are often challenged to maintain well-balanced, uniform combustion across a large fired heater in order to optimize efficiency, reliability...
Hydrates in Ethylene Plant Cold Section Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Ethylene plants are at risk of hydrate formation due to the very nature of the process: wet hot section followed by high-pressure, cryogenic...
New Superstructure-Based Optimization for Process Intensification Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Process intensification enables “multi-tasking” by combining reaction, separation and other operations in a single unit, and leads to a substantially...
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...
Risk Based Process Safety Program in R & D Facility Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Research & Development facility comprises of pilot plants & laboratories which are designed & constructed to perform new experiments/...
Preliminary Evaluation of High-Pressure Circulating Fluidized Bed Biomass to Fuels Technology Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Pyrolysis of second generation biomass, such as crop residues or non-food crops, seems to be a very promising option for generating clean, renewable...
Next Generation Phenol Technology Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016The Next Generation Phenol technology offers phenol producers with growth prospects and/or producers pursuing vertical integration of their refining...
Carbon Disulfide (CS2): A New Challenge for Steam Cracker Complexes Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016Chemical companies are continuously exploring new opportunities in order to increase competitiveness. In today’s market this can be attained...
Quantification of Double Contingencies in Overpressure Design Philosophy By Fault Tree Analysis Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016The design of relief systems, specifically relief valve sizing, remains a crucial factor in mitigating the consequences of overpressure accidents in...
The Use of hiTRAN Wire Matrix Technology for the Size Reduction of Heavy Crude Heat Exchangers in Separation Processes Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 12, 2016The flow characteristics of heavy crude oils make them difficult to process with conventional refining equipment. Heating and cooling capacity is...