Chemicals & Materials

Hydrogen Membrane Technology for Ethylene Production

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
HYDROGEN TRANSPORT MEMBRANE TECHNOLOGY FOR ETHYLENE PRODUCTION U. (Balu) Balachandran, T. H. Lee, C. Y. Park, and S. E. Dorris Energy Systems...

The Benefits of a Risk-Based Approach to Facility Siting

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Facility Siting has come under increasing scrutiny in recent years, and is an important aspect of process safety for plant personnel and their...

Carbon Capture Ready Heavy Oil Extraction and Upgrading

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Carbon dioxide emissions from heavy oil production are typically higher than that of producing conventional crudes. Ultimately, carbon dioxide...

Refinery-Wide Topics for Profitability, Reliability and Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
In this session we will review several case studies that will allow you to better understand the importance of process engineering and process safety...

Process Safety Management Training for New Engineers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Abstracts Project: PSM training for new Engineer Presenter: Name VIGNALE, Alberto Eduardo Telephone +54-3487-444372 e-mail alberto.e.vignale@monsanto...

Absorption Refrigeration for Auxiliary Applications in LNG Plant

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
ABSORPTION REFRIGERATION FOR AUXILIARY APPLICATIONS IN LNG PLANT Jordan Belue a , Robert Havlik b , Stanley Huang a , a: Chevron Energy Technology...

Root Cause Study of Debutanizer Column Operational Upsets

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
The NOVA Chemicals Debutanizer Column at the Corunna site experienced operational upsets. Gamma scans revealed that the column had flooded, and upon...

Cost Effectiveness of 2-Row Membrane System for FLNG

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
One of the most critical issues in engineering and design of FLNG is to reduce top side weight along with its load distribution to the sub-structure...

Dynamic Simulation of Demethanizer and Chilling Train System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
The chilling train system is an important part of ethylene plant which is usually combined with demethanizer and a series of flash drums to separate...

Ethylene Industry Review

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
This paper will focus on ethylene business aspects covering: · Global review of the markets and market outlooks for olefins (ethylene / propylene /...

Explosion Hazards of Multicomponent Combustible Gas Mixtures

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
Laminar and turbulent premixed flame burning velocities are two parameters that are sometimes needed to evaluate explosion hazards. There is ample...

Waste Heat Recovery Considerations in LNG Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
WASTE HEAT RECOVERY CONSIDERATIONS IN LNG PLANTS ABSTRACT DOUGLAS WILES, RYAN HOLLENBACH & STANLEY KWAN Thermal integration in an LNG plant...

Tutorial: The Chemistry of Refinery Fouling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
The chemistry of refinery fouling is well enough understood to mitigate nearly all fouling. The key information required are the location of the...

Fate of Ammonia in Refinery Amine Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
Fate of Ammonia in Refinery Amine Systems Ralph H. Weiland, Nathan A. Hatcher & R. Scott Alvis Optimized Gas Treating, Inc. Sugar Land, TX...

Hydrogen Production From Deliquescence of Ammonia Borane

Conference Presentation
AIChE Annual Meeting
Tuesday, October 18, 2011 - 8:00pm
Chemical hydride is one of the most potential hydrogen storage materials which can effectively increase hydrogen storage capacity. To meet the new...

Ethylene Boil-off Compressor Process Safety Incident

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Braskem, a Brazilian player among petrochemical manufacturers, produces monomers, resins and chemicals specialties. The overall Ethylene capacity is...

Cracked Gas Compressor Control Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
The market conditions over the couple of years has prompted many end-users to review antisurge control design to help lower their energy index. A...

Advanced Hydrogen Management : More Than a Balancing Act

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Modern high complexity refining landscape involves increasing proportion of “opportunity crude” processing and widened bottom-of-the-barrel...

Objectives of Anti-Surge Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Objectives of Anti-Surge Control Preventing a compressor surge is the primary purpose of an anti-surge controller. However, there are additional...

Thoughts about Safety, Staying at Zero

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Perfect safety records and perfect environmental records are an “inalienable right”, given to us not by governments, companies, or others. It is a...

Operational Inputs Into the Mechanical Integrity Program

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
A predictive mechanical integrity (MI) program is based on the following: * Damage mechanisms that affect process equipment. * Rate at which...

Process Automation During Refinery Unit Transitions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Process Automation ideas and technologies have been used sporadically for decades. However, in US refineries, automation technologies are still...

Introductory Remarks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm

Flare Minimization Via Dynamic Simulation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Flaring in chemical process industry (CPI) is an important method to protect equipment and personnel safety during the process upset and the chemical...

Mitigation of Preheat Fouling by Eliminating the Cause

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Today, 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...

Improving Ethylene Charge Gas Compressor Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
The changing landscape of the ethylene industry requiring more feedstock flexibility and upstream and downstream integration increases the complexity...

Trip & Throttle Valve Reliability

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Trip & Throttle Valve Reliability Trip & Throttle (or Stop) valves are used in ethylene plants to isolate the energy to steam turbines when...

New Continuous Coking Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
NEW CONTINUOUS COKING PROCESS A new coking process can accept resid feed from the conventional resid heater in a coking plant and continuously...

Prevention of CUI: “ Roadmap to Managing CUI ”

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
This paper details CUI cases as well as the means for preventing, finding and repairing them. Approaches and procedures for managing CUI are...

Bahx Repair

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Abstract: Repair of brazed aluminum heat exchangers requires specialized knowledge. While repairs can be done successfully, improper procedures can...

Catalytic Cracking of FT Products for Light Olefins Production

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
The demand for light olefins is continuing to rise at over 3% per annum. While ethylene production is expected to be addressed by the construction of...

Industry Standards for Composite Repair Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
ABSTRACT A significant amount of work has transpired over the past several years in generating consensus-based standards that include ASME PCC-2 and...

Petroleum Resid Conversion: Opportunities and Limitations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
In 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...

C5 Metathesis for Increased Propylene Production

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
The production of on-purpose propylene via the metathesis of ethylene and butenes now exceed 6% of the total propylene. The supply of butenes is...

Life Cycle of Aluminum Plate Fin Exchangers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Abstract: Corrosion, blockage, fouling, and mechanical/thermal overload are the key degradation mechanisms that operators need to control to avoid...

Multi-Model MPC for a Complex pH Neutralization Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Control of feed pH control is an important task in chemical industries, wastewater treatment, polymerization reactions, fatty acid production and...

Exploitation of Low-Grade Heat In Site Utility Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
The site utility system provides the heating, cooling load along with power production for the processes on the total site. Low-grade heat is...

Novel Additives to Improve Resid Quality

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
With an increasing focus on resid upgrade and bottom of the barrel conversion over the years due to economic advantages, refiners are increasingly...

What Are We Going to Do with All This Natural Gas?” –

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The success in Shale and other unconventional formations has dramatically expanded the N. American Natural Gas reserves and promises to also do so in...

Green House Gas Reporting In the Ethylene Manufacturing Sector

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The Greenhouse Gas (GHG) Mandatory Reporting rule (MRR), codified in Part 98 of Title 40 of the Code of Federal Regulations, requires numerous...

Compressor Train Performance - Evaluation and Monitoring (Part 2)

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
Utilization of Equipment Health Management system tools has allowed end users to monitor, protect and manage the critical rotating machinery in an...

Processing Heavy Crudes In Existing Refineries

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
Increasing amounts of heavy crudes are being produced, particularly in Canada and South America. The discount prices for these crudes, relative to...

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