Petrochemicals

Multi-Model MPC for a Complex pH Neutralization Process

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
Control of feed pH control is an important task in chemical industries, wastewater treatment, polymerization reactions, fatty acid production and...

New Continuous Coking Process

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
NEW CONTINUOUS COKING PROCESS A new coking process can accept resid feed from the conventional resid heater in a coking plant and continuously...

Processing Heavy Crudes In Existing Refineries

AIChE Spring Meeting and Global Congress on Process Safety
Mar 13, 2011
Increasing amounts of heavy crudes are being produced, particularly in Canada and South America. The discount prices for these crudes, relative to...

Successful Energy Stewardship

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
An energy stewardship program, aimed at driving energy efficiencies from no-cost operational improvements has been implemented with considerable...

Variability, Inventory Uncertainty and Supply Chains

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
This session will develop a fundamental understanding of how cycle time variation in stages of a supply chain propagates into measures of overall...

Applied Hydroaeromechanics in Oil and Gas Drilling

October, 2009
An all-in-one reference combining hydrodynamic theory with drilling applications for the design, planning, and optimization of drilling operations Hydromechanical processes underlie the majority of technology operations in drilling and present a crucial concern as the pace and depth of drilling...

Oxygen/Combustible Safeguards in Low Nox Fired Heaters

AIChE Spring Meeting and Global Congress on Process Safety
Mar 22, 2010
Refineries have been installing low NOx equipment on their fired heaters in response to tighter environmental regulation. Low NOx burners minimize...

Environmental Law and Regulation 101

AIChE Spring Meeting and Global Congress on Process Safety
Mar 21, 2010
This presentation will provide a summary of each of the primary environmental regulatory programs, including air, water, waste and emergency planning...

A New Class of Polymer Inhibitors

AIChE Spring Meeting and Global Congress on Process Safety
Mar 16, 2011
Polymer inhibitors are used within an ethylene plant in locations which are susceptible to aggressive polymer formation i.e. Primary Fractionator,...

Improving Ethylene Charge Gas Compressor Performance

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
The changing landscape of the ethylene industry requiring more feedstock flexibility and upstream and downstream integration increases the complexity...

Trip & Throttle Valve Reliability

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
Trip & Throttle Valve Reliability Trip & Throttle (or Stop) valves are used in ethylene plants to isolate the energy to steam turbines when...

Mitigation of Preheat Fouling by Eliminating the Cause

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
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...

Ethylene Boil-off Compressor Process Safety Incident

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
Braskem, a Brazilian player among petrochemical manufacturers, produces monomers, resins and chemicals specialties. The overall Ethylene capacity is...

Cracked Gas Compressor Control Tutorial

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
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...

Objectives of Anti-Surge Control

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
Perfect safety records and perfect environmental records are an “inalienable right”, given to us not by governments, companies, or others. It is a...

Flare Minimization Via Dynamic Simulation

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
Flaring in chemical process industry (CPI) is an important method to protect equipment and personnel safety during the process upset and the chemical...

Prevention of CUI: “ Roadmap to Managing CUI ”

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
This paper details CUI cases as well as the means for preventing, finding and repairing them. Approaches and procedures for managing CUI are...

Exploitation of Low-Grade Heat In Site Utility Systems

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
With an increasing focus on resid upgrade and bottom of the barrel conversion over the years due to economic advantages, refiners are increasingly...

Industry Standards for Composite Repair Systems

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

C5 Metathesis for Increased Propylene Production

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
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

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
Abstract: Corrosion, blockage, fouling, and mechanical/thermal overload are the key degradation mechanisms that operators need to control to avoid...

Sulfur Myths - What We Know and What We Do Not Know

AIChE Spring Meeting and Global Congress on Process Safety
Mar 13, 2011
The use of organosulfur compounds in steam cracking furnaces to produce ethylene and propylene is a universal practice to essentially prevent carbon...

Fundamentals of Alarm Management

AIChE Spring Meeting and Global Congress on Process Safety
Mar 13, 2011
When the information era began thirty years ago, the focus for the refinery control specialist was placing as much data as possible into the hands of...
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