2011

Sustainability of Biomass Crop Production

AIChE Annual Meeting
Oct 16, 2011
Woody biomass is renewable only if sustainable production is imposed. How to evaluate the benefit of different biomass crop species on a...

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,...

PSM Metrics Impact on Process Safety Culture

Global Congress on Process Safety
Mar 15, 2011
Several years ago our facility recognized the need to expand from a PSM Program managed by a small group to a PSM Culture owned by the full facility...

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...

Acid Release From Catalyst Tanks

Global Congress on Process Safety
Mar 15, 2011
This is the story of how the cumulative effects of several seemingly innocent changes to a catalyst system resulted in a near miss Process Safety...

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...

An Update on OSHA's PSM National Emphasis Programs

Global Congress on Process Safety
Mar 15, 2011
Since 2007, OSHA has initiated two major National Emphasis Programs (NEPs) in process safety. The Petroleum Refinery Process Safety Management NEP (...

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...

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...

What to Do When Nothing Has Happened?

Global Congress on Process Safety
Mar 15, 2011
Often during a Layer of Protection Analysis (LOPA) or a Quantitative Risk Analysis (QRA) study, historical information indicates no occurrences of a...

LNG Tank Top Fires

AIChE Spring Meeting and Global Congress on Process Safety
Mar 15, 2011
The regulatory requirements of 49 CFR 193, Liquefied Natural Gas Facilities: Federal Safety Standards, require thorough engineering reviews before...

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...

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...

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...

Implementation of PSM In Capital Projects

Global Congress on Process Safety
Mar 14, 2011
It is critical to embed Process Safety Management in the capital project system to help achieve a safe start-up. This is the foundation for assuring...

Plasma Assisted De-NOx In Diesel Engine

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
Plasma assisted De-NOx systems in mobile application are introduced. In general, de-NOx process requires reductant for reducing catalyst. NH3(Urea)...

Synthesis Gas Cleanup with Nonthermal Plasma

AIChE Spring Meeting and Global Congress on Process Safety
Mar 14, 2011
Plasma processes are very useful in industry because plasma has the unique characteristic of producing active species in large numbers of energetic...

Portfolio Risk Management for Process Safety

Global Congress on Process Safety
Mar 14, 2011
A majority of PSM tools and risk methodologies are focused on risks at individual sites or process units. For example, PHA risk ranking matrices are...
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