2011

Pellets From Pretreated Biomass

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Biomass supply is complicated by diversity of feedstocks, seasonal availability, and widely distributed feedstock. The costs of biomass supply and...

Carbon Impact On Lithium-Sulfur Battery Performance

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Several carbons were evaluated for supporting sulfur in a lithium sulfur battery. The carbon properties had a significant impact on performance.

Sustainability of Biomass Crop Production

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Woody biomass is renewable only if sustainable production is imposed. How to evaluate the benefit of different biomass crop species on a...

Deepwater Drilling Regulations In the Gulf of Mexico

Conference Presentation
AIChE Annual Meeting
Sunday, October 16, 2011 - 8:00pm
Deepwater Regulations in the Gulf of Mexico The Deepwater Horizon incident (DWH) of April 2010 led to many changes in deepwater operations in the...

Loss of Downcomer Seal on a Depropanizer During a Plant Start up

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 16, 2011 - 8:00pm
The bottom C4’s product specification could not be met on the Depropanizer tower during a plant start up. The olefins unit had been started with a...

A New Class of Polymer Inhibitors

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, March 16, 2011 - 8:00pm
Polymer inhibitors are used within an ethylene plant in locations which are susceptible to aggressive polymer formation i.e. Primary Fractionator,...

Investigation of the Adsorbed Species of CO2 on Mg(OH)2

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Introduction Fossil fuels supply a majority of the world's energy needs. However, the combustion of fossil fuels is one of the major sources of the...

What to Do When Nothing Has Happened?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Often during a Layer of Protection Analysis (LOPA) or a Quantitative Risk Analysis (QRA) study, historical information indicates no occurrences of a...

Acid Release From Catalyst Tanks

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

Systematic Workforce Involvement In Process Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Workforce involvement is an essential element of effective process safety management. This paper will describe proven methods of workforce...

Synthesis Gas Cleanup with Nonthermal Plasma

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Plasma processes are very useful in industry because plasma has the unique characteristic of producing active species in large numbers of energetic...

Can Functional Testing Be Replaced by Inspection After Demands?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Safety instrumented systems are used to reduce the risk of major accidents in the process industry. To claim a certain risk reduction from such...

Portfolio Risk Management for Process Safety

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

Inherently Safer Design – Not Only about Reducing Consequences!

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Process risk is a function of both the likelihood of occurance of an incident, and of the consequences of the incident. There is a common perception...

Ignition of Dust Layers by Mechanical Sparks

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Dust explosions represent a considerable safety risk in process industry. Statistical records of dust explosions show that 32.7 % of these explosions...

A Work Process for Revalidating LOPAs and Other Risk Analyses

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
The Chemical Process Industry (CPI) has long recognized the necessity of periodically revalidating Process Hazard Analyses (PHAs), such as Hazard and...

Plasma Assisted Combustion for Environmental Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
In the early part of the presentation, a detailed application of a plasma assisted combustor operated in a diesel exhaust line for regenerating DPF (...

Reliable Innovations on Compressors for LNG Value Chain

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 14, 2011 - 8:00pm
Since the restart of its expansion in 1985 with Woodside plant, OEM has tried to support the growth of LNG market all over the years by introducing...

Fundamentals of Alarm Management

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
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...

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

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
The use of organosulfur compounds in steam cracking furnaces to produce ethylene and propylene is a universal practice to essentially prevent carbon...

PSM Auditing Dilemmas

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
In most PSM audits, the audit team will face one or more situations that represent a dilemma. These dilemmas usually require the individual auditor...

New Flare System VOC Regulations & Reduction Control Options

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Sunday, March 13, 2011 - 8:00pm
As this abstract is written, there will be flare system emission testing in a controlled environment underway that will likely pave the way for new...

Bioreactor Design for Chemical Engineers

August
2011
Back To Basics
Gregory T. Benz
Fermentation processes are based on chemical engineering principles. Understand these concepts to achieve optimal bioreactor design.

5 Reasons You Need to Attend Trade Shows

August
2011
Career Catalyst
Joe Bevacqua
Convincing your boss to send you to a trade show can be challenging. Here are five ways you and your employer will benefit, plus tips on how to get the most out of your visit.

Designing Dust Collectors

September
2011
Fluids and Solids Handling
Greg Mehos, P.E.
To assure reliable and safe operation of a dust collector, apply the basic principles of chute and hopper design — which are based on the dust's fundamental flow properties.

Algal Biofuels: The Research

March
2011
SBE Special Section
Kuan-Chen Cheng, Kimberly Ogden
The individual technical elements of the algae-to-biofuels process have already been demonstrated at the laboratory scale. Ongoing research seeks to refine the technology to enable scaleup to commercial production.

Meeting the Needs of the Water-Energy Nexus

April
2011
Critical Issues
Snehal Desai , David A. Klanecky
Water is required to produce energy, and energy is required to make use of water — the two are, and always will be, inextricably linked. Engineers must understand the water-energy nexus in order to manage both efficiently and sustainably.
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