Chemical Engineering Practice

Hydrolysis of Ddg

Conference Presentation
AIChE Annual Meeting
November 11, 2015
Liquid hot water (LHW) extraction was used as a pretreatment method to separate the hemicellulose fraction from dried distiller’s grain with solubles...

Hydrolysis Kinetics of Woody Biomass: Surface Renewal

Conference Presentation
AIChE Annual Meeting
November 11, 2015
Woody biomass is known to be composed of three major components: cellulose, lignin and hemicellulose. Cellulose is the most stable natural polymer in...

Democratizing Fossil Fuel Conversion

Conference Presentation
AIChE Annual Meeting
November 10, 2015
Do you have a billion dollars? Neither do most of the 6 million companies in the Unites States. In fact, less than 10 companies in the U.S. can...

The Travelling Fluidized Bed Project: Working Together

Conference Presentation
AIChE Annual Meeting
November 10, 2015
John Chen had a strong attachment to “challenge problems” to evaluate the ability of models and CFD codes to accurately predict complex fluidization...

Room Temperature Shape Memory Polymers

Conference Presentation
AIChE Annual Meeting
November 9, 2015
Temperature controlled shape memory polymers can be synthesized via a facile method using long chain fatty acid and cross-linked natural rubber. For...

Water Desalination By Shock Electrodialysis

Conference Presentation
AIChE Annual Meeting
November 9, 2015
The development of cost and energy efficient water purification systems, specifically desalination systems, is one of the most critical engineering...

An Introduction to Low Pressure Storage Tanks

Conference Presentation
Southwest Process Technology Conference
October 2, 2015
Storage tanks are an overlooked part of any refinery or chemical plant. They don’t make boatloads of money, but they are an integral part of keeping...

Emissions Testing of Pressure Assisted Flare Burners

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2015
The flare system for a new US Gulf Coast propylene production unit will be a multipoint ground flare utilizing pressure assisted burners. The...

Flare Regulatory Trends and Impact on Ethylene Manufacture

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2015
Global attention on improving oil and gas, refinery, petrochemical, and related industrial flaring practices continues its forward advance intimately...

Advanced Control of Wild Loads to or from Multiple Units

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Advanced Control of Wild Loads to or from Multiple Units Darwin Logerot , ProSys, Inc., Houston, TX In many situations in refineries and chemical...

Bhopal 30 Years Later

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
On the early morning of December 3rd 1984 a large release of methyl isocyanate (MIC) gas occurred in a pesticide production plant located in Bhopal,...

Impact of Control Valve Performance on Control Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
A significant amount of time is often spent specifying and selecting the proper control valve for the application. However, this effort is generally...

Cangrejera Learnings

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Process safety management systems should be in place to ensure repeatability in operations. A good system consists of higher level procedures that...

Regulators Versus Control Valves: What's the Best Fit?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
This session will review the selection criteria for consideration of pressure regulators vs. control valves for uses on various applications to...

Planning Early for Compressor Surge Avoidance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Compressor stations are installed at regular interval to drive the flow of gas in a pipeline. The principal component of the compressor station is...

Fire from the Cascading Failure of an Oxygen Supply System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
This paper discusses the investigation, findings, and root cause analysis of a fire due to the loss of oxygen containment in an ethylene oxide...

Mitigating Variable TDS Levels in Wastewater Biotreatment

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Wastewaters characterized by elevated Total Dissolved Solids (TDS) levels and high organic content are produced by food, petroleum, and petrochemical...

Hybrid Models of Distillation Towers for Plant Optimization

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Real time optimization of plant operations started in 1980s and expanded rapidly during 1990s and early 2000s. Such applications have brought...

Analysis of the Capabilities of Cybersecurity Defenses

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
The threats to our critical infrastructure continue to evolve. As new cyberattacks are created and discovered, it is incumbent upon us to evaluate...

CFD Modeling of Air Emissions from Controlled Flare Tests

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Although significant progress has been made in developing technologies capable of measuring flare efficiencies and emissions in situ, essential...

Optimization Methodology of Bog Rate for the LNG Carriers

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
A new propulsion system, such as Dual Fuel Diesel Engine (DFDE), has replaced the conventional steam propulsion system. Even though Main Engine Gas...

Fundamentals of Amine Systems Design

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
The Fundamentals of Acid Gas Removal provides an overview and a basic guide to design, operation, corrosion and troubleshooting for amine treating...

Integrating Wastewater Reuse with Seawater Desalination

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2015
Freshwater shortages are forcing industrial customers to rethink water supply options. Industrial facilities located near oceans or saline aquifers...

Szorb Sulfur Removal Technology - a Solution of Tier 3

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2015
S Zorb(TM) Sulfur Removal Technology is very different from what is commonly known as the Hydrodesulfurization (HDS) Technologies. What distinguishes...

Refinery Power Outages-Caues, Costs & Solutions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2015
Unplanned refinery shutdowns hit company earnings two ways: lost production and potential liabilities for excess flaring and unsafe operations. In...

Steam Cracking Furnace Pre-Commissioning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2015
In order to bring a steam cracking furnace from construction completion to beneficial operation, suitable pre-commissioning and commissioning...

Mercury Removal in Ethylene Plants: An Update and a Case Study

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2015
Ethylene producers have faced the challenge of feedstock contaminants for decades. Mercury is one of the contaminants often present in ethylene plant...

Cracking Furnace Line Flushing Pre-Commissioning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 28, 2015
The abundance of low cost shale gas has led to numerous projects in North America to expand existing or construct new ethylene production units. Most...

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