Process Control

Advanced Control of Wild Loads to or from Multiple Units

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 4:00pm-4:30pm
Advanced Control of Wild Loads to or from Multiple Units Darwin Logerot , ProSys, Inc., Houston, TX In many situations in refineries and chemical...

Control Strategies and Parameters to Improve Reactor Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 3:30pm-4:00pm
There is an incredible difference in process dynamics, control strategies and tuning rules based on the type of reactor. Considerable disagreement...

Impact of Control Valve Performance on Control Performance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 2:40pm-3:05pm
A significant amount of time is often spent specifying and selecting the proper control valve for the application. However, this effort is generally...

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

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 1:30pm-2:15pm
This session will review the selection criteria for consideration of pressure regulators vs. control valves for uses on various applications to...

Analysis of the Capabilities of Cybersecurity Defenses

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 9:30am-10:00am
The threats to our critical infrastructure continue to evolve. As new cyberattacks are created and discovered, it is incumbent upon us to evaluate...

Pyrolysis Gas Sampling

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2015 - 8:55am-9:20am
PYROLOYSIS GAS SAMPLING Steve Smith David Tamez Duane King Owner – President Analyzer Engineer Analyzer Engineer Smith Analytical, LLC Saudi Aramco...

Demonstrating Separation and Independence of Automated Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 4:00pm-4:30pm
Layers of Protection Analysis (LOPA) exposes the role that automation plays in causing initiating events and in responding to the resulting abnormal...

A Tutorial on Model Based Loop Tuning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 3:30pm-4:00pm
This presentation provides a tutorial on tuning PID process controllers using the Lambda process model based tuning methodology. This tuning...

Control System Migration Gone Wild - Best Practices & Lessons Learned

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 2:30pm-3:00pm
You have configured the new automation system and reviewed the checklist. Now at start up, loops are not performing the way you expected. Valves are...

Steam Load Shedding System Design Using Dynamic Simulation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 2:00pm-2:30pm
In a refinery, steam utility is one of the most important utilities, which can be used at different temperature ranges. Proper handling of the...

Refrigeration Compressor Recycle Quench Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 11:00am-11:25am
Many olefins plant refrigeration compressors use a spray quench of liquid refrigerant to cool the hot recycle gas stream. Typically, the recycle flow...

European Efforts in Process Intensification

Live Webinar
Live Wednesday, August 19, 2015 - 2:00pm-3:00pm
European Union (EU) efforts to develop Process Intensification (PI) for the chemical industry have been more focused and organized than US efforts...

Integrated Process Synthesis

Public (classroom) Course
As a chemical engineer, before you can make proposed process alterations you must consider the potential investment return. Yet, typically this...

Pilot-Scale Testing of the Glyocolic-Nitric Acid Flowsheet

Conference Presentation
AIChE Annual Meeting
Tuesday, November 18, 2014 - 3:45pm-4:15pm
The Defense Waste Processing Facility (DWPF) treats legacy nuclear waste generated at the Savannah River Site (SRS) during production of plutonium...

Improving the Control of Process Flows

Conference Presentation
Southwest Process Technology Conference
Friday, October 10, 2014 - 10:30am-11:00am
This presentation will introduce an unusual flow control algorithm that out-performs the PID algorithm when used for flow control. The algorithm was...

Cracker Feedstock Changes: From Naphtha to Ethane Cracker

Conference Presentation
Southwest Process Technology Conference
Friday, October 10, 2014 - 9:00am-9:30am
Driven by the US shale gas boom, cracking ethane to ethylene became more attractive than cracking liquid feedstocks in the last years. Therefore...

Dewaxing Challenging Paraffinic Feeds in North America

Conference Presentation
Southwest Process Technology Conference
Thursday, October 9, 2014 - 9:30am-10:00am
With the more difficult and highly paraffinic feedstocks on the market along with more stringent diesel specifications, the need to provide an...

Identifying Energy Efficiency Opportunities in the Process

Conference Presentation
Southwest Process Technology Conference
Thursday, October 9, 2014 - 9:30am-10:00am
The most neglected area for energy efficiency evaluations in the process industries is within the process itself. Most programs focus either on...

Use Modeling to Evaluate Processing Solutions for Heavy Oils

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 2, 2014 - 4:00pm-4:30pm
The world’s energy industry has followed the availability of easily attainable and economically feasible supplies for the oil segment that has moved...

Processing Shale Oils in FCC: Challenges and Opportunities

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 2, 2014 - 2:30pm-3:00pm
Shale Oils such as Eagle Ford and Bakken are fast becoming a major feed source for US refineries. The rapid introduction of shale oils to the...

Gas Trial for FLNG Nearshore Commissioning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 2, 2014 - 2:00pm-2:30pm
Gas trial is the important process to evaluate Cargo System Performance for FLNG Project. Several methods are now being considered and we will...

Lambda Tuning Methodology for Level and Other Integrating Processes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, March 31, 2014 - 1:30pm-2:00pm
Tuning PID controllers for integrating processes, such as levels, can be frustrating and counterintuitive. For example, reducing the controller...

Cascade Utilization of Fuel Gas Energy in Gtl Plant

Conference Presentation
AIChE Annual Meeting
Thursday, November 7, 2013 - 4:45pm-5:00pm
This paper investigates on a GTL plant with ATR syngas production and proposes a new process to use GT/WHRGSP to replace the fired heater. The new...

CO2 Utilization Via Chemical Looping Process

Conference Presentation
AIChE Annual Meeting
Thursday, November 7, 2013 - 1:45pm-2:15pm
Introduction Chemical looping is one of several emerging technology options capable to reduce the carbon dioxide emissions and helping in a diverse...

The Renaissance of the North American Energy Sector

Conference Presentation
Southwest Process Technology Conference
Friday, October 4, 2013 - 1:00pm-4:00pm
Until just a few years ago, the widespread view was the U.S. was a mature oil and gas province with production in general decline. However, with the...

Project Execution Using the Stage Gate Process

Conference Presentation
Southwest Process Technology Conference
Friday, October 4, 2013 - 1:00pm-3:30pm
In recent years more and more projects are being executed effectively using the “Stage Gate” process. This presentation provides an overview of the...
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