Process Control

Massive Porter Ranch Gas Leak a Cautionary Tale

February 12, 2016
Months of chaos, fear, and the smell of rotten eggs came to an end at Porter Ranch in Los Angeles on Thursday, once crews digging a relief well finally pierced the deep,...

Dynamic Modeling and Advanced Control of Tablet Press

Conference Presentation
AIChE Annual Meeting
Thursday, November 12, 2015 - 12:30pm-3:00pm
The tablet press is one of the most critical but least understood unit operation involved in both batch and continuous tablet manufacturing process...

Statistical Process Quality Control

eLearning (online) Course
This course is coming soon to the AIChE Academy. If you’d like to be notified once it becomes available, please send an email request to eLearning@...

January 2016 CEP Preview

January 15, 2016
BUSINESS Navigating Oil Price Volatility After several years of stability, oil prices plummeted to record lows in mid-2014. This, along with increased natural gas production in...

European Efforts in Process Intensification

Archived Webinar
Aug 19, 2015
European Union (EU) efforts to develop Process Intensification (PI) for the chemical industry have been more focused and organized than US efforts...

Implement an Effective Loop Tuning Strategy

January
2013
Back To Basics
Norman Ito, Timothy Olsen
Use these loop tuning guidelines to improve process control and enhance product uniformity Many undergraduate chemical engineering programs teach the Ziegler-Nichols tuning methods, developed by John G. Ziegler and Nathaniel B. Nichols in the 1940s...

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...

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 - 9:00am-9:15am
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-11:30am
Many olefins plant refrigeration compressors use a spray quench of liquid refrigerant to cool the hot recycle gas stream. Typically, the recycle flow...

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 - 2:45pm-3:00pm
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...

Integrated LNG and NGL Production

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 2:00pm-2:30pm
Cryogenic NGL extraction plants from natural gas offer an attractive opportunity for LNG production as a side stream. Cold gas is tapped from the...

Brayton Refrigeration Cycle for Small Scale LNG Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 1:30pm-2:00pm
Liquefying natural gas is an industrial process of great importance with the current worldwide production capacity of about 300 million tonnes per...

NOx, NOx, Who's There - Steam Cracker or Smr? a Tutorial and Wrap-up

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 9:30am-10:00am
Now that the remaining pieces of the puzzle have fallen into place, it is instructive to revisit NOx abatement measures for steam cracking and steam-...

Cracking Furnace Line Flushing Pre-Commissioning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2015 - 4:00pm-4:15pm
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...

Advanced Aromatics Recovery Technology with AED-BTX Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 28, 2015 - 8:30am-9:00am
For over forty years, the petrochemical industry has used Liquid-Liquid Extraction (LLE) for the Aromatics Recovery. Even though Extractive...

Non-Conventional Methods of Obtaining Combustible Liquid Fuels

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 4:45pm-5:15pm
Introduction Limited world reserves of liquid fuel as well as the general trend to reduce atmospheric contamination pose many challenges for...

Kraft Lignin Depolymerization Under Hydrothermal Conditions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 4:00pm-4:15pm
Kraft lignin depolymerization was conducted in water and mixture of water and alcohols with different ratios. The highest lignin conversion yields...

Petrochemical Technology Trends: Looking Beyond the Short Term Fix

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 27, 2015 - 3:00pm-3:30pm
The petrochemical industry is both driven by fundamental raw material and product supply-demand factors, and enabled by technologies that open the...

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...

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...

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...

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...
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