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Process Automation & 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,...

February 2016 CEP Preview

February 18, 2016
SAFETY Predict Incidents with Process Safety Performance Indicators Become a seer of process safety incidents with carefully chosen process safety performance indicators (PSPIs)...

March 2016 CEP Preview

March 16, 2016
This month, CEP looks at big data analytics in a special section, as well as covering PID for process engineers and aerobic fermenter optimization.

Statistical Quality Control Charts

eLearning (online) Course
Improve quality control of your processes and save time and money by avoiding unnecessary operational changes. This eLearning course will equip you...

June 2016 CEP Preview

June 14, 2016
This month a special SBE supplement looks at commercializing industrial biotechnology.

Video Tutorial: Intro to Cascade Control

July 14, 2016
Wondering when cascade control is best used? Learn about its advantages and understand when cascade control presents disadvantages. This video tutorial will also look at the block...

Video Tutorial: Cascade Control

August 9, 2016
Not sure when cascade control makes sense? Unclear about its drawbacks, or how it's properly implemented? Then check out this recent screencast from the Learn ChemE series from...

AIChE Journal Highlight: Tribute to Founders: Roger Sargent

September
2016
Journal Highlight
Widely recognized as the intellectual leader, father, and pioneer of process systems engineering, Roger Sargent has played a role in shaping the chemical engineering discipline. A tribute to Sargent in the September issue of the AIChE Journal...

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...

Video Tutorial: Feedforward Control

August 23, 2016
Recently we featured the Learn ChemE screencast about cascade control . Today, we follow up with an introduction to feedfoward control. This tutorial explains how feedforward...

Manage Risk and Improve Production Start-up of Capital Projects

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 1:00pm-1:30pm
In the final phases of a capital project, there are periods of high risk and several opportunities to shorten the time to full, on-spec production...

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...

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...

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...

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...

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...

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...

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...

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-...

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...

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...

Process Control in Ethylene Plants: A Historical Perspective

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, May 2, 2013 - 8:00am-8:30am
Process control has been the cornerstone of automation technology in ethylene plants for the past several decades. Stiff global competition combined...

LNG Technology Development at Air Products

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, May 1, 2013 - 12:00pm-12:30pm
This presentation will trace the beginning of MCR (mixed components refrigerant) and use of Coil Wound Heat Exchanger, from helium recovery to the...

Nonlinear APC Solution for Polypropylene Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, May 1, 2013 - 8:30am-9:00am
Abstract A Nonlinear Model Predictive Control Solution has been implemented on the two Polypropylene Lines at Saudi Polyolefins Company (TASNEE)...

Balancing Act - Simple Techniques for Steam Header Controls

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 10:15am-10:45am
An industrial steam distribution system with multiple headers, turbines, boilers, and reducing valves is managed with header control strategies that...

Take the Guess Work Out of Testing Your Safety Instrumented System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 10:15am-10:45am
Key Words Process Safety, IEC 61508, Programmable Electronic Systems, Architectural constrains, Periodic Automatic and Manual Testing, Safety...

Abqaiq Plant Virtual Plant RTO Implementation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 4:00pm-4:30pm
Abqaiq Plant Virtual Plant RTO Implementation Abstract Abqaiq Plant is the largest worldwide crude stabilization plant with $200MM energy consumption...

Eliminating Difficult Start Ups with State Based Controls

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Some processes are just difficult to start up. Every year, significant production is lost due to start up delays, product quality issues after...

Opportunities and Challenges for Advanced Biofuel Industry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Biofuels have been criticized for leading to rise in food costs. Advanced biofuels steer clear of this controversy as they are produced mostly from...

Amine Treating: A Technology Review and Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Removal of H 2 S and CO 2 from gas streams and liquid hydrocarbon streams is important in many industrial processes. Solutions of aqueous amines have...

MPC Revamp of Two Naphtha Crackers, Lessons Learned and Relearned

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Braskem is the 8th largest petrochemical company in the world and the biggest producer of polymers in the Americas. The Braskem Triunfo site includes...

Dynamic Simulation of Demethanizer and Chilling Train System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 2, 2012 - 12:00am
The chilling train system is an important part of ethylene plant which is usually combined with demethanizer and a series of flash drums to separate...

Process Automation During Refinery Unit Transitions

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, March 15, 2011 - 8:00pm
Process Automation ideas and technologies have been used sporadically for decades. However, in US refineries, automation technologies are still...

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...

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