Process Automation & Control

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-...

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...

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...

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...

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...

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...

Non-Invasive Closed Loop Step Testing Technology for MPC Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 4:00pm-4:30pm
Multivariable Predictive Control (MPC) is the most widely used advanced process control technology in the process industries. For instance, there are...

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...

Fundamentals of Model Based Loop Tuning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 2:30pm-3:00pm
There are many methods to tune PID controllers. This presentation provides a tutorial on tuning PID process controllers using Internal Model Control...

A Unified PID Control Methodology to Meet Plant Objectives

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 1:30pm-2:30pm
Plant objectives for basic and advanced regulatory control can be quite diverse. PID control plays an important role in maximizing safety,...

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...

Relief Design for Laboratories and Pilot Plants

Conference Presentation
Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Relief evaluation and system design for laboratories and pilot plants presents unique challenges to the relief designer. Relief devices designed for...

APC2: Aligning People with Control

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
Advanced Process Control (APC) can take on many flavors and levels of sophistication. On the digital control systems (DCS), advanced regulatory...

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...
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