Process Automation & Control

Cracker Feedstock Changes: From Naphtha to Ethane Cracker

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

Use Modeling to Evaluate Processing Solutions for Heavy Oils

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

Gas Trial for FLNG Nearshore Commissioning

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

Cascade Utilization of Fuel Gas Energy in Gtl Plant

Conference Presentation
AIChE Annual Meeting
November 7, 2013
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
November 7, 2013
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
October 4, 2013
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
May 2, 2013
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
May 1, 2013
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
May 1, 2013
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
April 30, 2013
An industrial steam distribution system with multiple headers, turbines, boilers, and reducing valves is managed with header control strategies that...

Fundamentals of Model Based Loop Tuning

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

Opportunities and Challenges for Advanced Biofuel Industry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 3, 2012
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
April 3, 2012
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...

Relief Design for Laboratories and Pilot Plants

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

Advanced Control of Multiple Sulfur Recovery Units

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2012
Sulfur Recovery in a Refinery entails collecting sour vent gases (containing H2S) from a number of sources, including Hydrotreaters, Hydrocrackers,...

Dynamic Simulation of Demethanizer and Chilling Train System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2012
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
March 15, 2011
Process Automation ideas and technologies have been used sporadically for decades. However, in US refineries, automation technologies are still...

Model Predictive Control: An Overview and Selected Applications

Archived Webinar
Sep 30, 2009
Model Predictive Control (MPC) is the most commonly advanced control technique applied in the chemical process industries. In this Webinar, basic feedback control principles are reviewed using a simple surge tank example. Important challenges in petroleum refining and other large-scale chemical...

Go Wireless

October
2017
Instrumentation
Dale Perry
Wireless adapters help plants acquire stranded data from HART-enabled instrumentation to reduce operator rounds, prevent overfill, track inventory, and more.

A Tutorial on Model Based Loop Tuning

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 27, 2015
This presentation provides a tutorial on tuning PID process controllers using the Lambda process model based tuning methodology. This tuning...

Video Tutorial: Intro to PID Controllers

December 29, 2016

One of the very latest screencasts from LearnChemE discusses the PID family of controllers, what they do, and how they work. The tutorial covers P-only, I-only, PI, D-only and PID.

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