Chemical Engineering Practice

Interpreting Piping and Instrumentation Diagrams

January 27, 2011
Learning to read and interpret piping and instrumentation diagrams via dry text-based articles (unlike those produced by yours truly) can be painful. To make this critical topic a...

Using Bacteria to Harvest the Ocean's Minerals

June 22, 2012
The world needs clean water, and increasingly, we're pulling it from the oceans, desalinating it, and drinking it. But what to do with the salty brine left behind? One researcher...

C2 Front-End Hydrogenation Improvements

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 4:00pm-4:25pm
The presentation will address the parameters influencing selectivity and the impact over time. A side-by-side comparison of 5+ year operating data of...

A New Era in on-Purpose Butadiene (OPBD) Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 3:00pm-3:30pm
Butadiene is produced almost entirely as a byproduct of ethylene plants. As ethylene plants switch from naphtha feedstock to cheaper ethane, the...

Acetylene Hydrogenation Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 13, 2016 - 2:05pm-3:00pm
Acetylene Hydrogenation Tutorial Author: Edgar Mohundro – Acetylene hydrogenation is a very important step in most olefins plant operations along the...

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...

Dividing Wall Column - Design for a Retrofit

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 4:30pm-5:00pm
A market opportunity arose for a higher value market for an existing product line if key impurities could be reduced an order of magnitude below...

Hydrates in Ethylene Plant Cold Section

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 4:15pm-4:50pm
Ethylene plants are at risk of hydrate formation due to the very nature of the process: wet hot section followed by high-pressure, cryogenic...

Risk Based Process Safety Program in R & D Facility

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 2:30pm-3:00pm
Research & Development facility comprises of pilot plants & laboratories which are designed & constructed to perform new experiments/...

New Superstructure-Based Optimization for Process Intensification

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 2:30pm-3:00pm
Process intensification enables “multi-tasking” by combining reaction, separation and other operations in a single unit, and leads to a substantially...

Unique Pre-Cleaning Passivation Challenges in Cooling Water Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 2:30pm-2:55pm
Pretreatment of cooling water systems is essential to maximize the service life and reliability of heat exchange equipment. Usually, pretreatment...

Next Generation Phenol Technology

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 2:10pm-2:35pm
The Next Generation Phenol technology offers phenol producers with growth prospects and/or producers pursuing vertical integration of their refining...

Carbon Disulfide (CS2): A New Challenge for Steam Cracker Complexes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 2:05pm-2:35pm
Chemical companies are continuously exploring new opportunities in order to increase competitiveness. In today’s market this can be attained through...

Analysis of Energy Consumption in Industrial Distillation Columns

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 10:15am-10:45am
Distillation is the commonly applied separation process in the chemical process industry as heat is used as the non-contaminating separating agent...

Safer and Smarter Sulfiding of Hydrotreating Catalysts

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 8:50am-9:15am
Catalyst sulfiding (aka "presulfiding") is a critical step to ensure that hydrotreating catalysts perform as designed after startup. In order to...

Preflash Options for Light Tight Oil Processing

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 12, 2016 - 8:30am-9:00am
As light tight oil continues to increase in availability, refiners are challenged with how best to process this unique type of crude oil. With a much...

Boiler Emissions Reduction through Humid Combustion

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 4:00pm-4:30pm
This presentation will compare conventional emissions abatement techniques with alternative options utilizing direct contact heat exchangers, which...

Advances in Asset Health Monitoring and Predictive Analytics

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 4:00pm-4:30pm
Big data is a hot topic in many commercial and industrial applications, and it also applies to the operation of refineries and petrochemical plants...

A Career in Process Safety: 50 Years of LPS

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 11:30am-12:00pm
Drawing from a career from 1962 through 2016 in the chemical and process industries, this paper will describe some informal practices of process...

Making Process Safety Personal - Engaging the Front Line

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 11:30am-12:00pm
The front line is instrumental in implementing process safety, Yet they are rarely engaged in meaningful process safety discussions. We tend to...

Moments of Safety Transformation - Developing Strong Safety Leaders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 11:00am-11:30am
There are pivotal opportunities for leaders to make a fundamental change in the way others see the future state of safety and how they fit into and...

Overview of the High Pressure Gas Safety Act in Japan

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 11, 2016 - 10:30am-11:00am
If handled incorrectly, the high pressure gas widely used in industry can cause damage not only to the plant in which it is being handled, but also...

Emissions Testing of Pressure Assisted Flare Burners

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 30, 2015 - 9:45am-10:00am
The flare system for a new US Gulf Coast propylene production unit will be a multipoint ground flare utilizing pressure assisted burners. The...

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...

Bhopal 30 Years Later

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 3:45pm-4:30pm
On the early morning of December 3rd 1984 a large release of methyl isocyanate (MIC) gas occurred in a pesticide production plant located in Bhopal,...

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...

Cangrejera Learnings

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 2:30pm-3:00pm
Process safety management systems should be in place to ensure repeatability in operations. A good system consists of higher level procedures that...

Planning Early for Compressor Surge Avoidance

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 1:30pm-2:00pm
Compressor stations are installed at regular interval to drive the flow of gas in a pipeline. The principal component of the compressor station is...

Fire from the Cascading Failure of an Oxygen Supply System

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 1:30pm-2:00pm
This paper discusses the investigation, findings, and root cause analysis of a fire due to the loss of oxygen containment in an ethylene oxide...

Hybrid Models of Distillation Towers for Plant Optimization

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 10:45am-11:15am
Real time optimization of plant operations started in 1980s and expanded rapidly during 1990s and early 2000s. Such applications have brought...

CFD Modeling of Air Emissions from Controlled Flare Tests

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2015 - 9:00am-9:30am
Although significant progress has been made in developing technologies capable of measuring flare efficiencies and emissions in situ, essential...

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