Process Design & Development

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...

Exploiting Hydrogen Plant to Improve Refinery Margins

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2013
In addressing the global drive for cleaner transport fuels against increasing proportion of heavier and sourer crudes, refiners are faced with the...

Water / Wastewater Optimization Methods for Industrial Systems

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 30, 2013
Efficient management of water and wastewater systems in large industrial complexes is important for minimizing costs and optimizing natural resources...

Successful Sulfur Unit Startups

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2013
As the environmental importance of Sulfur Recovery Units increases, so too does the importance of smooth and successful SRU startups. This paper will...

Is Your Operation Prepared for Economic Recovery?

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2013
Proposed Title ” Is Your Operation prepared for Economic Recovery?” The world economy has been depressed for several years. During that time, changes...

Simple Opportunities for Improving Energy Efficiency

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
Energy efficiency has become an important theme in the process industries, and many companies have implemented sophisticated strategies to improve...

Design Considerations for Diesel Hydrotreaters

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
In 2006, the United States EPA mandated the use of 15 ppmw ultra-low sulfur diesel (ULSD) for on-road diesel fuel. At that time several refiners...

Dynamic Simulation: Value During LNG Process Design and Beyond

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 4, 2012
A contributor to complex/large project management difficulty is uncertainty gaps – gaps between the information required and that readily available...

Refinery-Wide Topics for Profitability, Reliability and Safety

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 3, 2012
In this session we will review several case studies that will allow you to better understand the importance of process engineering and process safety...

Practical Process Integration Retrofit Part 5. Software Needs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 3, 2012
Practical Process Integration Retrofit Part 5. Software Needs G.T.Polley In this final paper in our series on process integration retrofit we look at...

Re-Rating Ethylene Plant Equipment for Optimum Results

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 2, 2012
Rerating of turbomachinery equipment installed in ethylene plants is a well established method of improving plant operation, whether it is capacity...

Shortcut Methodology in Pilot Plants

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
April 29, 2009
This session is devoted to short cut methods in pilot plants, including enhanced experimentation, multi-throughput methods, and use of modeling to...

Scientific Design's Integrated Ethanol to EO/ EG Process

Conference Presentation
Southwest Process Technology Conference
October 9, 2014
There has been a renewed interest lately in non-petroleum derived feed stocks for many chemical processes. Among the fermentation-derived feed stocks...

Streamlining Crystallization Process Design

January
2004
Fluids and Solids Handling
Christianto  Wibowo, Lionel O'Young, Ka M. Ng
Use phase diagrams to develop reliable crystallization processes quickly and cost effectively.

Understanding Crystallization and Crystallizers

October
2006
Fluids and Solids Handling
Lionel O'Young, Ketan D. Samant
Gain qualitative insight into the basic mechanisms of crystallization, the principles of crystallizer operation, and the ways in which these concepts relate to the selection and application of the various crystallizer configurations in industrial...

Design Reactors via CFD

December
2001
Reactions and Separations
Ahmad H. Haidari, Andre Bakker, Elizabeth M. Marshall
Using computational fluid dynamics to design commercial-size batch and continuous reactors can eliminate subjective experience and empiricism, leading to better-designed, more-efficient units.

Designing Multistage Agitated Reactors

January
2014
Reactions and Separations
Gregory Benz
This article bridges the gap between theory and practice for the design of continuous-flow mechanically agitated reactors, with a focus on mechanical and hydraulic issues.

Bridge the Gap with Semicontinuous Distillation

August
2001
Reactions and Separations
James R. Phimister ,  Warren D. Seider
This processing strategy combines the advantages of batch and continuous operation, providing flexibility and efficiency in a single design.

Piloting Bioreactors for Agitation Scale-Up

February
2008
Reactions and Separations
Gregory T. Benz
This article offers guidance on how to design appropriate experiments to measure scalable data for agitation in both aerobic and anaerobic bioreactors.

Optimizing Crystallizer Scaleup

June
2003
Fluids and Solids Handling
Wayne Genck
Explore how mixing parameters impact the crystallization process and recommend ways to improve the likelihood of successful scaleup. The concepts of nucleation and growth, types of mixing, design considerations, agitator parameters and scaleup...

Best Practices for Pilot-Plant Piping

April
2014
Fluids and Solids Handling
Richard Palluzi
Pilot-plant piping is subject to more-frequent modification than typical process plant piping, and must be able to accommodate a range of media, temperatures, and pressures during its lifetime. Use this guide to determine which piping, tubing, and fittings are optimal for your pilot plant application.

Increase Powder Flow via Gas Injection

July
2006
Fluids and Solids Handling
John W. Carson, Herman Purutyan, Thomas G. Troxel
Fluidization and air-assisted discharge are two ways to optimize fine-solids handling. However, the choice of technology is as important as designing and operating the system properly.

Selecting Laboratory Reactors

August
2007
Reactions and Separations
Francesco Picciotti, Marcello Picciotti
This article outlines some of the considerations involved in selecting and specifying a reactor system for research and development applications.

Reduce Piloting Time and Cost

July
2011
Process Development
David A. Berg, Michael T. Cleary
Pilot-scale experimentation is essential to establish a sound foundation for a new chemical processing unit. These best practices can reduce the time and cost involved in process development.

Designing Polymerization Reaction Systems

February
2016
Reactions and Separations
Shrikant Dhodapkar, Pradeep Jain, Carlos Villa
Important considerations in polymerization reactor design include heat removal, kinetics, and process dynamics, as well as polymer properties and product quality.

Put More Punch Into Catalytic Reactors

March
2003
Reactions and Separations
Ed Fontes, Olof Hernell, Phil Byrne
Using equation-based modeling to design these reactors can optimize their efficiency and throughput.

Evaluating the Economics of Desalination

December
2002
Heat Transfer
Hisham M. Ettouney, Hisham T. El-Dessouky, Peter J. Gowin, Ron S. Faibish
This article presents an in-depth analysis of thermal and membrane desalination economics and outlines a simple procedure for calculating the unit product cost for various desalination processes.

Understand Pilot-Plant Design Specifications

May
2016
Plant Design
Adam Whalley, P.Eng.,
Although pilot- and commercial-scale plants may appear similar, they must be designed with different objectives in mind. Find out how the design criteria for pilot and commercial plants differ, and why commercial specifications should not be applied to pilot plants.

Engineering Global Biological Solutions

Conference Presentation
AIChE Annual Meeting
November 17, 2014
The past decades have seen biopharmaceuticals begin to dominate the drug development pathway and already we can see potent biologics bringing...

Impact of Recycling Light Olefins to the FCC

Conference Presentation
AIChE Annual Meeting
November 17, 2014
Recycling light olefin product streams back to a fluid catalytic cracking (FCC) unit has potential applications in US refineries due to the growing...

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