Separations

Reactivity of Biopolymers in Ionic Liquids

Conference Presentation
AIChE Annual Meeting
Wednesday, November 6, 2013 - 12:45pm-1:15pm
Ionic liquids are gaining increasing acceptance as novel solvents for chemical transformations. This has included a recent focus on the use of ionic...

Phase Behavior of Gases in Ionic Liquids

Conference Presentation
AIChE Annual Meeting
Tuesday, November 5, 2013 - 3:15pm-3:30pm
This presentation will emphasize the importance of characterizing the global phase behavior of gases in ionic liquids and how this can provide...

Chromatographic Scale-Up On a Volume Basis

Conference Presentation
AIChE Annual Meeting
Tuesday, November 5, 2013 - 8:30am-9:00am
The scale-up of a chromatographic separation is in principle a simple procedure since the process parameters are scalable in a linear fashion. The...

The Potential Of Osmotic Membrane Dehumidification

Conference Presentation
AIChE Annual Meeting
Monday, November 4, 2013 - 4:00pm-4:15pm
THE POTENTIAL OF OSMOTIC MEMBRANE DEHUMIDIFICATION Arthur Kesten, Jeffrey McCutcheon, Ariel Girelli and Jack Blechner An osmotic membrane...

Column Revamps

Conference Presentation
Southwest Process Technology Conference
Thursday, October 3, 2013 - 1:30pm-4:30pm
Distillation and absorption columns sometimes need to be revamped to achieve capacity increases, separation improvements or energy consumption...

Stable Facilitated Transport Membrane For Olefin/Paraffin Separation

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, May 2, 2013 - 10:00am-10:30am
Currently, the separation of olefins (ethylene, propylene) from paraffins (ethane, propane) on a commercial scale is accomplished almost exclusively...

Challenges and Opportunities in Oil Fields Produced Water Treatment

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, May 1, 2013 - 8:00am-8:30am
Produced water treatment composition varies all over the map and requires specific unit processes and unit operations with each and every site...

Development of Heat Exchangers for Use As Replacement Plates

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 4:30pm-5:00pm
Development of Heat Exchangers for Use as Replacement Plates In Distillation Columns: Proof of Concept and Collection of Design Information 2 Graham...

Gas Cleanup Using Elastic Layered Metal-Organic Framework Adsorbents

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 9:00am-9:30am
The suitability of elastic layered metal-organic frameworks (ELM) for the removal of carbon dioxide from methane-rich gas mixtures was evaluated...

Removal of Heavy Hydrocarbons from Lean Natural Gas

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 2:30pm-3:00pm
Removal of heavy hydrocarbons, such as C 6 + from natural gas is essential prior to cryogenic liquefaction in order to prevent freeze-out of these...

Scale-up of SAPO-34 Membranes for CO2/CH4 Separation

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 9:30am-10:00am
SAPO-34 membranes have pores with a diameter of approximately 0.38 nm and have the potential to be used for large scale removal of CO 2 impurities...

The Mixed Matrix Membrane Story

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 9:00am-9:30am
The talk will highlight the evolution of Mixed Matrix Membranes (MMM), developed in the mid-1980s. The talk will first provide an introduction into...

The Rayleigh Equation Revisited What to Do When Alpha Isn't Constant

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Abstract Integration of the Rayleigh Equation for batch distillation in closed analytical form has heretofore required that relative volatility (α)...

Root Cause Study of Debutanizer Column Operational Upsets

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
The NOVA Chemicals Debutanizer Column at the Corunna site experienced operational upsets. Gamma scans revealed that the column had flooded, and upon...

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...

A Century of Separations: CO2 Recovery: Myth and Legend

Conference Presentation
AIChE Annual Meeting
Thursday, November 20, 2008 - 2:00pm-2:30pm
Carbon dioxide recovery will be the major challenge for the separations community for the foreseeable future. Various separations technologies are...

Ten Distillation Revamp Pitfalls to Avoid

February
2014
Back To Basics
Doug Bouck
Projects aimed at improving distillation column operation may encounter a variety of hurdles. This article looks at ten common problems and provides guidance on how to avoid them.

Developing Crystallization Processes

March
2011
Reactions and Separations
Christianto Wibowo
With solid-liquid equilibrium as its foundation, this systematic approach makes it easy to identify operating regions and theoretical yield to maximize the desired product.
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