Chemical Engineering Practice

Insights From Glucose Pyrolysis for Cellulose Pyrolysis

Conference Presentation
AIChE Annual Meeting
Tuesday, October 30, 2012 - 1:30pm-1:45pm
Experimental and predicted kinetics of glucose, the monomer of cellulose, provides quantitative and qualitative insights into the pyrolysis of...

Optimal Design of Transient Microreactor Experiments

Conference Presentation
AIChE Annual Meeting
Tuesday, October 30, 2012 - 12:30pm-1:00pm
Development of synthetic routes for active pharmaceutical ingredient (API) synthesis is increasingly performed using microreactors, because their use...

A Novel QbD Tool for Statistical Data Analysis

Conference Presentation
AIChE Annual Meeting
Tuesday, October 30, 2012 - 10:15am-10:30am
One of cornerstones of Quality by Design (QbD) is Design of Experiments (DoE). However, in addition to DoE, ICH Q8 (R2) recommends an enhanced...

Modelling of a Filter Drying Process

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 5:15pm-5:45pm
Filter drying, also referred to as vacuum contact drying, is a process widely used in the pharmaceutical industry to remove water or organic solvents...

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...

Galvanic Corrosion Between Dissimilar Metals

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 5, 2012 - 12:00am
A Dow USGC cracker suffered a tube failure on a cracked gas compressor inner stage cooler after ten plus years of service. To further extend the...

Modeling of LNG Spills Into Trenches and Troughs

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 5, 2012 - 12:00am
Trenches and troughs are commonly used in LNG storage and transfer facilities to contain potential LNG spills. The trenches are concrete-lined...

Furnace Stories

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Thursday, April 5, 2012 - 12:00am
The cracking furnace is the heart of the ethylene plant, consuming the most energy, adding the most value and with the potential to cause the most...

Hydrotreating of Biooils to Jet Fuels: An Overview

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
This paper will give an overview of the current status of jet fuels production from hydrotreating of biooils, including vegetable oils and microalgae...

Analysis of Turnarounds in Olefin Plants: A 16-Year View

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Comparative Performance Analysis™ (CPA™) benchmarking studies of the olefin industry have been conducted by HSB Solomon Associates LLC (Solomon)...

Design Challenges in Tankage Modernization

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
In order to comply with regulation requirements, a refinery needs to perform major revamps to produce different grades of Diesel, namely ULSD, Off-...

Hydroprocessing Design - Tutorial

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Hydroprocessing or hydrotreating is the key technology to clean, to refine, and to convert crude oils into valuable products, such as gasoline and...

History of NOx In the Ethylene Industry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
A history of NOx in the Ethylene Industry will be presented.

Capital Cost Targeting of Total Site Heat Recovery

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Heat recovery on Total Site level can provide a considerably high potential for energy saving. It offers additional degrees of freedom for heat...

Appropriate Placement of Compressors and Expanders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The term “Appropriate Placement” was introduced in Pinch Analysis during the 1980s to indicate how special unit operations should be correctly...

Strategic Chemistry

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Optimizing the clearing and cleaning of process units during turnarounds. Primary discussion involves the three key areas related to an effective,...

Anti-Surge Methods for the Base Load LNG Plant Propane Compressor

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The propane compressor represents a significant capital investment and operating expense of a LNG plant, and is an essential component in providing...

Evaluation of Dispersion Models for LNG Siting Applications

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The federal safety standards for LNG facilities under 49 CFR Part 193 approves the use of specific dispersion models for performing vapor-gas...

Simple Opportunities for Improving Energy Efficiency

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Energy efficiency has become an important theme in the process industries, and many companies have implemented sophisticated strategies to improve...

Hydrocarbons Turnarounds EHS Readiness

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The Dow Hydrocarbons Business has a thorough process for managing excellent EHS performance during Turnarounds. We name an EHS Focal Point for each...

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)...

Turnaround Excellence - Key Success Factors

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
Turnaround Excellence is more than a state of being… it is a journey. Achieving and sustaining excellence is wholly dependent on a site approach of...

Modeling of Ground Flare Pits

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
New LNG liquefaction facilities have been configured to include large ground flares to allow for the safe combustion of large volumes of combustible...

Hydrocracking - An Overview

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The paper will present an overview of the Hydrocracking process as applied in the refineries today. It will cover Mild Hydrocracking, Partial...
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