Computing and Systems Engineering

Modeling of LNG Spills Into Trenches and Troughs

Apr 5, 2012
Nicolas F. Ponchaut
Trenches and troughs are commonly used in LNG storage and transfer facilities to contain potential LNG spills. The trenches are concrete-lined rectangular channels dug into the ground. They are typically slightly inclined from the horizontal to direct the flow of LNG towards the sump and they are...

Simulation and Economics of Biodiesel Production From Microbial Lipids

Oct 17, 2011
Ramalingam Subramaniam
In this work, production of lipid from Lypomyces starkeyi on soluble sweet potato starch was simulated in Aspen Plus simulation. A kinetic model based on experimental results of medium optimization and high density cultivation was used for cell growth and lipid production. The simulation...

A Numerical Study On Bio-Oil Gasification Using A Multicomponent Approach

Oct 17, 2011
Song-Charng Kong
A Numerical Study on Bio-Oil Gasification Using A Multicomponent Approach Bio-oil, also called pyrolysis oil, is a complex biorenewable fuel produced from fast pyrolysis of biomass. Since bio-oil is carbon dioxide neutral, it can be an ideal replacement for petroleum fuel to be used in many kinds...

Mechanistic Modeling of Fast Pyrolysis of Cellulose to Predict Bio-Oil Composition

Oct 16, 2011
Vinu Ravikrishnan
Fast pyrolysis, a potential strategy for the production of transportation fuels from biomass, involves a complex network of competing reactions, which result in the formation of bio-oil, non-condensable gaseous species, and solid char. Bio-oil is a mixture of anhydro sugars, furan derivatives, and...

Flare Minimization Via Dynamic Simulation

Mar 15, 2011
Kuyen Li
Flaring in chemical process industry (CPI) is an important method to protect equipment and personnel safety during the process upset and the chemical plant turnaround. However, excessive flaring emits lots of carbon dioxide as well as air pollutants, which cause negative environmental and social...

Teach Yourself the Basics of Aspen Plus

January, 2011
Aspen Plus is on of the most popular process simulation software programs used industrially and academically. Though the software is available at many corporations and universities, there are no textbooks which are dedicated to teaching the step-by-step use of the software. This book is designed to...

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