<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>32</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Feng, Wenguo</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Effects of molecular oxygen and water on carbothermal reduction of sulfur dioxide by oil sand fluid coke</style></title></titles><keywords><keyword><style  face="normal" font="default" size="100%">oil refining</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2002</style></year></dates><urls><web-urls><url><style face="normal" font="default" size="100%">http://search.proquest.com/docview/305493699</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">University of Toronto</style></pub-location><volume><style face="normal" font="default" size="100%">Chemical Engineering and Applied Chemistry</style></volume><pages><style face="normal" font="default" size="100%">117</style></pages><language><style face="normal" font="default" size="100%">en</style></language><abstract><style face="normal" font="default" size="100%">With the objective of developing a sulfur-producing flue gas desulfurization (SP-FGD) process, effects of O2 and H2 O on carbothermal reduction of SO2 by oil sand fluid coke were studied by experiments and thermodynamic analysis. It was observed that the addition of O2 and H2 O enhanced SO2 conversion, which was attributed to the reducing gases, CO and H2 . Adding O2 and/or H 2 O may increase or decrease sulfur yield depending on the availability of SO2 . Thermodynamic analysis showed that C/O ratio was a key parameter in controlling equilibrium products of C-O-S and C-O-S-H systems. Results of thermodynamic analysis suggested that gas-solid reactions were slow enough to allow a gas phase equilibrium. Shrinking Core Model (SCM) analysis showed that gas-solid reactions were rate-limiting at 700°C. SEM analysis confirmed the existence of an active layer. Sulfur was found to accumulate in the porous layer. H 2 O addition had a positive effect on sulfur accumulation.
</style></abstract><issue><style face="normal" font="default" size="100%">M. A. Sc.</style></issue><custom1><style face="normal" font="default" size="100%">Oil &amp; Other Non-renewable Fuels</style></custom1><custom4><style face="normal" font="default" size="100%">Science</style></custom4></record></records></xml>