0000000000321083
AUTHOR
F. Bouvier
showing 2 related works from this author
TCE adsorption on hydrophobic Y and MFI zeolites. Possibilities of using such materials for solvent recovery
1996
Des isothermes d'adsorption de la vapeur d'eau et du tetrachloroethene (TCE) ont ete tracees a 25°C pour etudier le caractere hydrophobe et organophile et la porosite de faujasites Y et d'une zeolithe ZSM-5 desaluminees. Les quantites de solvant adsorbe en phase vapeur pure ou en atmosphere ambiante sont peu differentes du fait du caractere hydrophobe des echantillons. Ces derniers presentent une grande capacite d'adsorption vis-a-vis du TCE. Contrairement au charbon actif, une zeolithe Y desaluminee saturee avec du TCE peut etre totalement regeneree a basse temperature (T<100°C) et de ce fait son utilisation potentielle pour une recuperation propre des solvants est digne d'interet.
Characterization and utilization of MFI zeolites and MCM-41 materials for gaseous pollutant adsorption
1999
Physisorption of n-hexane, trichloroethylene, tetrachloroethylene, carbon and nitrogen oxides on a microporous ZSM-5 (Si/Al=339) zeolite and an amorphous mesoporous MCM-41 (Si/Al=∞) sample was examined by isothermal thermogravimetry, manometry and calorimetry to evaluate the feasibility of using these porous materials for gaseous pollutant adsorption at room temperature. The adsorbents showed very interesting adsorption properties for hydrocarbons. ZSM-5 exhibited the strongest adsorption affinity and MCM-41 showed the largest adsorption capacity. Another main feature in this work was to observe a stepped-isotherm for the adsorption of C2Cl4 on ZSM-5. Such a substep located at very low rela…