Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6579075 | Chemical Engineering Journal | 2018 | 9 Pages |
Abstract
Results showed that the ammonium release ability was not significantly influenced by a change in toluene concentration, while the toluene adsorption performance was affected by fluctuations in potassium concentration. The overall ammonium release capacity of the modified zeolite was 0.8â¯mmol/g, and the toluene adsorption capacity was 9.355â¯Âµmol/g without KCl in solution. The Langmuir isotherm fitted the adsorption isotherms well, indicating that the adsorption mechanism of DPDSCI coated ammonium zeolite is the same as that of DPDSCI coated natural zeolite: a monolayer and homogenous surface adsorption process. Regeneration tests showed that this material may be used, cleaned and reused at least three times without a significant reduction in performance.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Chemical Engineering (General)
Authors
Junchao Ma, Geoffrey W. Stevens, Kathryn A. Mumford,