Factors Affecting the Removal of Ammonia from Air on Carbonaceous Materials [electronic resource] :Investigation of Reactive Adsorption Mechanism / by Camille Petit.
by Petit, Camille [author.]; SpringerLink (Online service).
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BookSeries: Springer Theses, Recognizing Outstanding Ph.D. Research: Publisher: Boston, MA : Springer US, 2012.Description: XI, 118p. 52 illus., 20 illus. in color. online resource.ISBN: 9781461433934.Subject(s): Chemistry | Analytical biochemistry | Nanochemistry | Environmental chemistry | Environmental protection | Surfaces (Physics) | Chemistry | Nanochemistry | Atmospheric Protection/Air Quality Control/Air Pollution | Characterization and Evaluation of Materials | Environmental Chemistry | Analytical ChemistryDDC classification: 541.2 Online resources: Click here to access online | Item type | Current location | Call number | Status | Date due | Barcode |
|---|---|---|---|---|---|
| MAIN LIBRARY | QD478 (Browse shelf) | Available |
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| QD476 .W43 1995 Pushing electrons : | QD 476.2 .A44 2008 Biophysical chemistry | QD478 Crystallization and Growth of Colloidal Nanocrystals | QD478 Factors Affecting the Removal of Ammonia from Air on Carbonaceous Materials | QD478 Nanotechnology for Lithium-Ion Batteries | QD478 Crystallization of Nanoscaled Colloids | QD478 Biomimetic Dye Aggregate Solar Cells |
Introduction -- Objectives and research approach -- Materials and methods -- Performance of the materials tested for ammonia removal -- Role of textural parameters -- Role of surface chemistry -- Role of water -- Mechanisms of adsorption and strength of retention -- Conclusions -- Paths towards future research -- Appendix -- Bibliography.
Air pollution related to the release of industrial toxic gases represents one of the main concerns of the modern world due to its detrimental effect on the environment. To tackle this growing issue, efficient ways to reduce/control the release of pollutants are required. Adsorption of gases on porous materials appears as one potential solution. However, the physisorption of small molecules of gases such as ammonia is limited at ambient conditions. For their removal, adsorbents providing strong adsorption forces must be developed. In this study, new carbon-based materials are prepared and tested for ammonia adsorption at ambient conditions. Characterization of the adsorbents’ texture and surface chemistry is performed before and after exposure to ammonia to identify the features responsible for high adsorption capacity and for controlling the mechanisms of retention. The characterization techniques include: nitrogen adsorption, thermal analysis, potentiometric titration, FT-IR spectroscopy, X-ray diffraction, Energy Dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy and Electron Microscopy.
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