Transcription of Adsorption and Desorption Isotherms
{{id}} {{{paragraph}}}
Example: quiz answers
Adsorption and Desorption Isotherms
Ke GroupAdsorption and Desorption IsothermsPengfei ZhangSep 3 2016 Contents Basic concepts Classification of gas Adsorption Isotherms Classification of Adsorption - Desorption hysteresis loops Physical phenomena behind the Isotherms Gas Adsorption for COFs/MOFsBasic :activatedcharcoal,mesoporousSilicaAdsor bate:Thesubstancewhosemoleculesgetadsorb edonthesurfaceoftheadsorbent( ) absorption:Inabsorption,themoleculesofas ubstanceareuniformlydistributedinthebulk oftheother, processThese surface molecules(in blue) are experiencing abond deficiency, thus it isenergetically favorable forthem to adsorb molecules.(in yellow)Adhesionofatoms,ions,bimoleculeso rmoleculesofgas, themoleculesoratomsbeingaccumulated, Adsorption happens?
adsorption followed by capillary condensation, resulting in Type IV and V isotherms. Characteristic features of the Type IV isotherm are its hysteresis loop, which is associated with capillary condensation taking place in mesopores, and the limiting uptake over a range of high P/P 0.
Loading..
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: