adsorbate


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to adsorbate: adsorptive

adsorbate

[ad′sȯr‚bāt]
(chemistry)
A solid, liquid, or gas which is adsorbed as molecules, atoms, or ions by such substances as charcoal, silica, metals, water, and mercury.
References in periodicals archive ?
The adsorption behavior between the adsorbate and adsorbent is described by Langmuir, Freundlich and D-R isotherm models.
where q is the amount of the adsorbate adsorbed (mg/g), t is the agitation time (min), and [k.
Thermodynamic parameters related to the energy changes associated with the adsorption process between the adsorbate and adsorbent including [DELTA]H (enthalpy variation), [DELTA]S (entropy variation), and [DELTA]G (variation of Gibbs' energy) were also determined.
At low adsorbate concentration, it turns into Freundlich isotherm, while at high adsorbate concentration, it reduces a monolayer adsorption capacity characteristic of Langmuir isotherm [15].
This could be due to very slow adsorbate diffusion and more time required reaching inner pores from the surface (Mohan et al.
Initial concentration provides an important driving force to overcome all the mass transfer resistance between the adsorbate and the adsorbent surface.
Equilibrium relationships between adsorbent and adsorbate are described by adsorption isotherms.
Adsorption data for a wide range of adsorbate concentrations are most conveniently described by adsorption isotherms, such as the Langmuir or Freundlich, which relate amounts adsorbed to the equilibrium adsorbate concentration in the bulk fluid phase.
Second step involves the boundary layer diffusion of adsorbate molecules on the biosorbent surface which is called film diffusion.
In an ideal breakthrough curve it is assumed that removal of adsorbate is complete in the early stages of operation.
After a certain period of time, the rate of adsorption decreases due to accumulation of adsorbate in the vacant sites.
3+] was used as a model adsorbate for heavy metals removal process.