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ADSORPTION

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ADSORPTION The removal of dissolved substances from solution using adsorbents such as activated carbon ... – PowerPoint PPT presentation

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Title: ADSORPTION


1
ADSORPTION
  • The removal of dissolved substances from solution
    using adsorbents such as activated carbon

2
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3
The physical form of the GAC may depend on
source of raw materials
4
MANUFACTURE OF ACTIVATED CARBON DIFFERENT RAW
MATERIALS
5
Prior carbonization for softer raw materials
6
MANUFACTURE OF ACTIVATED CARBON FROM COAL
7
Multiple Hearth ?
ACTIVATION FURNACE TYPES
Rotary kiln ?
8
DIFFERENT PHYSICAL FORMS OF ACTIVATED CARBON
9
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10
First magnification of carbon granules
11
Continued magnification
12
Continued magnification
13
Continued conceptual magnification
14
Continued conceptual magnification
15
Continued conceptual magnification
16
Scanning Electron Microscope Photo of GAC
17
Area of a few grams of activated carbon
18
Application Methodology
19
Granular Activated Carbon Columns
20
GAC Silos
21
Gas Purification
22
Contacting Column Internals
23
Typical isotherm solid-phase concentration
(y-axis) vs liquid phase concentration (x-axis)
This is a favorable isotherm higher solid-phase
concentration at low liquid concentrations
24
Column Hydraulics
25
Which of these two twins pioneered adsorption
modeling?
Langmuir!
26
Adsorptive Forces
27
The effect of molecular size and functional
groups on adsorbability
28
Langmuir isotherm
29
Freundlich isotherm (linear scale)
30
Freundlich isotherm, log-log scale
31
Freundlich isotherm, compared with real data
32
Four GAC columns in series
33
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34
REACTIVATION OF ACTIVATED CARBON
35
Transport of GAC
36
Decentralized Multiple Hearth Regeneration
Facility
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