Adsorption Adsorption data and will be helpful

Adsorption data and will be helpful

1. ADSORPTIONADSORPTION
The removal of dissolved substances
from solution using adsorbents such
as activated carbon

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. ACTIVATION
FURNACE
TYPES
Rotary kiln 
Multiple Hearth ↑

8.   
                                                     
 
                   

  
                                                     
 
                   

  
                                                     
 
                   
DIFFERENT PHYSICAL FORMS
OF ACTIVATED CARBON

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. -3
-2.5
-2
-1.5
-1
-0.5
0
-2 -1.5 -1 -0.5 0 0.5
Log C
L
o
g

(
x
/
m
)
Freundlich isotherm, compared with real data

32. Four GAC columns in series

34.   
                                                                                
REACTIVATION OF ACTIVATED CARBON

35. Transport of GAC

36.   
                                                     
Decentralized Multiple Hearth
Regeneration Facility