BLEACHING EARTH

The two types of commercial bleaching clays used in processing edible oils may be characterized as "Natural Bleaching Earth" and "Activated Bleaching Earth." Natural Bleaching Earth is usually a bentonite clay which exhibits absorptive properties in its "natural state."

TECHNICAL INFORMATION
 
Cladsorb – Bleaching Earth.
Product Description
 
Clear– 6 Grade:  It is a activated earth used in bleaching of Crude palm oil manufacturing. It is manufactured by best quality calcium bentonite from our mines.
 
Physical Characteristics

• Apparent bulk density                          : 0.8   gm/cc                                                       

• Free moisture -  (2 h, 110 °C)                : ~ 8 - 10%   

• pH  - (10% suspension, filtered)          : 6.0 – 7.0

                      

• Surface area                                             : 150 – 200 m²/g

                                               

• Filtration                                                     : Excellent.  

• Sieve Analysis Mesh Bss 200                  : 94% Passing.

 
Chemical Analysis (Average values)
SiO2                                  :          50.04 %
Al2O3                               :           13.18 %
Fe2O3                               :             6.01 %
CaO                                   :             3.15 %
MgO                                  :             5.75 %
MNO                                  :             0.02 %
TIO2                                   :             1.24 %
Na2O                                 :             0.52 %
K2O                                    :              1.70 %
Loss on ignition              :            18.10 %
 
Bleaching Test Conducted on 09/01/2012.
Original Color Unit Of Crude Palm Oil : 40Y + 8R = 80 Units.
Bleached Color Unit                                  : 22 Y + 5.6R = 50.0 Units.
Bleaching Efficiency                               : 37. 50 %
Bleachability                                           : 53.19 %
   
Note: The Information provided in this brouchure is with respect to our present experience and our best knowledge, however since we have no control on the way in which our products are applied, treated and used, we can not take any responsibility in this respect. Hence the user must bear all the responsibility himself for checking weather  the product are suitable for the purpose and use proposed by him.

CladsorB – Bleaching Earth.                                      
Product Description
Clear 1 Grade:  It is a highly activated bleaching earth used in bleaching of Crude palm oil manufacturing. It is manufactured by best quality calcium bentonite from our mines.
 
Physical Characteristics

• Apparent bulk density                          : 0.78  gm/cc                                                       

 

• Free moisture         -  (2 h, 110 °C)         : ~ 5%         
  

 

• pH  - (10% suspension, filtered)           : 5.5 – 6.5
  

 

• Surface area                                              : 180 – 230 m²/g
  

 

• Filtration                                                      : Excellent.  
  

 

• Sieve Analysis Mesh Bss 200                  : 95% Passing.

Chemical Analysis (Average values)
SiO2                                  :         50.04  %
Al2O3                               :          13.18  %
Fe2O3                               :           6.01  %
CaO                                   :            3.15  %
MgO                                  :            5.75  %
MNO                                  :            0.02  %
TIO2                                   :             1.24  %
Na2O                                 :             0.52  %
K2O                                    :             1.70  %
Loss on ignition              :           18.10  %
 
Bleaching Test
Conducted on 09/01/2012.
 
Original Color Unit Of Crude Palm Oil : 40Y + 8R = 80 Units.
 
Bleached Color Unit                               : 20 Y + 5.2R = 46.0 Units.
Bleachability                                            : 42 . 50 %
Bleaching Efficiency                               : 60.28 %