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Diatomite

  1. General introduction 

 

Diatomite is sedimentary rock with main composition is silicon oxide. It has others names as kizengua or diatomaceous earth.

 

1.1.  Mineral composition:

Diatomite has the mineral composition as follow:

 

-         Algae shell of Diatomite hold 10 – 60%; form: tubular, cylinder, horizontal section circle; diameter: 0,01 – 0,05 mm;

-         Opan: small form and hold a small rate;

-         Clay: hold a rate of 5 – 24 %, scab form with hydro mica and mix into a little of Motmorillonit mineral;

-         Bone prickle of sea meal: hold 1 -15% belong to spongy kind, single axis, spiky, long: 0,01 – 0,25 mm;

-         Gnauconit: hold from 10 – 25%, small scab form, green colorless;

-         Quartz trifling: hold < 2%, bead form breaked, sharp, size: 0,01 – 0,1 mm, disperse widely in ore.

 

1.2.  Chemical composition:

 

SiO2

Fe2O3

Al2O3

MKn

TiO2

CaO

MgO

K2O

Na2O

SO3

> 63%

< 7,0%

< 18%

< 11%

< 1,4%

< 1,1%

< 3,0%

-

< 0,2%

< 2,5

 

 

 

  1. Application:

-         Filter aids, detergent in the technology of beer, alcohol, drinkables production,…

-         Aquacultures;

-         Additive for cement productions;

-         Materials for insulating materials production;

 

  1. Diatomite productions of Company:

-         Diatomite flour;

-         Daimentin flour;

-         Daimentin bead;

-         Zeolite bead;

      -         Super silky flour

 




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