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Aluminum Chlorohydrate (ACH)

TIME:2015-03-03  CLIK:598



Aluminum Chlorohydrate (ACH)


Chemical FormulaAl2(OH)5Cl·2H2O

Physical and Chemical Properties

Inorganic macromolecular compound, white powder, its solution shows colorless or tawny transparent liquid and specific gravity is 1.33-1.35g/ml (20℃), easily dissolved in water, with corrosion.


Description

Aluminum Chlorohydrate(ACH)is a kind of inorganic high molecular compound, its alkalinity (basicity) is higher than poly aluminum chloride, and lower than aluminum hydroxide. ACH bridge polymerization through the hydroxyl, the highest number of hydroxyl groups with molecular. Its solid is white  powder. Its solution is colorless and transparent liquid. Alumina content in liquid product is above 23%, and 46% ~ 50% in powder.

The highly polymerized aluminum species in ACH have much higher cationic charges than the aluminum in standard salts such as alum or aluminum chloride, and even other poly aluminum products. Therefore, ACH can offer both a higher level of performance and lower overall dosages. The high degree of acid neutralization (basicity) also means that the effect on pH when applying ACH will be negligible. ACH also effectively coagulates over a broader pH range (as high as 9.5) versus traditional metal salts and lower basicityPAC.


Application

1.  City and industrial water treatment

2.  Paper sizing precipitant

3. Mechanical application such as: size adhesive, anionic trash scavenger, retention and drainage agent, resin barrier control additive

4.  For silicon wafer polishing liquid use

5.  Cosmetic grade ACH widely used as a raw material of antiperspirant


Packaging

Liquid:

Drum: 200L plastic drums

Barrel: 1000L IBCs

Flexitank: 14,000-24,000L flexitank

Solid Powder:

25kg paper bags(lined with PE membrane)/ 40kg paper bags(lined with PE membrane)/ 25kg fiber drums(lined with PE membrane).


Production Specification

Grade

Water Treatment Grade(Liquid)

Cosmetics Grade (Liquid)

Water Treatment Grade (Solid)

Cosmetics Grade

(Solid)

Item

USP-34

USP-34

USP-34

USP-34

Solubility

Soluble in water

Soluble in water

Soluble in water

Soluble in water

Al2O3 %

23

23-24

46

46-48

Cl  %

9.0

7.9-8.4

18.0

15.8-16.8

Basicity%

75-83

75-90

75-83

75-90

Al:Cl

-

1.9:1-2.1:1

-

1.9:1-2.1:1

Insoluble substance %

≤0.1%

≤0.01%

≤0.1%

≤0.01%

SO42- ppm

≤250 ppm

≤500 ppm

Fe ppm

≤100 ppm

≤75 ppm

≤200 ppm

≤150 ppm

Cr6+ ppm

≤1.0 ppm

≤1.0 ppm

≤2.0 ppm

≤2.0 ppm

As ppm

≤1.0 ppm

≤1.0 ppm

≤2.0 ppm

≤2.0 ppm

AsPbppm

≤10.0 ppm

≤5.0 ppm

≤20.0 ppm

≤5.0 ppm

Ni ppm

≤1.0 ppm

≤1.0 ppm

≤2.0 ppm

≤2.0 ppm

Cd ppm

≤1.0 ppm

≤1.0 ppm

≤2.0 ppm

≤2.0 ppm

Hg ppm

≤0.1 ppm

≤0.1 ppm

≤0.1 ppm

≤0.1 ppm

pH-value[15% (W/W)25]

3.5-5.0

4.0-4.4

3.5-5.0

4.0-4.4

Permeation rate 15%

90%

90%

Particle size(mesh)

100pass 100mesh

99 pass 200mesh

100pass 200mesh

99 pass 325mesh

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