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26% ROLLER DRIED PAC

Basic info

English name: poly aluminium Chloride ( High Purity ), short for PAC

CAS No.: 1327-41-9

Molecular formula: [AL2(OH)nCL6-n]m

Technical standard: GB15892-2009

Features of spray dried process:

Features:
Compared with other coagulants/flocculants, Polyaluminium Chloride Roller Dried shows the flowing features
Compared with other coagulants:
Wide application, and adaptable to most kinds of water.
Easy to quickly shape big alum fume, and showing good setting behavior.
Adaptable to wide pH value (5-9), and the pH value and alkalinity decrease little after treatment.
Good precipitating is kept even at low temperature.
Alkalization degree is higher than other aluminium and iron salts, and have little erosion effect to equipments.
Uses:
In order to get optimum flocculation effect and lowest cost, you can determine the optimum input through Tests according to different raw water turbidity, change of seasons, and the shapes of pond. Liquid products should be mixed to be 5-10% aqueous solution, and solid products should be mixed to be 3-5kcqueous solution.
The higher turbidity of the raw water, the thinner solution is mixed. Thus, you can improve the product input get better flocculation effect.

Technical Data of PAC

Items

Polyaluminium chloride

standard

GB15892-2009

R28

Appearance

Brown

Brownish powder

AL2O3 %

29

26

Basicity %

40-90

90-110

Max. water insoluble substance %

0.6

1.5

pH value
(1% aqueous solution)

3.5-5.0

3.5-5.0

SO2- %, ≤

-

-

Ammoniacal nitrogen %, ≤

0.01

0.01

Fe, %, ≤

-

2.0-3.0

As, %, ≤

0.0002

0.0002

Mn, %, ≤

-

0.0075

Cr 6+ %, ≤

0.0005

0.0005

Hg %, ≤

0.00001

0.00001

Pb %, ≤

0.001

0.001

Cd %, ≤

0.0002

0.0002

Application

Potable/industrial/waste water treatment

Package

25 kg net each plastic woven bag,lined with PE bag.
Shelf life:One year

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