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Drinking Grade PAC

Drinking Grade PAC Polyaluminum chloride (PAC-D) is a new kind of inorganic high molecular coagulant. The product is made of aluminum hydroxide, hydrochloric acid and calcium aluminate powder with good flocculation effect and low price. Its water purification effect is superior to that of...

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Product Details

Product Description

Polyaluminum chloride (PAC-D) is a new kind of inorganic high molecular coagulant. The product is made of aluminum hydroxide, hydrochloric acid and calcium aluminate powder with good flocculation effect and low price. Its water purification effect is superior to that of conventional inorganic salt coagulants such as aluminum sulfate and iron salt. Spray drying technology is used in the solid product and the product is yellow or light yellow crystal particles. Can be widely used in water supply and industrial high-end water purification treatment.


Technical Index


Quality Test    Specification

Quality Standard    GB15892-2009

Item

Specification

Test results

Solid

Liquid

Appearance

White, or light yellow    powder

Light yellow liquid

 

Aluminum %

29.0

10.0

29.2

Basicity %

40.0-90.0

45.0

Density(20℃)/(g/cm3)≥

---------

1.12

-----

water-insoluble%≤

0.6

0.2

0.2

PH(10g/L)

3.5-5.0

4.0

Arsenic%

0.0002

0.00012

Lead%

0.001

0.0007

Cd%

0.0002

0.00013

Hg%

0.00001

0.00001

Cr%

0.0005

0.0003



Polyaluminium chloride is composed of a series of inorganic polymer compounds with different degrees of polymerization. The main component is AL13O4OH24 (H _ 2O) _ (24) H _ 2O) _ (127), which is a highly charged polymeric ring with KEGGIN structure, has high electrically neutralizing and bridging function for colloids and particulates in water, and can strongly remove micro-organic poisons and heavy metal ions. The properties are stable. The neutralization of the negative charge between the colloidal particles and the water causes the colloid to destabilize, the colloidal particles flocculate rapidly, and further bridge to form large flocs and precipitate rapidly.


Application range

The characteristics of this product determine its preferred position in water supply and high purity water treatment. The turbidity removal effect is 1.5-3 times of that of aluminum sulfate in comparison with the effective components. The shelf life of paper can be prolonged by using aluminum sulfate sizing technology in paper making, and the flocculation effect of low temperature and low turbidity water and high turbidity water is unparalleled by ordinary inorganic coagulant.


The use of polyaluminium chloride for drinking water is ideal in the following areas:

1. Urban water supply treatment

2. high purity water treatment

3. oilfield water injection treatment

4. Water treatment in foreign industries


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