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Poly Aluminium Chloride used in the water treatment industry

Poly aluminum chloride is a water purification material, inorganic polymer coagulant, also referred to as Poly aluminum, abbreviated as PAC, an inorganic polymer water treatment agent having a relatively large molecular weight and a relatively high charge is produced due to bridging action of hydroxide ions and polymerization of polyvalent anions.
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Polyaluminium Chloride - Names and Identifiers

Name:Polyaluminium Chloride

Synonyms:PAC

PolyaluminiumChloride(Pac)
Aluminum chloride hydroxide
Aluminum hydroxide chloride
Polybasic aluminum chloride
polyaluminumhydroxychloride
Poly-Aluminium Chloride(PAC)
ALUMINUM POLYHYDROXYCHLORIDES

CAS:1327-41-9
101707-17-9
11097-68-0
114442-10-3

EINECS:215-477-2

InChI:InChI=1/Al.3ClH/h;3*1H/q+3;;;/p-3

Polyaluminium Chloride - Physico-chemical Properties

Molecular Formula:AlClHO

Molar Mass:79.44

Water Solubility:soluble H2O, forms slightly turbid colloidal solution [MER06]

Appearance:Solid

Storage Condition:Room Temprature

Stability:Stable. Incompatible with many metals.

Physical and Chemical Properties:Colorless or yellow resinous solid. Its solution is colorless or yellow-brown transparent liquid, sometimes containing impurities and gray-black mucus.

Use:Poly aluminum can remove bacteria, deodorization, decolorization, fluoride, aluminum, chromium, phenol, oil, turbidity, in addition to heavy metal salts, in addition to radioactive pollutants, to purify a variety of water has a wide range of uses.

Polyaluminium Chloride - Upstream Downstream Industry

Raw Materials:Ammonium hydroxide
Acrylonitrile
Sulfuric acid
Aluminum
BAUXITE
Aluminum
Calcium aluminate
Aluminum hydroxide
Hydrochloric acid
Aluminum oxide

Polyaluminium Chloride - Technical indicators

standard

GB/15892-2009

GB/T22627-2008

metrics

grade of drinking water

Water treatment grade

liquid

solid

liquid

solid

AL2O3(%)≥

10.0

29

6.0

28.0

basicity B (%)

40.0-90.0

30-95

% water-insoluble

0.2

0.6

0.5

1.5

PH value

3.5-5.0

3.5-5.0

iron (Fe)%≤

----

2.0

5.0

arsenic (As).ppm ≤

0.0002

0.0005

0.0015

cadmium (Cd).ppm ≤

0.0002



chromium (Cr).ppm ≤

0.0005



lead (Pb)%≤

0.001

0.002

0.006

% mercury (Hg)

0.00001



Polyaluminum chloride has a wide range of uses in the water treatment industry. Here are a few main uses:


1. Clarified water: polyaluminum chloride is an important coagulant, which can gather suspended solids, turbidity and color substances in water together to form relatively large particles, so as to facilitate precipitation and filtration, and achieve the purpose of clarifying water.


2. Decolorization: Polyaluminum chloride can effectively remove organic and inorganic color substances in water. Its chemical properties allow it to combine with pigments to form particulate matter that can precipitate and filter, removing colored substances from the water.


3. Removal of colloid: polyaluminum chloride has a strong coagulation effect on colloidal substances. It can interact with colloidal particles to form larger aggregates, making them easy to settle and filter.


4. Remove organic matter: polyaluminum chloride has good precipitation and adsorption capacity for organic matter in water. It can chemically react with organic matter to form a water-insoluble complex, which removes it.


In general, polyaluminum chloride is a commonly used coagulant and flocculant in the water treatment industry, which can effectively remove suspended solids, turbidity, color substances, colloids and organic matter in water. It plays an important role in clarifying water quality, improving water quality and purifying water sources.


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