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Poly Aluminium Chloride

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 - Introduction

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. In the form can be divided into two kinds of solid and liquid. Solid according to different colors are divided into Tan, beige, golden yellow and white, liquid can appear as colorless transparent, yellowish, light yellow to yellow brown. Different colors of Poly aluminum chloride in the application and production technology are also quite different.

Poly aluminum chloride is an 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. In the form can be divided into two kinds of solid and liquid, and solid according to different colors are divided into brown, yellow and white, different colors of Poly aluminum chloride in the application and production technology are also quite different.

White polymeric aluminum chloride is also known as a polymer coagulant. Is by aluminum hydroxide powder and high purity hydrochloric acid by spray drying processing of a white or milky white milk powder like fine powder, exposed in the air is very easy to melt. White polyaluminum chloride has replaced aluminum sulfate as a neutral sizing precipitant in the paper industry.

Polyaluminium Chloride - Nature

The liquid product of polyaluminum chloride is a light yellow to brown yellow suspension, and the solid product is a light yellow or orange yellow crystalline powder. It is composed of a series of inorganic polymer compounds with different degrees of polymerization, and has the best morphological distribution. The content of alumina in the transition product is more than 8%, and the content of alumina in the solid product is 20% ~ 40%. Strong removal of organic toxicants and heavy metal ions, stable traits. Soluble in water, the hydrolysis process is accompanied by electrochemical, coagulation, adsorption and precipitation and other physical and chemical processes.

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



Polyaluminium Chloride - Preparation Method

using industrial aluminum chips to make water purification agent polyaluminum chloride is a simple and economical method, because the main components of industrial aluminum chips are aluminum (94%), aluminum oxide (0.5%), impurities (5.5%), the purity of the water purifying agent after polymerization is relatively high, the production process is relatively simple, and the product after reaction can be cured. Polyaluminum chloride can also be obtained by acid dissolution of aluminum ash.

Polyaluminium Chloride - Advantages

PAC polyaluminum chloride has good spray drying stability, wide adaptability to water area, fast hydrolysis speed, strong adsorption ability, large alum flower formation, dense precipitation and low effluent turbidity, dehydration performance and other advantages, in the case of the same water quality, spray drying polyaluminum chloride dosage is reduced, especially in the case of poor water quality, spray drying product dosage compared with drum drying polyaluminum chloride, can be reduced by half, not only reduce the labor intensity of workers, and more important is to reduce the cost of water production.

In addition, the use of spray drying products can ensure safety, reduce water accidents, and is very safe and reliable for drinking water. Polymeric aluminum chloride, referred to as high-efficiency poly aluminum chloride, or high-efficiency PAC. The use of the most advanced production technology, the use of high-efficiency reaction polymerization of high-quality raw materials. Zhuqing all quality indicators have reached or even more than the national standard GB15892-2009 requirements. Poly aluminum chloride is processed by spray drying process. Therefore, it can also be called high efficiency spray drying Poly aluminum chloride. Poly aluminum chloride PAC product characteristics: kaibiyuan brand PAC products with fine powder, uniform particles, soluble in water, flocculation effect is good, high efficiency and stability, less dosage, low cost. Suitable for drinking water purification, urban water purification and industrial water purification and other aspects; Suitable for all kinds of turbidity of the source water, PH wide range of application, alum flower formation, fast, fast settling speed.

PAC Poly aluminum chloride water insoluble: the use of plate and frame filter technology, the solid water insoluble mass fraction of 0.3% or less, liquid water insoluble mass fraction of 0.1% or less, to ensure the smooth flow of the user's pipeline, while improving the use of drugs, and the natural sedimentation method is not up to. Polyaluminium chloride PAC-01 (light yellow powder, spray-dried): used for drinking water treatment and wastewater treatment. Poly aluminum chloride-is one of the star products in the water treatment medicament series. Poly aluminum chloride combines the advantages of ordinary Poly aluminum chloride, spray type Poly aluminum chloride, paper-making special high efficiency poly aluminum chloride and many other advantages. All water treatment pharmaceutical products to the latest national standard for the inspection standard, water treatment agents to GB15892-2009 for the detection standard.

Water treatment agent-efficient polymeric aluminum chloride is the best inorganic polymer water treatment agent in China, the treatment of various concentrations of water effect is quite good, and the dosage is small, its dosage is 50% less than the same concentration of ferrous sulfate, 10% less than the same concentration of polymeric aluminum chloride. High effect, low energy is mainly the high degree of polymerization of PAFC, because the general Iron Salt, aluminum salt water treatment agent in the hydrolysis process can only produce AL(OH)2 +, AL(OH)+2, fe (OH)2 +, Fe(OH)+2 and other simple hydrolysis of hydroxyl ions, and PAEC itself is AL3 +, Fe3 + Pre-aqueous intermediate product, it in the hydrolysis process in addition to the formation of the above hydroxyl ions, it can mainly generate a large number of degree of polymerization, positive charge from: AL4(OH)4+8, Fe4(OH)4+8...... Isopolyhydroxy cations are used to neutralize the charge of colloidal particles in water and compress the electric double layer, and a series of reactions such as hydroxyl bridging, cross-linking and surface adsorption occur at the same time. Under the corresponding collision, large alum flowers are condensed, rapid precipitation.

Polyaluminium Chloride - Use

basic aluminum chloride is a new type of inorganic polymer flocculant, which is an efficient, fast and low consumption water treatment agent. In the water and the negative charge of the colloidal particles with the instant neutralization, so that the colloidal de-stable, colloidal particles quickly flocculate, and further bridge the formation of large flocs and rapid precipitation. The turbidity removal effect is 1. 5~3 times of aluminum sulfate according to the comparison of effective components. The flocculation effect of low temperature turbidity water and high turbidity water is incomparable to ordinary inorganic coagulant. Widely used in urban water treatment, water reuse treatment, urban sewage treatment, oilfield reinjection water treatment, circulating cooling water treatment, industrial water treatment and papermaking, printing and dyeing, leather, ceramics, metallurgy, mining, oil, fluoride, coal washing and other industrial wastewater treatment. The effective dosage of the product is 20~50mg/L. The liquid product can be directly metered and added, and the solid product needs to be prepared into 10% ~ 15% solution in the dissolution tank before it is metered and added according to the required concentration. Polyaluminum chloride can also be used in papermaking sizing, casting molding, pharmaceutical refining, cosmetics manufacturing, Catalyst Carrier, sludge dewatering, cement quick setting, fabric wrinkle prevention, sugar liquid, glycerin refining and so on

Polyaluminium Chloride - Safety

if it is corrosive, it should be immediately rinsed with water if it is accidentally spattered on the skin. Production personnel to do a good job of protection, production equipment to be sealed, found that the leakage should be promptly washed with a large amount of water. The polyaluminum chloride liquid product may be stored in a cement tank. Solid products are easy to absorb moisture, but the use effect is not affected by moisture absorption. It shall not be stored in combination with a mixture of toxic and hazardous substances. There is no risk of explosion and combustion.


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