Summary: Want to understand the principle of polyaluminum chloride coagulation, first of all, we have to polyaluminum chloride polyaluminum chloride structure characteristics and coagulation mechanism of a little basic understanding and understanding. Today we follow the Guangxi polyaluminium chloride factory direct sales together to know. Polyaluminum chloride is composed of a series of inorganic polymer compounds with different degrees of polymerization, and has the best morphological distribution.

Want to understand the principle of polyaluminum chloride coagulation, first of all, we have to polyaluminum chloride polyaluminum chloride structure characteristics and coagulation mechanism of a little basic understanding and understanding. Today we followGuangxi Polyaluminum Chloride Factory OutletLet's get to know each other.

Polyaluminum chloride is composed of a series of inorganic polymer compounds with different degrees of polymerization, and has the best morphological distribution.

The main component is AI4(OH)24(H2O)24(H2O)127, which is a highly charged polymeric ring chain with Keggin structure. It has a high degree of electrical neutralization and bridging effect on colloids and particles in water, and can strongly remove micro-toxic substances and heavy metal ions, with stable properties.

In the water and colloidal particles with the negative charge of instantaneous neutralization, so that the colloid destabilization, colloidal particles quickly coagulate, and further bridge the formation of flocs and rapid precipitation.

Poly aluminum chloride is non-toxic, harmless, tasteless, soluble in water, liquid products are yellow or light yellow or colorless liquid; solid products are white or light yellow powder resin solid, solid products in the air easy to absorb moisture.

Guangxi Polyaluminum Chloride Factory OutletThe basic principle of coagulation of polyaluminium chloride:

1. Reduce the electric double layer

The structure of the electric double layer of the micelle determines that the concentration of the counter ions at the surface of the sealing glue is larger, and the larger the distance between the surface of the sealing glue is, the lower the concentration of the counter ions is, and finally the same as the ion concentration in the aqueous solution.

This principle can well describe the accumulation situation at the harbor, because when the water enters the sea surface, the acid salt increases, the ion concentration increases, and the reliability of the sealing glue carried by the water decreases, so the clay and other colloidal solution particles are easy to accumulate at the harbor.

2. Intermediate closing of power absorption

Absorption electrohydrolysis refers to that the surface layer of the particle has obvious adsorption effect on different positive ions, different sealing glue or mesh structure from the position where the molecular structure carries different positive charges, because this kind of adsorption effect combines part of its positive charges and reduces the electrostatic induction repulsion force, so it is very easy to get close to other particles and absorb each other.

3, adsorption bridging effect

The key to the mechanism of adsorption bridging is the adsorption and bridging of polymer material chemicals and sealing glue. It can also be understood that two large sealing adhesives of the same size are connected together because of a different sealing adhesive in the middle.

The adsorption of polymer on the surface of sealing glue comes from various physical effects, such as van der Waals attraction, electrostatic attraction, covalent bond, coordination bond, etc., and lies in the chemical structure characteristics of polymer and sealing glue surface. This principle can express the actual effect of non-inorganic compounds or inorganic compounds with the same electric number of polymer coagulants can obtain a good inclined plate sedimentation tank.

4. Principle of precipitation net catching

When metal salts (such as aluminum sulfate or ferric chloride) or hydroxides and nickel hydroxide (such as lime powder) are used as coagulant aids, when the addition amount is large enough to quickly settle the metal material nickel hydroxide (such as Al(OH)3, Fe(OH)3, Mg(OH)2 or metal material sulfide (such as CaCO3), the sealing gel in water can be caught by this precipitation when it is generated.

aboveGuangxi Polyaluminum Chloride Factory OutletThe four principles of concrete introduced in detail are often not independent conditions in sewage treatment, but may usually exist separately. They are only dominated by certain conditions under certain conditions. At this stage, they can be used to express the coagulation condition of water.

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