Polyamine Liquid For Sewage

Polyamine Liquid For Sewage

Polyamine liquid is a kind of light yellow to white viscous liquid,the viscosity of chemical polyamine solution is different with the activate content changing. 

50% chemical polyamine solution is the highest content and polyamine liquid is always packed by drum or IBC. Sewage use polyamine is usually used for wastewater and sewage treatment, and then

polyamine liquid has stable performance and shelf time is 12Months.

Polyamine have important applications in the sewage treatment, mainly reflected in the following:

1.Flocculation:

Removal of suspended particles Polyamine liquid have cationic properties and can neutralize negatively charged suspended particles in sewage, destabilizing them and causing them to aggregate with each other to form larger particle flocs.

These flocs are easy to precipitate or be separated from the sewage through chemical polyamine solution.For example, in the pretreatment stage of a municipal sewage treatment plant, polyamine liquid can help remove suspended particles, such as silt and clay in the sewage, reducing the load of subsequent treatment units.

For some industrial sewage, such as mine wastewater and construction wastewater which contain a large number of fine suspended particles, the flocculation effect of polyamine solution can effectively improve the removal efficiency of these particles and make the treated water quality clearer.

Removal of chroma and organic matter For some sewage containing colored substances and dissolved organic matter, chemical polyamine solution can wrap these substances in flocs through adsorption and bridging during the flocculation process, thereby achieving the purpose of removing chroma and some organic matter. For example, in the treatment of printing and dyeing wastewater, polyamine liquid can interact with dye molecules to form larger flocs, removing the dyes from the water and reducing the chroma of the wastewater.

In the treatment of papermaking wastewater, polyamine liquid can combine with organic matters such as lignin and cellulose in papermaking wastewater and remove them through flocculation and sedimentation to improve the water quality of the wastewater.

2.Sludge dewatering Enhancement of sludge dewatering performance A large amount of sludge is produced during the sewage treatment process. This sludge contains a high moisture content and requires dewatering treatment to reduce volume and facilitate subsequent disposal. Polyamine solution can be used as sludge dewatering agents, by changing the surface properties and structure of sludge particles, reducing the specific resistance of the sludge and improving the dewatering efficiency of the sludge. For example, in the sludge treatment of a municipal sewage treatment plant, after sewage use polyamine liquid, the moisture in the sludge can be more easily extruded, thereby reducing the moisture content of the sludge.

For some industrial sludge, such as food processing sludge and chemical sludge, the dewatering effect of polyamine solution is more significant. Sewage use polyamine liquid can destroy the colloidal structure of the sludge, release the bound water therein, and make the sludge more prone to dewatering.

Sewage use chemical polyamine solution for reduction of sludge treatment costs The volume of sludge treated with polyamine liquid is greatly reduced and the transportation and disposal costs are correspondingly reduced. At the same time, the dewatered sludge can undergo subsequent treatments such as incineration, landfill or resource utilization, improving the treatment efficiency and resource utilization rate of the sludge. For example, the dewatered sludge can be used for land improvement and production of building materials, achieving reduction, stabilization and resource utilization of the sludge.

Polyamine and polydadmac are always used for industrial wastewater and sewage treatment.

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