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The Chinese national standard for polyaluminium chloride is GBT22627-2022

Conditions for continued use after exposure to moisture
If the solid polyferric sulfate only lumps due to moisture, but no obvious oxidation or discoloration (such as no yellowing or redness), it can still be used normally after crushing. When using it, it is necessary to strengthen mixing to promote dissolution and appropriately increase the concentration of the solution to ensure the flocculation effect

What can be used to replace polyaluminum chloride in sewage treatment?
In sewage treatment, polyaluminum chloride (PAC) is commonly used, but the following alternatives can be considered in specific scenarios (such as reducing aluminum residue, adapting to low temperature water quality or cost optimization):

dosing ratio of industrial polyaluminum chloride
The following is a professional analysis of the dosage ratio of industrial grade polyaluminum chloride (PAC) in the treatment of industrial sewage, comprehensive technical specifications and practical application points:

application of polyferric sulfate in aquaculture
Polyferric sulfate (PFS) is used as an efficient water quality and sediment improver in aquaculture. It can significantly improve the aquaculture environment through flocculation, precipitation, oxidation, decomposition and nutrient supplementation. The specific applications are as follows:

Can polyaluminum chloride be used in aquaculture

what color is polyaluminum chloride pac
PAC color classification and corresponding levels
The color difference of PAC directly reflects its purity level and core components, which are mainly divided into four levels:

Record of customers' visit Brazilian customers visit Aierfuke
On August 12,2025, Aierfuke welcomed a landmark international visit —— Two key clients from Brazil visited the company's headquarters to thoroughly examine our modern water treatment production line. This visit not only showcased Aierfuke's technical capabilities and brand influence in the global water treatment sector, but also opened new avenues for deeper cooperation between China and Brazil in environmental technology.

synergistic effect of pac and pam in water treatment
In sewage treatment, the combined use of PAC (polyaluminum chloride) and PAM (polyacrylamide) is a classic combination in the industry. The fundamental reason lies in the complementary mechanism and synergistic effect of the two, and the best treatment effect cannot be achieved by using them separately. The following is a point-by-point analysis of the core reasons:

PAC
PFS
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