Textile Waste Water Treatment Aluminum Sulphate

The role of aluminum sulfate in the textile industry is different from that of phosphorus removal agents and other wastewater treatment agents. Textile waste water treatment aluminum sulphate is not only used as a wastewater purification agent, but also has more characteristics in fabric coloring and wastewater adsorption.

When textile waste water treatment aluminum sulfate is used, it dissolves in a large amount of neutral or slightly alkaline water, producing colloidal precipitates of aluminum hydroxide and Al (OH) 3. When printing and dyeing fabrics, aluminum hydroxide colloids make it easier for dyes to adhere to plant fibers.

At present, ion exchange fibers are widely recognized, mainly used for adsorbing heavy metals and pigments, with a larger surface area, faster ion exchange speed, easy regeneration, and good decolorization effect on difficult to treat reactive dye wastewater; Some adsorbents that integrate adsorption and flocculation functions, such as diatomaceous earth composite water purifiers, have also been developed. Modified fly ash with flocculation performance is made from power plant fly ash, which has high decolorization rates for both hydrophobic and hydrophilic dye wastewater.

Textile waste water treatment aluminium sulphate is not only used in the printing and dyeing industry, but also in a specific field like aluminum sulfate in papermaking. Aluminum sulfate is also used to regulate soil pH because it hydrolyzes to produce aluminum hydroxide and produces a small amount of dilute sulfuric acid solution.

The key to coagulation treatment of textile wastewater lies in selecting appropriate flocculants. Conventional flocculants suitable for textile wastewater treatment mainly include polyaluminum chloride, aluminum sulfate, iron sulfate, and iron chloride in the early stage, and cationic polyacrylamide in the later stage. These flocculants have obvious effects in treating some non water-soluble dye wastewater.

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