The production and use of aluminum foil
ã€China Aluminum Network】 Aluminum foil is a hot stamping material that is directly calendered into a thin sheet using metallic aluminum. Its hot stamping effect is similar to that of pure silver foil hot stamping, so it is also called false silver foil.
Waste aluminum foil can be used to prepare polyaluminum chloride. The polyaluminum chloride produced is an inorganic polymer flocculant. Because the polyaluminum chloride molecules have different amounts of hydroxyl groups, when the polyaluminum chloride is added to the turbid water source, the hydrolysis is continued under the pH condition of the source water, and a series of physics and chemistry occur such as aggregation, adsorption and precipitation. Process to achieve the purpose of purifying water. This application of aluminum foil has just met the current social conditions of rapid development of the industry and rapid urban population growth, water pollution is also increasingly serious. As the amount of wastewater that needs to be purified is increasing, the demand for water purifying agent, that is, aluminum chloride-derived polyaluminum chloride is also increasing.
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