Legal analysis: The legal treatment method is to add crushed limestone and catalyst to waste aluminum ash, fully homogenize and mix the three materials, put the fully homogenized and mixed materials into a roasting reactor for catalytic roasting, grind or cool the obtained products after roasting, and get the product calcium aluminate powder after grinding. The treatment method of the invention has simple operation process, does not cause new environmental pollution, and conforms to the industrial development policy. While recycling waste aluminum ash, it not only reduces the environmental pollution caused by waste aluminum ash, but also improves the environmental governance of surrounding areas, and also opens up a reasonable and effective way for recycling waste aluminum ash.
Legal basis: Law of People's Republic of China (PRC) on the Prevention and Control of Environmental Pollution by Solid Waste Article 3 The state promotes green development mode to promote clean production and circular economy development. The state advocates a simple and moderate, green and low-carbon lifestyle, and guides the public to actively participate in the prevention and control of environmental pollution by solid waste.