The invention discloses a method for extracting pulp and aluminum foil from scrap aluminum aluminum foil. It is a method of obtaining high-quality pulp and aluminum foil by stirring the waste aluminum foil in a dipping tank and stirring the surface in a stirring pool with 3 kinds of chemicals. The use of this method to dispose of waste aluminum foil can increase the utility value of waste products and save natural resources.
A method for extracting pulp and aluminum foil from waste aluminum foil. The process is: First, the waste aluminum foil is put into a soaking tank filled with fresh water for soaking, the water in the soaking pool may also be hot water of 85°C-95°C, or the soaking tank may be made into a warmable structure; Put the soaked aluminum foil in a stirred tank equipped with stirring blades for stirring. The mixing tank is also filled with clean water and is equipped with 3 kinds of chemicals. They are: sodium carbonate, which is added in the water in the mixing tank. 1%-1.5% by weight; Calcium hydroxide is added in an amount such that the pH of the water in the agitation tank is between 10-12; Sodium silicate, the amount of which is added to the water in the mixing tank. 0.02%-0.03% of the weight; After stirring in the mixing tank with stirring blades, the paper in the waste aluminum foil is pulped in the lower part of the pool, while the separated aluminum foil floats in the mixing tank. In the upper part, remove the aluminum foil and sink it in the bottom of the pulp.
A method for extracting pulp and aluminum foil from waste aluminum foil. The process is: First, the waste aluminum foil is put into a soaking tank filled with fresh water for soaking, the water in the soaking pool may also be hot water of 85°C-95°C, or the soaking tank may be made into a warmable structure; Put the soaked aluminum foil in a stirred tank equipped with stirring blades for stirring. The mixing tank is also filled with clean water and is equipped with 3 kinds of chemicals. They are: sodium carbonate, which is added in the water in the mixing tank. 1%-1.5% by weight; Calcium hydroxide is added in an amount such that the pH of the water in the agitation tank is between 10-12; Sodium silicate, the amount of which is added to the water in the mixing tank. 0.02%-0.03% of the weight; After stirring in the mixing tank with stirring blades, the paper in the waste aluminum foil is pulped in the lower part of the pool, while the separated aluminum foil floats in the mixing tank. In the upper part, remove the aluminum foil and sink it in the bottom of the pulp.
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