Plastic-aluminum separating agent and plastic-aluminum separating method
An aluminum-plastic separation and separating agent technology, applied in the field of separating agents, can solve the problems of high cost, equipment corrosion, human body irritation, etc., and achieve the effect of completely separating aluminum foil and plastic, less corrosiveness and pollution, and highlighting the substantive characteristics.
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Embodiment 1
[0029]The aluminum-plastic separating agent of this embodiment is mainly made by mixing formic acid and dichloromethane, wherein the parts by weight of formic acid are: 90 parts, and the parts by weight of dichloromethane are: 7 parts.
[0030] Specifically, the steps of using the separating agent of this embodiment to carry out the aluminum-plastic separation method are:
[0031] 1. Crushing and cleaning - crush the collected waste aluminum-plastic composite packaging into blocks with a pulverizer, and then clean them;
[0032] 2. Liquid preparation—put the above-mentioned aluminum-plastic separating agent into the water tank, so that the concentration of the separating agent in the water tank is 12%, and keep the solution temperature in the water tank at 35°C;
[0033] 3. Soaking - Put the broken aluminum-plastic composite packaging into a container with mesh holes, and then use a hoist to put the container into the water tank, so that the container is completely submerged b...
Embodiment 2
[0043] The aluminum-plastic separating agent of the present embodiment is mainly made by mixing formic acid and methylene chloride, and nonionic surfactant is also added, wherein the parts by weight of formic acid are: 160 parts by weight, and the parts by weight of methylene chloride are 9 parts Parts, the weight ratio parts of nonionic surfactant are: 2 parts.
[0044] Specifically, the separating agent of this embodiment is used to carry out the aluminum-plastic separation method is basically the same as that of Embodiment 1, the difference is:
[0045] 1) In step 1, the waste aluminum-plastic composite packaging is crushed into strips;
[0046] 2) In step 2, the concentration of the separating agent in the water tank is 20%, and the temperature of the solution in the water tank is maintained at 28°C;
[0047] 3) In step 3, the soaking time is 8 hours;
[0048] 4) In step 6, the separated aluminum foil and plastic film are respectively cleaned with lime water, and then dr...
Embodiment 3
[0055] The components of the aluminum-plastic separating agent in this embodiment are the same as in Example two, but the parts by weight of each component are different, wherein the parts by weight of formic acid are: 42 parts, and the parts by weight of dichloromethane are: 6 parts Parts, the weight ratio parts of nonionic surfactant are: 3 parts.
[0056] Specifically, the separating agent of this embodiment is used to carry out the aluminum-plastic separation method is basically the same as that of embodiment two, the difference is:
[0057] 1) In step 2, the mass concentration of the separating agent in the water tank is 25%, and the temperature of the solution in the water tank is maintained at 20°C;
[0058] 2) In step 3, the soaking time is 6 hours;
[0059] 3) An ultrasonic generator is installed on the inner wall of the tank, and the ultrasonic generator is turned on while soaking in step 3.
[0060] After the applicant uses the aluminum-plastic separating agent an...
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Abstract
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