Method for recycling polystyrene foamed plastic with vegetable fat methyl ester production as volume reduction agent
A technology of polystyrene foam and vegetable oil, which is applied in the direction of plastic recycling, recycling technology, fuel, etc., can solve the problems of limited popularization, high production cost, and few sources of raw materials, so as to achieve rich sources, low energy consumption, and recycling high rate effect
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Embodiment 1
[0020] Provide soybean oil methyl esterification products;
[0021] Styrofoam 10.0g (density 0.02g / cm 3 ) into particles with a diameter of less than 2cm, and added to 25mL soybean oil methyl esterification product (density 0.88g / cm 3 ) in a beaker at a constant temperature of 15°C, wait until it is completely dissolved, let it stand until the solution is clear, then filter, and discard the filtrate. Add 25 mL of 0 to the filtrate # Diesel oil, shaking, a large amount of white precipitate appeared in the solution, after standing for 5 minutes, filter out the precipitate and measure it, the recovered polystyrene density is 0.80g / cm 3 , The recovery rate is 98.5%, and the recovered polystyrene reaches the standard performance. Filtrate is filtered with G4 glass sand core funnel, and its filtrate is the diesel oil solution that is dissolved with volume reducer, and through gas chromatography detection, fatty acid methyl ester content is 49.6%; Add 76.23mL 0 to the filtrate # ...
Embodiment 2
[0023] Provide rapeseed oil methyl esterification product;
[0024] 10.0g polystyrene foam (density 0.02g / cm 3 ) into particles with a diameter of less than 2cm, and added to 40mL rapeseed oil methyl esterification product (density 0.88g / cm 3 ) in a beaker at a constant temperature of 25°C, wait until it is completely dissolved, let it stand until the solution is clear, then filter, and discard the filtrate. Add 40 mL of 0 to the filtrate # Diesel oil, shaking, a large amount of white precipitate appeared in the solution, after standing for 5 minutes, filter out the precipitate and measure it, the recovered polystyrene density is 0.80g / cm 3 , The recovery rate is 98.5%, and the recovered polystyrene reaches the standard performance. The filtrate is filtered with a G4 glass sand core funnel, and detected by gas chromatography, the fatty acid methyl ester content is 49.3%; add 120.73mL 0 to the filtrate # Diesel oil is stirred evenly to obtain B20 composite biodiesel.
Embodiment 3
[0026] Provide palm oil methyl esterification products;
[0027] Styrofoam 10.0g (density 0.02g / cm 3 ) was crushed into particles with a diameter less than 2cm, and added to 50mL palm oil methyl esterification product (density 0.87g / cm 3 ) in a beaker at a constant temperature of 40°C, wait until it is completely dissolved, let it stand until the solution is clear, then filter, and discard the filtrate. Add 50 mL of 0 to the filtrate # Diesel oil, shaking, a large amount of white precipitate appeared in the solution, after standing for 5 minutes, the precipitate was filtered out and weighed, the recovered polystyrene density was 0.79g / cm 3 , The volume reduction recovery rate is 98.0%, and the recovered polystyrene reaches the standard performance. The filtrate is filtered with a G4 glass sand core funnel, and detected by gas chromatography, the fatty acid methyl ester content is 49.2%, and 150.40mL 0 is added to the filtrate. # Diesel oil is stirred evenly to obtain B20 c...
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