Abstract
Small household appliances such as electric fans, vacuum cleaners, etc. are diverse and complex due to the materials and components, therefore, recycling of these appliances is extremely challenging. In the present study, physical characteristics of used small household appliances are analyzed to investigate their plastic concentrations and ratio of black plastics. The highest plastic concentration in used small appliances is up to 68%(i.e. humidifier). The average ratio of black plastics in the used small appliances is over 35% and black plastics mainly consist of ABS, PS and PP. In addition, plastic mixture samples obtained from the private recycling companies were also analyzed to improve the recovery of plastics by resin type. The plastic mixture samples(i.e. sink and float products) are obtained from the wet-type gravity separation process and then analyzed their physical characteristics. The new separation technology will be developed to promote the recycling of black plastics in the near future.
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