Selective separation of virgin and post-consumer polymers (PET and PVC) by flotation method

More and more polymer wastes are generated by industry and householders today. Recycling is an important process to reduce the amount of waste resulting from human activities. Currently, recycling technologies use relatively homogeneous polymers because hand-sorting waste is costly. Many promising t...

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Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 29(2009), 6 vom: 01. Juni, Seite 1807-13
1. Verfasser: Burat, Firat (VerfasserIn)
Weitere Verfasser: Güney, Ali, Olgaç Kangal, M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Benzoates Ethylene Glycols Pentanols Plasticizers Polyethylene Terephthalates Sodium Hydroxide 55X04QC32I Linseed Oil 8001-26-1 mehr... isobutylmethylcarbinol 8U34XJK0R0 Polyvinyl Chloride 9002-86-2 diethylene glycol dibenzoate YAI66YDY1C
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100 1 |a Burat, Firat  |e verfasserin  |4 aut 
245 1 0 |a Selective separation of virgin and post-consumer polymers (PET and PVC) by flotation method 
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500 |a Date Completed 16.07.2009 
500 |a Date Revised 23.11.2015 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a More and more polymer wastes are generated by industry and householders today. Recycling is an important process to reduce the amount of waste resulting from human activities. Currently, recycling technologies use relatively homogeneous polymers because hand-sorting waste is costly. Many promising technologies are being investigated for separating mixed thermoplastics, but they are still uneconomical and unreliable. At present, most waste polymers cause serious environmental problems. Burning polymers for recycling is not practiced since poisonous gases are released during the burning process. Particularly, polyvinyl chloride (PVC) materials among waste polymers generate hazardous HCl gas, dioxins containing Cl, etc., which lead to air pollution and shorten the life of the incinerator. In addition, they make other polymers difficult to recycle. Both polyethylene terephthalate (PET) and PVC have densities of 1.30-1.35g /cm(3) and cannot be separated using conventional gravity separation techniques. For this reason, polymer recycling needs new techniques. Among these techniques, froth flotation, which is also used in mineral processing, can be useful because of its low cost and simplicity. The main objective of this research is to recycle PET and PVC selectively from post-consumer polymer wastes and virgin polymers by using froth flotation. According to the results, all PVC particles were floated with 98.8% efficiency in virgin polymer separation while PET particles were obtained with 99.7% purity and 57.0% efficiency in post-consumer polymer separation 
650 4 |a Journal Article 
650 7 |a Benzoates  |2 NLM 
650 7 |a Ethylene Glycols  |2 NLM 
650 7 |a Pentanols  |2 NLM 
650 7 |a Plasticizers  |2 NLM 
650 7 |a Polyethylene Terephthalates  |2 NLM 
650 7 |a Sodium Hydroxide  |2 NLM 
650 7 |a 55X04QC32I  |2 NLM 
650 7 |a Linseed Oil  |2 NLM 
650 7 |a 8001-26-1  |2 NLM 
650 7 |a isobutylmethylcarbinol  |2 NLM 
650 7 |a 8U34XJK0R0  |2 NLM 
650 7 |a Polyvinyl Chloride  |2 NLM 
650 7 |a 9002-86-2  |2 NLM 
650 7 |a diethylene glycol dibenzoate  |2 NLM 
650 7 |a YAI66YDY1C  |2 NLM 
700 1 |a Güney, Ali  |e verfasserin  |4 aut 
700 1 |a Olgaç Kangal, M  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Waste management (New York, N.Y.)  |d 1999  |g 29(2009), 6 vom: 01. Juni, Seite 1807-13  |w (DE-627)NLM098197061  |x 1879-2456  |7 nnas 
773 1 8 |g volume:29  |g year:2009  |g number:6  |g day:01  |g month:06  |g pages:1807-13 
856 4 0 |u http://dx.doi.org/10.1016/j.wasman.2008.12.018  |3 Volltext 
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