RU2008128664A - METHOD FOR POLYETRAFTHORETHYLENE WASTE PROCESSING - Google Patents
METHOD FOR POLYETRAFTHORETHYLENE WASTE PROCESSING Download PDFInfo
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- RU2008128664A RU2008128664A RU2008128664/04A RU2008128664A RU2008128664A RU 2008128664 A RU2008128664 A RU 2008128664A RU 2008128664/04 A RU2008128664/04 A RU 2008128664/04A RU 2008128664 A RU2008128664 A RU 2008128664A RU 2008128664 A RU2008128664 A RU 2008128664A
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- RU
- Russia
- Prior art keywords
- pyrolysis
- water vapor
- waste
- polyetrafthorethylene
- polytetrafluoroethylene waste
- Prior art date
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Abstract
1. Способ переработки отходов политетрафторэтилена путем непрерывного пиролиза отходов политетрафторэтилена в присутствии водяного пара при температуре выше 500°С, отличающийся тем, что, с целью регулирования выхода фтормономеров и мелкодисперсного фторопласта, пиролиз проводят в две последовательные стадии. ! 2. Способ по п.1, отличающийся тем, что температура пиролиза на первой стадии составляет 600-750°С, а на второй - 500-600°С. ! 3. Способ по п.1, отличающийся тем, что подача водяного пара на пиролиз составляет 7-10 мас.ч. на 1 мас.ч. отходов политетрафторэтилена.1. A method of processing polytetrafluoroethylene waste by continuous pyrolysis of polytetrafluoroethylene waste in the presence of water vapor at a temperature above 500 ° C, characterized in that, in order to control the yield of fluoromonomers and finely divided fluoroplastic, pyrolysis is carried out in two successive stages. ! 2. The method according to claim 1, characterized in that the pyrolysis temperature in the first stage is 600-750 ° C, and in the second - 500-600 ° C. ! 3. The method according to claim 1, characterized in that the supply of water vapor for pyrolysis is 7-10 wt.h. per 1 part by weight polytetrafluoroethylene waste.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2008128664/04A RU2387632C2 (en) | 2008-07-14 | 2008-07-14 | Method of processing polytetrafluoroethylene wastes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2008128664/04A RU2387632C2 (en) | 2008-07-14 | 2008-07-14 | Method of processing polytetrafluoroethylene wastes |
Publications (2)
Publication Number | Publication Date |
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RU2008128664A true RU2008128664A (en) | 2010-01-20 |
RU2387632C2 RU2387632C2 (en) | 2010-04-27 |
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RU2008128664/04A RU2387632C2 (en) | 2008-07-14 | 2008-07-14 | Method of processing polytetrafluoroethylene wastes |
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RU (1) | RU2387632C2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2469056C1 (en) * | 2011-06-16 | 2012-12-10 | Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Method of producing composite material based on polytetrafluoroethylene and silicon dioxide |
RU2528054C2 (en) * | 2011-12-05 | 2014-09-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "ВЯТСКИЙ ГОСУДАРСТВЕННЫЙ УНИВЕРСИТЕТ" (ФГБОУ ВПО "ВятГУ") | Method of recycling fluoroplasts and materials, containing them, with obtaining ultradisperse fluroplast and perfluoroparaffins |
RU2561111C1 (en) * | 2014-04-01 | 2015-08-20 | Федеральное государственное бюджетное учреждение науки Институт химии Дальневосточного отделения Российской академии наук (ИХ ДВО РАН) | Method of processing polytetrafluoroethylene |
RU2601000C2 (en) * | 2014-12-23 | 2016-10-27 | Акционерное общество "Ордена Трудового Красного Знамени Научно-исследовательский физико-химический институт имени Л.Я. Карпова" (АО "НИФХИ им. Л.Я. Карпова") | Method of processing high-molecular weight polytetrafluoroethylene |
RU2647736C2 (en) * | 2016-05-30 | 2018-03-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" ФГБОУ ВО ТГТУ | Two-step massive block ware production method based on polytetrafluoroethylene and molecular composites from ultradispersed polytetrafluoroethylene and niocyanates of silicon and titanium |
CN110005940A (en) * | 2018-01-04 | 2019-07-12 | 中昊晨光化工研究院有限公司 | A kind of tetrafluoroethylene monomer measuring tank and stocking system with air temperature type vaporizer |
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2008
- 2008-07-14 RU RU2008128664/04A patent/RU2387632C2/en active
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Publication number | Publication date |
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RU2387632C2 (en) | 2010-04-27 |
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