RU2016131020A - Способ получения стирола из отходов полистирола - Google Patents
Способ получения стирола из отходов полистирола Download PDFInfo
- Publication number
- RU2016131020A RU2016131020A RU2016131020A RU2016131020A RU2016131020A RU 2016131020 A RU2016131020 A RU 2016131020A RU 2016131020 A RU2016131020 A RU 2016131020A RU 2016131020 A RU2016131020 A RU 2016131020A RU 2016131020 A RU2016131020 A RU 2016131020A
- Authority
- RU
- Russia
- Prior art keywords
- polystyrene
- reactor
- temperature
- producing styrene
- polystyrene waste
- Prior art date
Links
- 239000004793 Polystyrene Substances 0.000 title claims 6
- 229920002223 polystyrene Polymers 0.000 title claims 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims 4
- 239000002699 waste material Substances 0.000 title claims 3
- 238000000034 method Methods 0.000 title claims 2
- 239000003960 organic solvent Substances 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000004523 catalytic cracking Methods 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 claims 1
- 238000005336 cracking Methods 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 238000004090 dissolution Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
- C07C4/22—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by depolymerisation to the original monomer, e.g. dicyclopentadiene to cyclopentadiene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/20—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with hydrocarbons or halogenated hydrocarbons
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Claims (1)
- Способ получения стирола из отходов полистирола, включающий растворение отходов полистирола в органическом растворителе, введение полученного раствора в реактор и разложение полистирола в отсутствие катализатора при повышенной температуре и атмосферном давлении, отличающийся тем, что в качестве органического растворителя используют легкий газойль каталитического крекинга или тяжелый газойль каталитического крекинга, или их смесь, полистирол растворяют в количестве 5-15% мас. % по отношению к исходному сырью при температуре 70-120°C, обеспечивающей полное растворение полистирола, разложение проводят в проточном реакторе при температуре 450-550°C, атмосферном давлении и объемной скорости подачи сырья в реактор 4-36 ч-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2016131020A RU2655925C2 (ru) | 2016-07-28 | 2016-07-28 | Способ получения стирола из отходов полистирола |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2016131020A RU2655925C2 (ru) | 2016-07-28 | 2016-07-28 | Способ получения стирола из отходов полистирола |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| RU2016131020A true RU2016131020A (ru) | 2018-02-01 |
| RU2016131020A3 RU2016131020A3 (ru) | 2018-04-26 |
| RU2655925C2 RU2655925C2 (ru) | 2018-05-30 |
Family
ID=61174050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2016131020A RU2655925C2 (ru) | 2016-07-28 | 2016-07-28 | Способ получения стирола из отходов полистирола |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2655925C2 (ru) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1265189A1 (ru) * | 1984-08-15 | 1986-10-23 | Куйбышевский ордена Трудового Красного Знамени политехнический институт им.В.В.Куйбышева | Способ мономеризации полимерных отходов производства стирола и полистирола и устройство дл его осуществлени |
| JP2545748B2 (ja) * | 1994-08-31 | 1996-10-23 | 静岡大学長 | ポリスチレンからスチレンを回収するための方法 |
| DE10325251A1 (de) * | 2003-06-03 | 2005-03-24 | Röhm GmbH & Co. KG | Verfahren und Anordnung zur Depolymerisation |
-
2016
- 2016-07-28 RU RU2016131020A patent/RU2655925C2/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2016131020A3 (ru) | 2018-04-26 |
| RU2655925C2 (ru) | 2018-05-30 |
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