Granted Patent
B2
US 12,252,592 · App. 18/346,248 · Granted Mar 18, 2025
Reactor for continuously treating polymeric material
Inventors:
Amalia Gil (Brantford, CA); Domenic Di Mondo (Brampton, CA); Radek Rybicki (Brantford, CA)
Assignee:
GreenMantra Recycling Technologies Ltd.
C08J11/12B01F25/42B01F25/43141B01J8/0221B01J8/0278B01J8/0285B01J19/1818B01J19/2415B01J19/242B01J19/245B01J27/19B09B3/40B29B17/00B29B17/04C08J11/10C08J11/16C08L91/06C10G1/02C10G1/10C10M109/02B01F2101/2805B01J2208/00176B01J2208/00407B01J2208/00831B01J2208/0084B01J2208/027B01J2219/00761B01J2523/00B29K2023/06C08J2323/06C10G2300/1003C10N2050/10Y02W30/62
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Abstract
A system for continuously treating recycled polymeric material includes a hopper configured to feed the recycled polymeric material into the system. An extruder can turn the recycled polymeric material in a molten material. In some embodiments, the extruder uses thermal fluids, electric heaters, and/or a separate heater. The molten material is depolymerized in a reactor. In some embodiments, a catalyst is used to aid in depolymerizing the material. In certain embodiments, the catalyst is contained in a permeable container. The depolymerized molten material can then be cooled via a heat exchanger. In some embodiments, multiple reactors are used. In certain embodiments, these reactors are connected in series. In some embodiments, the reactor(s) contain removable static mixer(s) and/or removable annular inserts.
Claims (43)
1. A method for continuously treating a recycled polymeric material comprising:
continuously feeding said recycled polymeric material into a system;
heating said recycled polymeric material in an extruder to continuously turn said recycled polymeric material into a molten material;
continuously depolymerizing said molten material via a depolymerization process into a first material using a first reactor; and
continuously depolymerizing said molten material into a second material using a second reactor,
wherein said first material is a first oil, and
wherein said second material is different from said first oil.
2. The method of claim 1 wherein said recycled polymeric material comprises crosslinked polyethylene.
3. The method of claim 1 further comprising:
continuously purifying said first oil via a purifier system.
4. The method of claim 1 wherein said recycled polymeric material comprises polyethylene.
5. The method of claim 1 wherein said recycled polymeric material comprises polypropylene.
6. The method of claim 1 wherein said recycled polymeric material comprises polystyrene.
7. The method of claim 1 wherein said depolymerization process utilizes a catalyst.
8. The method of claim 1
wherein said first reactor and said second reactor are connected in parallel.
9. The method of claim 1 further comprising:
continuously depolymerizing said molten material into a third material using a third reactor, and
wherein said first reactor, said second reactor, and said third reactor are connected in parallel.
10. The method of claim 9 wherein said second reactor has a first dimension and said third reactor has a second dimension, wherein said first dimension and said second dimension differ such that said second material is different from said third material.
11. The method of claim 1 wherein said second material is a second oil.
12. The method of claim 11
wherein said second oil is different from said first oil, and
wherein said first reactor and said second reactor are connected in parallel.
13. The method of claim 11 further comprising:
continuously depolymerizing said molten material into a third oil using a third reactor,
wherein said second oil is different from said third oil, and
wherein said first reactor, said second reactor, and said third reactor are connected in parallel.
14. The method of claim 13 wherein said second reactor has a first dimension and said third reactor has a second dimension, wherein said first dimension and said second dimension differ such that said second oil is different from said third oil.
15. The method of claim 11 wherein said depolymerization process utilizes a catalyst.
16. A system for continuously treating a recycled polymeric material comprising:
a hopper configured to continuously feed said recycled polymeric material into said system;
an extruder system configured to continuously turn said recycled polymeric material into a molten material;
a first reactor configured to continuously depolymerize said molten material into a first oil;
a second reactor configured to depolymerize said molten material into a second oil; and
a third reactor configured to depolymerize said molten material into a third oil,
wherein said first reactor, said second reactor, said third reactor are connected in parallel,
wherein said second reactor has a first dimension and said third reactor has a second dimension, and
wherein said first dimension and said second dimension differ such that said second oil is different from said third oil.
17. The method of claim 1 wherein said second material is a first wax.
18. The method of claim 9 wherein said second material is a first wax.
19. The method of claim 7 wherein said catalyst is [Fe—Cu—Mo—P]/Al 2 O 3 .
20. The system of claim 16 wherein said system further comprises a catalyst, wherein said catalyst is [Fe—Cu—Mo—P]/Al 2 O 3 .
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Jul 19, 2023
From: GIL, AMALIA; DI MONDO, DOMENIC; RYBICKI, RADEK
To: GREENMANTRA RECYCLING TECHNOLOGIES LTD.
Reel/Frame 064309/0451 →
Continuity (6)
Provisional Application
62273411
· Dec 30, 2015
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