Methods of Producing Liquid Hydrocarbon Fuels from Solid Plastic Wastes

• US 20120310023A1
• Filed: 05/31/2012
• Published: 12/06/2012
• Est. Priority Date: 05/31/2011
• Status: Active Grant

• Current Assignee: University of Central Florida Research Foundation Inc. (State University System of Florida)
• Original Assignee: University of Central Florida Research Foundation Inc. (State University System of Florida)
• Inventors: Huang, Cunping, Gujar, Amit, Rodgers, Marianne
• Granted Patent: US 9,200,207 B2
• Time in Patent Office: Days
• US Class Current: 585/241
• CPC Class Codes: C10B 53/07 of solid raw materials consisting of synthetic polymeric materials, e.g. tyres waste in general, e.g. household waste C10B53/00; recovery or working-up of waste materials of organic macromolecular compounds or compositions based thereon by dry-heat treatment for obtaining partially depolymerised materials C08J11/10; production of liquid hydrocarbon mixtures from rubber or rubber waste C10G1/10
• CPC Class Codes: C10G 1/002 in combination with oil conversion- or refining processes
• CPC Class Codes: C10G 1/10 from rubber or rubber waste
• CPC Class Codes: C10G 2300/1003 Waste materials
• CPC Class Codes: C10G 2400/02 Gasoline
• CPC Class Codes: C10G 2400/04 Diesel oil
• CPC Class Codes: C10L 5/406 on plastic
• CPC Class Codes: Y02E 50/30 Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

Embodiments of the present disclosure provide methods of producing high quality liquid fuels from solid plastic waste, high quality liquid fuels, and the like.

Claims

1. A method of producing high quality liquid fuels, comprising:

mixing a solid plastic waste with a metal hydride and a supported metal catalyst;

gasifying the mixture; and

producing the high quality liquid fuels.

2. The method of claim 1, wherein the metal hydride is selected from the group consisting of:

magnesium hydride (MgH₂), calcium hydride (CaH₂), palladium hydride, berllium hydride (BeH₂), alluminum hydride (AlH₃), indiium hydride (InH₃), lithium aluminum hydride (LiAlH₄), solium aluminum hydride (NaAlH₄), sodium borohydride (NaBH₄), and a combination thereof.

3. The method of claim 1, wherein the supported metal catalyst includes a support selected from the group consisting of:

Al₂O₃, SiO₂, zeolite, zirconia, MgO, TiO₂, activated carbon, clays, and a combination thereof.

4. The method of claim 1, wherein the supported metal catalyst includes a metal disposed on the support, wherein the metal is selected from the group consisting of:

Pt, Pd, Ir, Ru, Rh, Ni, Co, Fe, Mn, Mg, Ca, Mo, Ti, Zn, Al, metal alloy of Pt—

Pd, metal alloy of Pt—

Ru, metal alloy of Pt—

Pd—

Ru, metal alloy of Pt—

Co, metal alloy of Co—

Ni, metal alloy of Co—

Fe, metal alloy of Ni—

Fe, metal alloy of Co—

Ni—

Fe, and a combination thereof.

5. The method of claim 1, wherein gasifying includes a temperature of about 300 to 800°

C. and a pressure of about 1 atm to 20 atm.

6. The method of claim 1, further comprising pyrolizing and forming the high quality liquid fuel in a single step.

7. A method of producing a high quality liquid fuel, comprising:

melting a solid plastic waste;

adding a metal hydride and a supported metal catalyst; and

producing the high quality liquid fuel.

8. The method of claim 7, wherein the metal hydride is selected from the group consisting of:

magnesium hydride (MgH2), calcium hydride (CaH2), palladium hydride, berllium hydride (BeH₂), alluminum hydride (AlH₃), indiium hydride (InH₃), lithium aluminum hydride (LiAlH₄), solium aluminum hydride (NaAlH₄), sodium borohydride (NaBH₄), and a combination thereof.

9. The method of claim 7, wherein the supported metal catalyst includes a support selected from the group consisting of:

Al₂O₃, SiO₂, zeolite, zirconia, MgO, TiO₂, activated carbon, clays, and a combination thereof.

10. The method of claim 7, wherein the supported metal catalyst includes a metal disposed on the support, wherein the metal is selected from the group consisting of:

Pt, Pd, Ir, Ru, Rh, Ni, Co, Fe, Mn, Mg, Ca, Mo, Ti, Zn, Al, metal alloy of Pt—

Pd, metal alloy of Pt—

Ru, metal alloy of Pt—

Pd—

Ru, metal alloy of Pt—

Co, metal alloy of Co—

Ni, metal alloy of Co—

Fe, metal alloy of Ni—

Fe, metal alloy of Co—

Ni—

Fe, and a combination thereof.

11. The method of claim 7, wherein melting includes a temperature of about 300 to 800°

C. and a pressure of about 1 atm to 20 atm.

12. The method of claim 7, further comprising pyrolizing and forming the high quality liquid fuel in a single step.

13. A high quality fuel prepared by a process comprising:

mixing a solid plastic waste with a metal hydride and a supported metal catalyst;

gasifying the mixture; and

producing the high quality liquid fuel.

14. The high quality fuel of claim 13, wherein the metal hydride is selected from the group consisting of:

magnesium hydride (MgH₂), calcium hydride (CaH₂), palladium hydride, berllium hydride (BeH₂), alluminum hydride (AlH₃), indiium hydride (InH₃), lithium aluminum hydride (LiAlH₄), solium aluminum hydride (NaAlH₄), sodium borohydride (NaBH₄), and a combination thereof.

15. The high quality fuel of claim 13, wherein the supported metal catalyst includes a support selected from the group consisting of:

Al₂O₃, SiO₂, zeolite, zirconia, MgO, TiO₂, activated carbon, clays, and a combination thereof.

16. The high quality fuel of claim 13, wherein the supported metal catalyst includes a metal disposed on the support, wherein the metal is selected from the group consisting of:

Pt, Pd, Ir, Ru, Rh, Ni, Co, Fe, Mn, Mg, Ca, Mo, Ti, Zn, Al, metal alloy of Pt—

Pd, metal alloy of Pt—

Ru, metal alloy of Pt—

Pd—

Ru, metal alloy of Pt—

Co, metal alloy of Co—

Ni, metal alloy of Co—

Fe, metal alloy of Ni—

Fe, metal alloy of Co—

Ni—

Fe, and a combination thereof.

17. A high quality fuel prepared by a process comprising:

melting a solid plastic waste

adding a metal hydride and a supported metal catalyst; and

producing the high quality liquid fuel.

18. The high quality fuel of claim 17, wherein the metal hydride is selected from the group consisting of:

magnesium hydride (MgH₂), calcium hydride (CaH₂), palladium hydride, berllium hydride (BeH₂), alluminum hydride (AlH₃), indiium hydride (InH₃), lithium aluminum hydride (LiAlH₄), solium aluminum hydride (NaAlH₄), sodium borohydride (NaBH₄), and a combination thereof.

19. The high quality fuel of claim 17, wherein the supported metal catalyst includes a support selected from the group consisting of:

Al₂O₃, SiO₂, zeolite, zirconia, MgO, TiO₂, activated carbon, clays, and a combination thereof.

20. The high quality fuel of claim 17, wherein the supported metal catalyst includes a metal disposed on the support, wherein the metal is selected from the group consisting of:

Pt, Pd, Ir, Ru, Rh, Ni, Co, Fe, Mn, Mg, Ca, Mo, Ti, Zn, Al, metal alloy of Pt—

Pd, metal alloy of Pt—

Ru, metal alloy of Pt—

Pd—

Ru, metal alloy of Pt—

Co, metal alloy of Co—

Ni, metal alloy of Co—

Fe, metal alloy of Ni—

Fe, metal alloy of Co—

Ni—

Fe, and a combination thereof.