Process for upgrading biomass derived products
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-017/02
B01D-017/04
C10G-029/06
C10G-029/10
C10G-029/20
C10G-029/22
C10G-003/00
B01D-017/06
C10G-032/02
C10G-033/02
C10G-033/04
출원번호
US-0212861
(2011-08-18)
등록번호
US-9315739
(2016-04-19)
발명자
/ 주소
Smith, Ed
Sanchez, Vicente
Trewella, Jeffrey C.
McGovern, Stephen J.
Roemisch, Royce
Sorrells, Jennifer
May, Leslie
Corredores, Maria Magdalena Ramirez
Banda, Rocio Maria
Bauer, Lorerz
출원인 / 주소
KiOR, LLC
대리인 / 주소
Dunlap Codding, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
64
초록▼
Disclosed is a process for the alteration of the ratio of the specific gravities of the oil and water phases resulting from the conversion of biomass to liquid products, the reduction of the conductivity and of metals of the product mixture, which each can aid in the removal of solids contained in t
Disclosed is a process for the alteration of the ratio of the specific gravities of the oil and water phases resulting from the conversion of biomass to liquid products, the reduction of the conductivity and of metals of the product mixture, which each can aid in the removal of solids contained in the oil phase.
대표청구항▼
1. A method comprising: a) providing a first mixture comprising reaction products produced from catalytic conversion of biomass at temperatures ranging from 300° C. to 1000° C., wherein the reaction products include a first oil phase comprising biomass-derived, carbon-containing compounds and a firs
1. A method comprising: a) providing a first mixture comprising reaction products produced from catalytic conversion of biomass at temperatures ranging from 300° C. to 1000° C., wherein the reaction products include a first oil phase comprising biomass-derived, carbon-containing compounds and a first aqueous phase comprising water, wherein the ratio of the specific gravities of the first oil phase to the first aqueous phase (SGR1) is greater than 1.0;b) modifying the specific gravity of at least one of said first oil phase and said first aqueous phase, thereby resulting in a second mixture having a second oil phase and a second aqueous phase, wherein the ratio of the specific gravities of said second oil phase to said second aqueous phase (SGR2) is less than 1.0; andc) separating at least a portion of said second oil phase from said second mixture. 2. The method of claim 1 wherein said SGR1 is greater than about 1.05. 3. The method of claim 1 wherein said SGR1 is greater than about 1.1. 4. The method of claim 1 wherein said SGR2 is less than about 0.99. 5. The method of claim 1 wherein said SGR2 is less than about 0.97. 6. The method of claim 1 wherein step b) includes adding at least one specific gravity modifier to said first mixture, thereby forming said second mixture. 7. The method of claim 6 wherein said at least one specific gravity modifier comprises a diluent which is combined with said first oil phase, thereby forming said second oil phase, and wherein the specific gravity of said second oil phase is lower than the specific gravity of said first oil phase. 8. The method of claim 7 wherein the specific gravity of said second oil phase is less than 1.0. 9. The method of claim 7 wherein said diluent has a specific gravity less than about 0.97. 10. The method of claim 7 wherein said diluent is selected from the group consisting of: light cycle oil, naphtha, toluene, methyl isobutyl ketone, reformate, a bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase, a hydrotreated bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase, and combinations thereof. 11. The method of claim 7 wherein the ratio by volume of said diluent to said first oil phase is in the range of from about 0.6:1 to about 2.4:1. 12. The method of claim 7 wherein the ratio by volume of said diluent to said first oil phase is in the range of from about 0.6:1 to about 1:1. 13. The method of claim 10 wherein said diluent is a bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase. 14. The method of claim 13 wherein said bio-oil fraction is obtained as a fraction of said first oil phase following step b). 15. The method of claim 10 wherein said diluent is a hydrotreated bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase. 16. The method of claim 15 wherein said hydrotreated bio-oil fraction is obtained as a fraction of said first oil phase following hydrotreatment of said first oil phase. 17. The method of claim 6 wherein said at least one specific gravity modifier comprises a water-soluble compound which is combined with said first aqueous phase, thereby forming said second aqueous phase, and wherein the specific gravity of said second aqueous phase is higher than the specific gravity of said first aqueous phase. 18. The method of claim 17 wherein the specific gravity of said second aqueous phase is greater than about 1.05. 19. The method of claim 17 wherein said water-soluble compound is selected from the group consisting of NaCl, MgCl2, KCl, KBr, Na2SO4, NaHCO3, ammonium bicarbonate, NaOH, KOH, NH4OH, alkyl amines, pyridines, quinolines, H2S, ammonia, ammonium compounds including: nitrates, sulfides, carbonates, hydroxides, acetates, chlorides, bromides, iodides, and sulfates, and combinations thereof. 20. The method of claim 17 wherein said water-soluble compound is added as a solid and dissolved into said first aqueous phase. 21. The method of claim 17 wherein said water-soluble compound is added in the form of a water-soluble compound solution. 22. The method of claim 19 wherein said water-soluble compound is ammonium bicarbonate. 23. The method of claim 19 wherein said water-soluble compound is NaCl. 24. The method of claim 19 wherein said water-soluble compound is MgCl2. 25. The method of claim 17 wherein said water-soluble compound is combined with said first aqueous phase in a quantity sufficient to result in a specific gravity of said second aqueous phase which is greater than about 1.05. 26. The method of claim 6 wherein said at least one specific gravity modifier comprises a water soluble co-solvent which is combined with said first aqueous phase, thereby forming said second aqueous phase, and wherein the specific gravity of said second aqueous phase is higher than the specific gravity of said first aqueous phase. 27. The method of claim 26 wherein said water soluble co-solvent is a glycol. 28. The method of claim 27 wherein said water soluble co-solvent is selected from the group consisting of ethylene glycol, polyethylene glycol, propylene glycol, polypropylene glycol, and combinations thereof. 29. The method of claim 28 wherein the specific gravity of said second aqueous phase is greater than about 1.05. 30. The method of claim 6 wherein said at least one specific gravity modifier added to said first mixture is selected from the group consisting of a light cycle oil, naphtha, toluene, methyl isobutyl ketone, reformate, a bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase, a hydrotreated bio-oil fraction having a specific gravity lower than the specific gravity of said first oil phase, NaCl, MgCl2, KCl, KBr, Na2SO4, NaHCO3, ammonium bicarbonate, NaOH, KOH, NH4OH, alkyl amines, pyridines, quinolines, H2S, ammonia, ammonium compounds including: nitrates, sulfides, carbonates, hydroxides, acetates, chlorides, bromides, iodides, and sulfates, a glycol, and combinations thereof. 31. The method of claim 7 further comprising, prior to step c): b1) allowing said second mixture to settle, thereby forming an upper layer containing said second oil phase and a lower layer containing said second aqueous phase; and, following step c), further comprising:d) passing at least a portion of said second oil phase to a separator for recovery of at least a portion of said diluent, resulting in a recovered diluent; ande) recycling at least a portion of said recovered diluent for use in step b) as at least a portion of said diluent. 32. The method of claim 7 further comprising, prior to step c): b1) allowing said second mixture to settle, thereby forming an upper layer containing said second oil phase and a lower layer containing said second aqueous phase; and, following step c), further comprising:d) passing at least a portion of said second oil phase to a separator for recovery of at least one bio-oil fraction from said second oil phase; ande) utilizing at least one of said bio-oil fractions as at least a portion of said diluent. 33. The method of claim 7 further comprising, prior to step c): b1) allowing said second mixture to settle, thereby forming an upper layer containing said second oil phase and a lower layer containing said second aqueous phase; and, following step c), further comprising:d) passing at least a portion of said second oil phase to a hydrotreater for at least partial hydrotreating, thereby forming a hydrotreated stream;e) passing at least a portion of said hydrotreated stream to a separator for separation into at least one hydrotreated bio-oil fraction; andf) utilizing at least one of said hydrotreated bio-oil fractions as at least a portion of said diluent in step b). 34. The method of claim 1 further comprising, prior to step c: b1) allowing said second mixture to settle, thereby forming an upper layer containing said second oil phase and a lower layer containing said second aqueous phase. 35. The method of claim 34 wherein, following step b1), said second oil phase in said upper layer contains less solids than said first oil phase. 36. The method of claim 34 wherein said first oil phase contains at least about 100 ppmw solids, and following step b1), said second oil phase in said upper layer contains less than about 25 wt % of the solids contained in said first oil phase. 37. The method of claim 36 wherein said second oil phase in said upper layer contains less than about 10 wt % of the solids contained in said first oil phase. 38. The method of claim 36 wherein said second oil phase in said upper layer contains less than about 5 wt % of the solids contained in said first oil phase. 39. The method of claim 34 wherein said first oil phase contains at least about 100 ppmw solids, and following step b1), said second oil phase in said upper layer contains less than about 80 ppmw solids. 40. The method of claim 1 wherein a quantity of a conductivity modifier is also added to said first mixture in step b) thereby forming said second mixture, wherein said quantity of said conductivity modifier is sufficient such that the electrical conductivity of said second mixture is lower than the electrical conductivity of said first mixture. 41. The method of claim 40 wherein said first mixture has a TAN greater than 0, and wherein said conductivity modifier has a TAN lower than the TAN of said first mixture. 42. The method of claim 40 wherein said first mixture has a TAN of at least about 2. 43. The method of claim 40 wherein said first mixture has a TAN of at least about 3. 44. The method of claim 40 wherein said first mixture has a TAN of at least about 10. 45. The method of claim 40 wherein the TAN of said conductivity modifier is at least about 2 units lower than the TAN of said first mixture. 46. The method of claim 40 wherein the electrical conductivity of said second mixture is less than about 75% of the electrical conductivity of said first mixture. 47. The method of claim 40 wherein the electrical conductivity of said second mixture is less than about 50% of the electrical conductivity of said first mixture. 48. The method of claim 40 wherein the electrical conductivity of said second mixture is less than about 25% of the electrical conductivity of said first mixture. 49. The method of claim 40 wherein said conductivity modifier is selected from the group consisting of an aqueous solution, a fraction separated from said biomass-derived, carbon-containing compounds, a fraction separated from said biomass-derived, carbon-containing compounds following hydrotreatment of said biomass-derived, carbon-containing compounds, and combinations thereof. 50. The method of claim 48 wherein said conductivity modifier comprises an aqueous solution having a pH greater than 7. 51. The method of claim 48 wherein said conductivity modifier comprises an aqueous solution having a pH greater than about 9. 52. The method of claim 50 wherein said aqueous solution comprises a base selected from the group consisting of and combinations thereof NaOH, KOH, NH4OH, alkyl amines, pyridines, quinolines, ammonia, ammonium compounds including: nitrates, sulfides, carbonates, hydroxides, acetates, chlorides, bromides, iodides, and sulfates, and combinations thereof. 53. The method of claim 52 wherein said base is selected from the group consisting of ammonium bicarbonate, ammonium hydroxide or combinations thereof. 54. The method of claim 40 wherein either or both of said first oil phase and said second oil phase further comprise metals, and wherein either or both of said first oil phase and said second oil phase is contacted with an acid for removal of at least a portion of said metals from either or both of said first oil phase and said second oil phase. 55. The method of claim 54 wherein said acid interacts with said metals by a process selected from the group consisting of: chemically binding at least a portion of said metals; removing at least a portion of said metals from either or both of said first oil phase and said second oil phase; or combinations thereof. 56. The method of claim 54 wherein said acid is selected from the group consisting of sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, glycolic acid, aminocarboxylic acids, hydroxo-carboxylic acids, dibasic carboxylic acids, monobasic carboxylic acids, carbonic acid, and their salts, and combinations thereof. 57. The method of claim 54 wherein said acid is selected from the group consisting of sulfuric acid, nitric acid, phosphoric acid, glycolic acid, and their salts, and combinations thereof. 58. The method of claim 54 wherein said acid has a pH less than about 5. 59. The method of claim 54 wherein said metals are selected from the group consisting of Al, Ca, Mg, Si, Fe, and combinations thereof. 60. The method of claim 40 wherein at least a portion of said first mixture is in the form of an emulsion comprising a portion of said biomass-derived, carbon-containing compounds and a portion of said water. 61. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 75% of said biomass-derived, carbon-containing compounds contained in said emulsion. 62. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 90% of said biomass-derived, carbon-containing compounds contained in said emulsion. 63. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 95% of said biomass-derived, carbon-containing compounds contained in said emulsion. 64. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 50% of said water contained in said emulsion. 65. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 70% of said water contained in said emulsion. 66. The method of claim 60 wherein said second mixture is subjected to electrostatic dehydration, resulting in at least a partial breaking of said emulsion, and freeing from said emulsion at least 95% of said water contained in said emulsion. 67. The method of claim 61 wherein said electrostatic dehydration is performed in a desalter vessel. 68. The method of claim 61 wherein a demulsifier compound is added to said first mixture, along with said conductivity modifier, thereby forming said second mixture which is then subjected to said electrostatic dehydration. 69. The method of claim 68 wherein said demulsifier is an alkoxylate derived from a poly amine. 70. The method of claim 1 wherein either or both of each of said first oil phase and said second oil phase further comprise metals, and wherein either or both of said first oil phase and said second oil phase is contacted with an acid for removal of at least a portion of said metals from either or both of said first oil phase and said second oil phase. 71. The method of claim 70 wherein said acid interacts with said metals by a process selected from the group consisting of: chemically binding at least a portion of said metals; removing at least a portion of said metals from either or both of said first oil phase and said second oil phase; or combinations thereof. 72. The method of claim 70 wherein said acid is selected from the group consisting of sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, glycolic acid, aminocarboxylic acids, hydroxo-carboxylic acids, dibasic carboxylic acids, monobasic carboxylic acids, carbonic acid, and their salts, and combinations thereof. 73. The method of claim 70 wherein said acid is selected from the group consisting of sulfuric acid, nitric acid, phosphoric acid, glycolic acid, and their salts, and combinations thereof. 74. The method of claim 70 wherein said acid has a pH less than about 5. 75. The method of claim 70 wherein said metals are selected from the group consisting of Al, Ca, Mg, Si, Fe, and combinations thereof. 76. The method of claim 70 wherein a quantity of a conductivity modifier is also added to said first mixture in step b) thereby forming said second mixture, wherein said quantity of said conductivity modifier is sufficient such that the electrical conductivity of said second mixture is lower than the electrical conductivity of said first mixture. 77. The method of claim 76 wherein said first mixture has a TAN greater than 0, and wherein said conductivity modifier has a TAN lower than the TAN of said first mixture. 78. The method of claim 76 wherein said first mixture has a TAN of at least about 2. 79. The method of claim 76 wherein said first mixture has a TAN of at least about 3. 80. The method of claim 76 wherein said first mixture has a TAN of at least about 10. 81. The method of claim 76 wherein the TAN of said conductivity modifier is at least about 2 units lower than the TAN of said first mixture. 82. The method of claim 76 wherein the electrical conductivity of said second mixture is less than about 75% of the electrical conductivity of said first mixture. 83. The method of claim 76 wherein the electrical conductivity of said second mixture is less than about 50% of the electrical conductivity of said first mixture. 84. The method of claim 76 wherein the electrical conductivity of said second mixture is less than about 25% of the electrical conductivity of said first mixture. 85. The method of claim 76 wherein said conductivity modifier is selected from the group consisting of an aqueous solution, a fraction separated from said biomass derived carbon containing compounds, a fraction separated from said biomass-derived, carbon-containing compounds following hydrotreatment of said biomass-derived, carbon-containing compounds, and combinations thereof. 86. The method of claim 76 wherein said conductivity modifier comprises an aqueous solution having a pH greater than 7. 87. The method of claim 86 wherein said conductivity modifier comprises an aqueous solution having a pH greater than about 9. 88. The method of claim 86 wherein said aqueous solution comprises a base selected from the group consisting of and combinations thereof NaOH, KOH, NH4OH, alkyl amines, pyridines, quinolines, ammonia, ammonium compounds including: nitrates, sulfides, carbonates, hydroxides, acetates, chlorides, bromides, iodides, and sulfates, and combinations thereof. 89. The method of claim 88 wherein said base is ammonium bicarbonate. 90. A method comprising: a) providing a first mixture including a first oil phase comprising biomass-derived, carbon-containing compounds and a first aqueous phase comprising water; wherein the ratio of the specific gravities of the first oil phase to the first aqueous phase (SGR1) is greater than 1.0;b) modifying the specific gravity of at least one of said first oil phase and said first aqueous phase, thereby resulting in a second mixture having a second oil phase and a second aqueous phase, wherein the ratio of the specific gravities of said second oil phase to said second aqueous phase (SGR2) is less than 1.0; wherein a specific gravity modifier comprising light cycle oil is combined with said first oil phase of said first mixture, thereby forming said second mixture, wherein the ratio by volume of said light cycle oil to said first oil phase is in the range of from about 0.05:1 to about 1:1; and wherein the specific gravity of said second oil phase is lower than the specific gravity of said first oil phase; andc) separating at least a portion of said second oil phase from said second mixture. 91. The method of claim 90 wherein the ratio by volume of said light cycle oil to said first oil phase is in the range of from about 0.05:1 to about 0.2:1.
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