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US 9,809,519 B1Granted
Oxygenate synthesis and homologation
AssigneeExxonMobil Chemical Patents Inc.
InventorsMonica D. Lotz, Paul F. Keusenkothen, Michael Salciccioli
Life of this patent
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Abstract
The invention relates to processes for oxygenate synthesis and homologation, to equipment and materials useful in such processes, and to the use of such oxygenate for producing olefin and polyolefin.
Claims29
A process for producing oxygenate, the process, comprising:
- (a) providing a feed mixture comprising molecular hydrogen and ≧5 wt. % of carbon monoxide;
- (b) providing a process fluid comprising at least one active material, the active material comprising at least one metal-containing compound which includes at least one of Co, Rh, Pd, Pt, Ni, Os, Ir, Cr, Mn, Fe, Re, and Ru;
- and wherein the process liquid further comprises:
- (b1) at least one anionic compound comprising phosphorus and/or nitrogen and
- (b2) at least one anionic compound comprising halogen
- (c) producing a reaction mixture by reacting at least a portion of the feed mixture's CO and at least a portion of the feed mixture's molecular hydrogen in the presence of the process fluid under oxygenate formation conditions, wherein
- (i) the reaction mixture comprises oxygenate produced by the reaction and at least a portion of any un-reacted feed mixture, and
- (ii) the oxygenate comprises C2+ glycol, ethanol, and C3+ monohydric alcohol;
- (d) separating from the reaction mixture (i) at least a portion of the ethanol, (ii) at least a portion of the C3+ monohydric alcohol, and (iii) at least a portion of the C2+ glycol;
- (e) recycling to the reaction at least a liquid-phase portion of the separated ethanol;
- and
- (f) conducting away at least a portion of the separated C3+ monohydric alcohol and at least a portion of the separated C2+ glycol.
9 more elements
An oxygenate homologation process, the process, comprising:
- (a) providing a primarily vapor-phase feed mixture comprising molecular hydrogen, ≧5 wt. % of carbon monoxide;
- (b) providing a process fluid comprising (i) methanol and primarily liquid-phase C2+ organic oxygenate and (ii) at least one active material, the active material comprising at least one metal-containing compound which includes at least one of Co, Rh, Pd, Pt, Ni, Os, Ir, Cr, Mn, Fe, Re, and Ru;
- and wherein the process liquid further comprises:
- (b1) at least one anionic compound comprising phosphorus and/or nitrogen and
- (b2) at least one anionic compound comprising halogen
- (c) reacting at least a portion of the feed mixture's CO and at least a portion of the feed mixture's molecular hydrogen in the presence of the process fluid under homologation conditions, wherein the reaction mixture comprises:
- (i) homologated organic oxygenate produced by one or more homologations of at least a portion of the process fluid's organic oxygenate, the homologated organic oxygenate comprising ethanol, C3+ monohydric alcohol, and C2+ glycol, and
- (ii) at least a portion of any un-reacted feed mixture;
- (d) separating from the reaction mixture (i) at least a portion of the ethanol, wherein the organic oxygenate of step (b) includes at least a portion of the separated ethanol in the liquid phase, (ii) at least a portion of the C3+ monohydric alcohol, and (iii) at least a portion of the C2+ glycol;
- and
- (e) conducting away at least a portion of the separated C3+ monohydric alcohol and at least a portion of the separated C2+ glycol.
8 more elements
An oxygenate production process comprising:
- (a) providing a feed mixture comprising molecular hydrogen, ≧5 wt. % of carbon monoxide;
- (b) providing a process fluid comprising organic oxygenate and (ii) at least one active material;
- the active material comprising at least one metal-containing compound which includes at least one of Co, Rh, Pd, Pt, Ni, Os, Ir, Cr, Mn, Fe, Re, and Ru;
- and wherein the process liquid further comprises:
- (b1) at least one anionic compound comprising phosphorus and/or nitrogen and
- (b2) at least one anionic compound comprising halogen
- (c) reacting at least a portion of the feed mixture's CO and at least a portion of the feed mixture's molecular hydrogen in the presence of the process fluid under oxygenate formation conditions to produce ethanol, C3+ monohydric alcohol, and non-alcohol C2+ oxygenate;
- (d) recycling to the reaction of step (c) at least a portion of the non-alcohol C2+ oxygenate;
- and
- (e) conducting away at least a portion of the C3+ monohydric alcohol.
7 more elements
An oxygenate production process, comprising:
- (a) providing a feed mixture comprising molecular hydrogen, ≧5 wt. % of carbon monoxide;
- (b) providing a process fluid comprising at least one active material, the active material comprising at least one metal-containing compound which includes at least one of Co, Rh, Pd, Pt, Ni, Os, Ir, Cr, Mn, Fe, Re, and Ru;
- and wherein the process liquid further comprises:
- (b1) at least one anionic compound comprising phosphorus and/or nitrogen and
- (b2) at least one anionic compound comprising halogen
- (c) producing an oxygenate mixture by reacting at least a portion of the feed mixture's CO and at least a portion of the feed mixture's molecular hydrogen in the presence of the process fluid under oxygenate formation conditions, wherein the oxygenate mixture comprises C2 oxygenate and C3+ oxygenate;
- (d) removing an extract from the oxygenate mixture to produce a raffinate, wherein the extract comprises ≧10 wt. % of the oxygenate mixture's C2 oxygenate;
- (e) introducing a liquid-phase portion of the extract into the reaction;
- and
- (f) removing at least a portion of the C3+ oxygenate produced in step (c) from the oxygenate mixture and/or the raffinate.
7 more elements
Dependencies are inferred from the claim text.