Processes for converting glycerol to glycerol ethers
First Claim
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1. A process for converting glycerol to alkyl glycerol ethers comprising:
- a) providing glycerol, alkyl alcohol and an etherification catalyst;
b) providing an etherification reactor;
c) adding the glycerol, alkyl alcohol and etherification catalyst to the etherification reactor; and
d) reacting the glycerol, alkyl alcohol and etherification catalyst in the etherification reactor to obtain a reaction product comprising alkyl glycerol ethers.
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Abstract
Processes for converting glycerol to alkyl glycerol ethers that involve providing glycerol, alkyl alcohol and an etherification catalyst, providing an etherification reactor and, adding the glycerol, alkyl alcohol and etherification catalyst to the etherification reactor and reacting the glycerol, alkyl alcohol and etherification catalyst in the etherification reactor to obtain a reaction product comprising alkyl glycerol ethers.
75 Citations
20 Claims
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1. A process for converting glycerol to alkyl glycerol ethers comprising:
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a) providing glycerol, alkyl alcohol and an etherification catalyst; b) providing an etherification reactor; c) adding the glycerol, alkyl alcohol and etherification catalyst to the etherification reactor; and d) reacting the glycerol, alkyl alcohol and etherification catalyst in the etherification reactor to obtain a reaction product comprising alkyl glycerol ethers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A process for converting glycerol to alkyl glycerol ethers comprising:
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a) providing crude glycerol, alkyl alcohol and an etherification catalyst; b) providing an inert gas; c) providing an etherification reactor; d) providing a vaporizer; e) adding the crude glycerol and the inert gas to the vaporizer to obtain a glycerol vapor; f) transferring the glycerol vapor and inert gas to the etherification reactor; and g) adding the alkyl alcohol and etherification catalyst to the glycerol vapor in the etherification reactor in the presence of the inert gas; and h) reacting the glycerol vapor, alkyl alcohol and etherification catalyst in the etherification reactor to obtain a vapor reaction product comprising glycerol alkyl ethers. - View Dependent Claims (16, 17, 18, 19)
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20. A process for converting glycerol to alkyl glycerol ethers comprising:
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a) providing crude glycerol, alkyl alcohol and an etherification catalyst; b) providing an etherification reactor; c) treating the crude glycerol to obtain a treated glycerol; d) adding the treated glycerol, alkyl alcohol and etherification catalyst to the etherification reactor; e) reacting the treated glycerol, alkyl alcohol and etherification catalyst in the etherification reactor to obtain a reaction product comprising at least one of mono-alkyl glycerol ethers, di-alkyl glycerol ethers, unreacted alkyl alcohol, unreacted glycerol, diglycerols, di-alkyl ethers, alkenes, water etherification catalyst and combinations thereof; f) separating mono-alkyl glycerol ether from the di-alkyl glycerol ether, unreacted alkyl alcohol, unreacted glycerol, diglycerols, di-alkyl ethers, alkenes, water, and etherification catalyst; and
collecting the mono-alkyl glycerol ether.
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Specification