IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0584219
(2012-08-13)
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등록번호 |
US-8729290
(2014-05-20)
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발명자
/ 주소 |
- Hassan, Abbas
- Bagherzadeh, Ebrahim
- Anthony, Rayford
- Borsinger, Gregory
- Hassan, Aziz
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
15 |
초록
▼
Method of producing glycerol that includes mixing a peroxide stream with an olefenic alcohol stream to form a feed stream; processing the feed stream in a high shear device to produce a high shear dispersion of peroxide and olefinic alcohol, wherein the high shear device is configured with a rotor a
Method of producing glycerol that includes mixing a peroxide stream with an olefenic alcohol stream to form a feed stream; processing the feed stream in a high shear device to produce a high shear dispersion of peroxide and olefinic alcohol, wherein the high shear device is configured with a rotor and a stator separated by a shear gap; and contacting the high shear dispersion with a catalyst in a reactor to produce glycerol.
대표청구항
▼
1. A method of producing glycerol comprising: mixing a peroxide stream with an olefinic alcohol stream to form a feed stream;processing the feed stream in a high shear device to produce a dispersion of peroxide and olefinic alcohol, wherein the dispersion comprises bubbles with an average bubble dia
1. A method of producing glycerol comprising: mixing a peroxide stream with an olefinic alcohol stream to form a feed stream;processing the feed stream in a high shear device to produce a dispersion of peroxide and olefinic alcohol, wherein the dispersion comprises bubbles with an average bubble diameter of less than about 5 microns, and wherein the high shear device is configured with a rotor and a stator separated by a shear gap; andcontacting the dispersion with a catalyst in a reactor to produce glycerol, wherein the reactor operates at a bulk reaction pressure of about 10 to about 60 atm. 2. A method of producing glycerol comprising: mixing a peroxide stream with an olefinic alcohol stream to form a feed stream;processing the feed stream in a high shear device to produce a dispersion of peroxide and olefinic alcohol, wherein the high shear device is configured with a rotor and a stator separated by a shear gap, wherein the high shear device operates at a tip speed of at least about 23 m/sec, and subjects the feed stream to a shear rate of greater than about 20,000 s−1; andcontacting the dispersion with a catalyst in a reactor to produce glycerol, wherein the reactor operates at a bulk reaction pressure of about 10 to about 60 atm. 3. A method of producing glycerol comprising: mixing a peroxide stream with an olefinic alcohol stream to form a feed stream;processing the feed stream in a high shear device to produce a dispersion of peroxide and olefinic alcohol, wherein the high shear device is configured with a rotor and a stator separated by a shear gap, wherein forming the dispersion comprises operating the high shear device at an energy expenditure of at least about 1000 W/m3, and wherein the shear gap is in the range of from about 0.02 mm to about 5 mm; andcontacting the dispersion with a catalyst in a reactor to produce glycerol, wherein the reactor operates at a bulk reaction pressure of about 10 to about 60 atm. 4. The method of claim 3, further comprising introducing the dispersion to a fixed bed containing additional catalyst. 5. A method of producing glycerol comprising: mixing a peroxide stream with an olefenic alcohol stream to form a reactant stream;processing the reactant stream in a high shear device to produce a dispersion comprising peroxide and olefinic alcohol, wherein the high shear device is configured with a rotor and a stator separated by a shear gap; andcontacting the high shear dispersion with a catalyst in a reactor to produce glycerol, wherein the reactor operates at a bulk reaction pressure of about 10 to about 60 atm, and a bulk reaction temperature of about 20° C. to about 80° C. 6. The method of claim 5, wherein the dispersion comprises bubbles having an average bubble size less than about 1.5 μm. 7. The method of claim 5, wherein the dispersion comprises bubbles with an average diameter of less than about 5 microns. 8. The method of claim 7, wherein the peroxide stream comprises hydrogen peroxide, ethylbenzyl hydroperoxide, t-butyl hydroperoxide, t-amyl hydroperoxide, cumene hydroperoxide, 2-methyl-2-hydroperoxy-methyl proprionate, 2-methyl-2-hydroperoxy propanoic acid, pyrrolehydroperoxide, furan hydroperoxide, 2-butylhydroperoxide, cyclohexyl hydroperoxide, and 1-phenyl-ethylhydroperoxide, or combination thereof. 9. The method of claim 8, wherein the olefenic alcohol stream comprises allyl alcohol, methallyl alcohol, cinnamyl alcohol, methyl vinyl carbinol, dimethyl allyl alcohol, oleyl alcohol, methyl vinyl carbinol, crotyl alcohol, methyallyl alcohol, cyclohexenol, or combinations thereof. 10. The method of claim 5, wherein the high shear device operates at a tip speed of at least about 23 m/sec, and subjects the feed stream to a shear rate of greater than about 20,000 s−1. 11. The method of claim 10, wherein forming said dispersion comprises operating the high shear device at an energy expenditure of at least about 1000 W/m3, and wherein the shear gap is in the range of from about 0.02 mm to about 5 mm. 12. The method of claim 5, wherein the catalyst comprises a metal oxide, a tungstic catalyst, an osmium catalyst, formic acid, sulfonic acid, sulfuric acid, or combinations thereof. 13. The method of claim 5, wherein the shear gap is in the range of from about 0.02 mm to about 5 mm, and wherein the high shear device produces a tip speed of the rotor of greater than about 23 m/s (4,500 ft/min).
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