RU99118500A - CATALYTIC CONVERTER AND METHOD FOR CONDUCTING STRONGLY EXOTHERMIC REACTIONS - Google Patents
CATALYTIC CONVERTER AND METHOD FOR CONDUCTING STRONGLY EXOTHERMIC REACTIONSInfo
- Publication number
- RU99118500A RU99118500A RU99118500/12A RU99118500A RU99118500A RU 99118500 A RU99118500 A RU 99118500A RU 99118500/12 A RU99118500/12 A RU 99118500/12A RU 99118500 A RU99118500 A RU 99118500A RU 99118500 A RU99118500 A RU 99118500A
- Authority
- RU
- Russia
- Prior art keywords
- reaction
- reaction system
- hydroperoxide
- heat
- olefin
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title claims 25
- 230000003197 catalytic Effects 0.000 title claims 3
- 150000001336 alkenes Chemical class 0.000 claims 6
- 239000003054 catalyst Substances 0.000 claims 5
- 239000011541 reaction mixture Substances 0.000 claims 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims 4
- 238000006735 epoxidation reaction Methods 0.000 claims 3
- 238000001704 evaporation Methods 0.000 claims 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 3
- 239000007787 solid Substances 0.000 claims 3
- 239000004215 Carbon black (E152) Substances 0.000 claims 2
- -1 hydrocarbon hydroperoxide Chemical class 0.000 claims 2
- 239000007791 liquid phase Substances 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- HDHOHQHZKXFKOS-UHFFFAOYSA-M ethyl benzene hydroperoxide Chemical compound [O-]O.CCC1=CC=CC=C1 HDHOHQHZKXFKOS-UHFFFAOYSA-M 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000011949 solid catalyst Substances 0.000 claims 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
Claims (7)
(1) используют реакционную систему, содержащую несколько отдельных реакционных зон,
(2) в реакционную систему подают холодные олефин и гидропероксид и используют 25-75% тепла экзотермической реакции, выделяющегося в реакционной системе, для предварительного подогрева холодного сырья путем прямого контактирования с возвратным потоком из реакционной системы, и
(3) 25-75% тепла экзотермической реакции, выделяющегося в реакционной системе, отводят в виде физического тепла за счет повышения температуры реакционной смеси при прохождении через реакторную систему на 20-100oF (11-55oC) и в виде теплоты испарения вследствие испарения в реакционной системе 15-40% (мас.) реакционной смеси.1. In the method of carrying out a catalytic liquid-phase exothermic reaction of a C 3 -C 5 olefin with an alkylaromatic hydrocarbon hydroperoxide, including passing a mixture containing olefin and hydroperoxide, under reaction conditions — elevated temperature and pressure — through a series of separate reaction zones, each of which contains a fixed bed solid epoxidation catalyst - an improvement whereby
(1) use a reaction system containing several separate reaction zones,
(2) cold olefin and hydroperoxide are fed into the reaction system and 25–75% of the heat of the exothermic reaction released in the reaction system is used to preheat the cold raw material by direct contact with the return flow from the reaction system, and
(3) 25-75% of the heat of the exothermic reaction released in the reaction system is removed as physical heat by increasing the temperature of the reaction mixture as it passes through the reactor system by 20-100 o F (11-55 o C) and as heat of evaporation due to evaporation in the reaction system 15-40% (wt.) the reaction mixture.
(1) использована реакционная система, содержащая несколько отдельных реакционных зон,
(2) предусмотрено средство для предварительного подогрева холодных сырьевых олефина и гидропероксида 25-75% тепла экзотермической реакции, выделяющегося в реакционной системе, путем прямого контактирования с возвратным потоком из реакционной системы, и
(3) предусмотрены средства для расходования 25-75% тепла экзотермической реакции на повышение температуры реакционной смеси во время прохождения через реакционную систему на 20-100oF (11-55oC) и путем испарения 15-40% реакционной смеси из реакционной системы.6. The reaction system for carrying out a catalytic liquid-phase exothermic reaction of a C 3 -C 5 olefin with an alkylaromatic hydrocarbon hydroperoxide, including passing a mixture containing olefin and hydroperoxide, under reaction conditions — elevated temperature and pressure — through a series of separate reaction zones, each of which contains a stationary a layer of solid epoxidation catalyst, improved by the fact that
(1) used a reaction system containing several separate reaction zones,
(2) a means is provided for preheating cold feedstock olefins and hydroperoxide 25-75% of the heat of the exothermic reaction generated in the reaction system by direct contact with the return flow from the reaction system, and
(3) means are provided for spending 25-75% of the heat of an exothermic reaction to increasing the temperature of the reaction mixture while passing through the reaction system at 20-100 o F (11-55 o C) and by evaporating 15-40% of the reaction mixture from the reaction system .
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/791,796 | 1997-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU99118500A true RU99118500A (en) | 2001-09-27 |
Family
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