SU262894A1 - METHOD OF OBTAINING ACETIC ALDEHYDE ,. .-., •, -. ,; -. • pv - V "r •> & '1,, Л ~ II:!'" ".; -; i., 'V'j; i ./., Л1.Б! -1БЛ: -YUTEKA - Google Patents
METHOD OF OBTAINING ACETIC ALDEHYDE ,. .-., •, -. ,; -. • pv - V "r •> & '1,, Л ~ II:!'" ".; -; i., 'V'j; i ./., Л1.Б! -1БЛ: -YUTEKAInfo
- Publication number
- SU262894A1 SU262894A1 SU1262658A SU1262658A SU262894A1 SU 262894 A1 SU262894 A1 SU 262894A1 SU 1262658 A SU1262658 A SU 1262658A SU 1262658 A SU1262658 A SU 1262658A SU 262894 A1 SU262894 A1 SU 262894A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- yuteka
- catalyst
- acetic aldehyde
- obtaining acetic
- acetylene
- Prior art date
Links
- 238000000034 method Methods 0.000 title description 12
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 title description 8
- 239000003054 catalyst Substances 0.000 description 9
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 5
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- -1 acetal aldehyde Chemical class 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 150000000476 acetylides Chemical class 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Description
Изобретение относитс к способу получени уксусного альдегида, который может найти применение е качестве промежуточного продукта в промышленности органического синтеза .The invention relates to a process for the production of acetaldehyde, which can be used as an intermediate product in the organic synthesis industry.
Известен способ получени уксусного альдегида жидкофазной гидратацией ацетилена в присутствии катализатора, содержащего медь, сернокислую соль меди, железо и серную кислоту и в присутствии кислорода .A known method of producing acetaldehyde is by liquid phase hydration of acetylene in the presence of a catalyst containing copper, copper sulphate, iron, and sulfuric acid and in the presence of oxygen.
Однако при проведении процесса с таким катализатором в присутствии кислорода отмечено образование взрывоопасных ацетиленидов , избирательность и стабильность катализатора невысока .However, when carrying out a process with such a catalyst in the presence of oxygen, the formation of explosive acetylides is noted, the selectivity and stability of the catalyst is low.
С целью улучшени условий работы, а также увеличени селективности процесса и повышени срока службы катализатора предложен способ, по которому уксусный альдегид получают Жидкофазной гидратацией ацетилена в присутствии катализатора, содержащего дополнительно сернокислую соль кадми , с последующим выделением целевого продукта известными приемами. Желательно процесс вести в присутствии катализатора состава (в %):In order to improve the working conditions, as well as increase the selectivity of the process and increase the service life of the catalyst, a method has been proposed by which acetal aldehyde is obtained by liquid phase hydration of acetylene in the presence of a catalyst that additionally contains cadmium sulphate, followed by isolation of the target product by known techniques. It is desirable to conduct the process in the presence of a catalyst composition (in%):
CdSO40,3CdSO40,3
CuSO40,33CuSO40.33
H9S0440H9S0440
Си0,1C0,1
Пример. Гидратацию ацетилена провод т в колонном реакторе при температуре 110°С. В процессе опыта непрерывно контролируют общую скорость превращени ацетилена и скорость образовани ацетальдегида .Example. The acetylene is hydrated in a column reactor at a temperature of 110 ° C. During the test, the total acetylene conversion rate and acetaldehyde formation rate are continuously monitored.
Химический состав катализатора и его активность приведены в таблице. 3-4The chemical composition of the catalyst and its activity are shown in the table. 3-4
Предмет изобретени держащий дополнительно сернокислую сольThe subject matter of the invention is additionally sulphate salt.
I. Способ получени уксусного альдегида2. Способ по п.1, отличающийс тем, чтоI. A method of producing acetaldehyde 2. A method according to claim 1, characterized in that
путем жидкофазной гидратации ацетилена впроцесс провод тв присутствии катализатоприсутствии катализатора, содержащего сер-5 ра, содержащего(в %):by the liquid-phase hydration of acetylene during the process of conducting the wire by the presence of a catalyst and a catalyst containing sulfur-5 pa containing (in%):
нокислую соль меди, медь и серную кисло-CdSO 0,3butyric salt of copper, copper and sulfuric acid-CdSO 0.3
ту, отличающийс тем, что, с целью улучше-CuSO4 0,33one characterized in that, for the purpose of improved CuSO4 0.33
ни условий работы и увеличени селектив-H2SO4 40Neither working conditions and selectivity-H2SO4 40 increase
ности процесса, используют катал-изатор, со-Си 0,1process, use catal-isator, co-C 0.1
кадми .cadmium.
Publications (1)
| Publication Number | Publication Date |
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| SU262894A1 true SU262894A1 (en) |
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