CA1108642A - Procede pour desodoriser les alcools a chaine courte comme l'isopropanol et autres derives oxy des alcools a chaine courte - Google Patents

Procede pour desodoriser les alcools a chaine courte comme l'isopropanol et autres derives oxy des alcools a chaine courte

Info

Publication number: CA1108642A
Authority: CA; Canada
Prior art keywords: stream; tower; isopropyl alcohol; deodorizing; contact mass
Prior art date: 1977-09-19
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA309,212A

Other languages

English (en)

Inventor

Charles Savini

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ExxonMobil Technology and Engineering Co

Original Assignee

Exxon Research and Engineering Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1977-09-19

Filing date

1978-08-11

Publication date

1981-09-08

1978-08-11 Application filed by Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co

1981-09-08 Application granted granted Critical

1981-09-08 Publication of CA1108642A publication Critical patent/CA1108642A/fr

Status Expired legal-status Critical Current

Links

KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 title claims abstract description 197
238000000034 method Methods 0.000 title claims abstract description 66
150000001298 alcohols Chemical class 0.000 title abstract description 14
230000001877 deodorizing effect Effects 0.000 claims abstract description 43
229910052751 metal Inorganic materials 0.000 claims abstract description 39
239000002184 metal Substances 0.000 claims abstract description 39
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 28
150000002739 metals Chemical class 0.000 claims abstract description 26
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 25
229910044991 metal oxide Inorganic materials 0.000 claims abstract description 15
150000004706 metal oxides Chemical class 0.000 claims abstract description 15
229910052759 nickel Inorganic materials 0.000 claims abstract description 11
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
239000002245 particle Substances 0.000 claims abstract description 9
230000000737 periodic effect Effects 0.000 claims abstract description 6
229910052742 iron Inorganic materials 0.000 claims abstract description 5
229910017052 cobalt Inorganic materials 0.000 claims abstract description 4
239000010941 cobalt Substances 0.000 claims abstract description 4
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
239000012535 impurity Substances 0.000 claims description 12
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 7
239000000377 silicon dioxide Substances 0.000 claims description 7
239000000203 mixture Substances 0.000 claims description 6
-1 refractory oxides Substances 0.000 claims description 6
239000010948 rhodium Substances 0.000 claims description 6
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 5
239000010949 copper Substances 0.000 claims description 5
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 5
229910052703 rhodium Inorganic materials 0.000 claims description 5
229910052802 copper Inorganic materials 0.000 claims description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
229910052763 palladium Inorganic materials 0.000 claims description 3
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
229910052799 carbon Inorganic materials 0.000 claims description 2
230000018044 dehydration Effects 0.000 claims description 2
238000006297 dehydration reaction Methods 0.000 claims description 2
229910052741 iridium Inorganic materials 0.000 claims description 2
GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 2
229910052762 osmium Inorganic materials 0.000 claims description 2
SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 2
229910052697 platinum Inorganic materials 0.000 claims description 2
229910052707 ruthenium Inorganic materials 0.000 claims description 2
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
229910052721 tungsten Inorganic materials 0.000 claims description 2
239000010937 tungsten Substances 0.000 claims description 2
239000010457 zeolite Substances 0.000 claims description 2
239000007788 liquid Substances 0.000 claims 5
208000036366 Sensation of pressure Diseases 0.000 claims 1
150000001875 compounds Chemical class 0.000 abstract description 5
150000002170 ethers Chemical class 0.000 abstract description 4
235000019645 odor Nutrition 0.000 description 51
239000000047 product Substances 0.000 description 23
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 18
239000003054 catalyst Substances 0.000 description 15
239000002537 cosmetic Substances 0.000 description 9
238000004821 distillation Methods 0.000 description 9
238000005984 hydrogenation reaction Methods 0.000 description 8
238000004519 manufacturing process Methods 0.000 description 8
239000000463 material Substances 0.000 description 8
229910052717 sulfur Inorganic materials 0.000 description 7
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
239000011593 sulfur Substances 0.000 description 6
238000011282 treatment Methods 0.000 description 6
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical class CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
238000000895 extractive distillation Methods 0.000 description 5
239000011148 porous material Substances 0.000 description 5
230000001186 cumulative effect Effects 0.000 description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
230000008030 elimination Effects 0.000 description 3
238000003379 elimination reaction Methods 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
238000000746 purification Methods 0.000 description 3
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
101100168115 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) con-6 gene Proteins 0.000 description 2
239000007868 Raney catalyst Substances 0.000 description 2
229910000564 Raney nickel Inorganic materials 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000000645 desinfectant Substances 0.000 description 2
150000002148 esters Chemical class 0.000 description 2
238000011156 evaluation Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
238000010348 incorporation Methods 0.000 description 2
150000002576 ketones Chemical class 0.000 description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
229910052753 mercury Inorganic materials 0.000 description 2
229910052573 porcelain Inorganic materials 0.000 description 2
238000012545 processing Methods 0.000 description 2
239000002699 waste material Substances 0.000 description 2
WDEVXRIFJZNMKM-UHFFFAOYSA-N 2-(propan-2-yloxymethoxy)propane Chemical compound CC(C)OCOC(C)C WDEVXRIFJZNMKM-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
229910021591 Copper(I) chloride Inorganic materials 0.000 description 1
ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
241001296096 Probles Species 0.000 description 1
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
230000004075 alteration Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000006227 byproduct Substances 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
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
238000000975 co-precipitation Methods 0.000 description 1
239000003086 colorant Substances 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 1
229940045803 cuprous chloride Drugs 0.000 description 1
238000004332 deodorization Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000010494 dissociation reaction Methods 0.000 description 1
230000005593 dissociations Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000005350 fused silica glass Substances 0.000 description 1
239000000499 gel Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
238000007037 hydroformylation reaction Methods 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
239000003456 ion exchange resin Substances 0.000 description 1
229920003303 ion-exchange polymer Polymers 0.000 description 1
231100000053 low toxicity Toxicity 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
229910052750 molybdenum Inorganic materials 0.000 description 1
239000011733 molybdenum Substances 0.000 description 1
150000005673 monoalkenes Chemical class 0.000 description 1
229910052758 niobium Inorganic materials 0.000 description 1
239000010955 niobium Substances 0.000 description 1
GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000011175 product filtration Methods 0.000 description 1
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
BALXUFOVQVENIU-KXNXZCPBSA-N pseudoephedrine hydrochloride Chemical compound [H+].[Cl-].CN[C@@H](C)[C@@H](O)C1=CC=CC=C1 BALXUFOVQVENIU-KXNXZCPBSA-N 0.000 description 1
238000002407 reforming Methods 0.000 description 1
239000004576 sand Substances 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000004332 silver Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
238000001179 sorption measurement Methods 0.000 description 1
239000007921 spray Substances 0.000 description 1
230000000087 stabilizing effect Effects 0.000 description 1
239000010959 steel Substances 0.000 description 1
150000003464 sulfur compounds Chemical class 0.000 description 1
238000003786 synthesis reaction Methods 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
210000002268 wool Anatomy 0.000 description 1
229910052725 zinc Inorganic materials 0.000 description 1
239000011701 zinc Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
- C07C29/84—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by extractive distillation
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)

CA309,212A 1977-09-19 1978-08-11 Procede pour desodoriser les alcools a chaine courte comme l'isopropanol et autres derives oxy des alcools a chaine courte Expired CA1108642A (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date
US83424077A	1977-09-19	1977-09-19
US834,240		1977-09-19
US90891078A	1978-05-24	1978-05-24
US908,910		1978-05-24

Publications (1)

Publication Number	Publication Date
CA1108642A true CA1108642A (fr)	1981-09-08

Family

ID=27125696

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA309,212A Expired CA1108642A (fr)	1977-09-19	1978-08-11	Procede pour desodoriser les alcools a chaine courte comme l'isopropanol et autres derives oxy des alcools a chaine courte

Country Status (7)

Country	Link
JP (1)	JPS5459207A (fr)
CA (1)	CA1108642A (fr)
DE (1)	DE2840118A1 (fr)
FR (1)	FR2403323A1 (fr)
GB (1)	GB2004538B (fr)
IT (1)	IT1106918B (fr)
NL (1)	NL7809391A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3608210A1 (de) *	1986-03-12	1987-09-17	Texaco Ag	Verfahren zum deodorieren von isopropylalkohol
DE4132993A1 (de) *	1991-10-04	1993-04-08	Rwe Dea Ag	Verfahren zur herstellung von dimethylether

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1813664A (en) *	1930-02-15	1931-07-07	Squibb & Sons Inc	Treatment and packaging of ether
US1935658A (en) *	1932-07-22	1933-11-21	Squibb & Sons Inc	Method for purifying ether
FR970684A (fr) *	1947-08-25	1951-01-08	Distillers Co Yeast Ltd	Procédé pour la purification des alcools
US2585816A (en) *	1950-06-01	1952-02-12	Standard Oil Dev Co	Metal treatment of oxo alcohols
US2857436A (en) *	1953-07-30	1958-10-21	Shell Dev	Alcohol deodorization by contact with siliceous material and iron
US3624165A (en) *	1969-04-25	1971-11-30	Monsanto Co	Purification process
JPS5246215B2 (fr) *	1973-05-17	1977-11-22
JPS511684A (ja) *	1974-06-27	1976-01-08	Nanjo Tekko Kk	Shokunikusuraisaanifusetsusuru suraisuhenno uketorisochi

1978
- 1978-08-11 CA CA309,212A patent/CA1108642A/fr not_active Expired
- 1978-08-15 GB GB7833386A patent/GB2004538B/en not_active Expired
- 1978-09-14 NL NL7809391A patent/NL7809391A/xx not_active Application Discontinuation
- 1978-09-15 DE DE19782840118 patent/DE2840118A1/de active Granted
- 1978-09-15 IT IT51114/78A patent/IT1106918B/it active
- 1978-09-18 FR FR7826739A patent/FR2403323A1/fr active Granted
- 1978-09-19 JP JP11504778A patent/JPS5459207A/ja active Granted

Also Published As

Publication number	Publication date
IT1106918B (it)	1985-11-18
FR2403323B1 (fr)	1985-05-24
IT7851114A0 (it)	1978-09-15
JPS5459207A (en)	1979-05-12
NL7809391A (nl)	1979-03-21
GB2004538A (en)	1979-04-04
FR2403323A1 (fr)	1979-04-13
DE2840118A1 (de)	1979-03-29
DE2840118C2 (fr)	1989-02-09
JPS647053B2 (fr)	1989-02-07
GB2004538B (en)	1982-04-15

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EP1109767B1 (fr)	2003-03-26	Procede de production de 1,3-propanediol par hydrogenation catalytique de 3-hydroxypropanal en deux etapes
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US4704482A (en)	1987-11-03	Catalytic purification of tertiary butyl alcohol
EP0992475B1 (fr)	2003-03-26	Procédé de préparation d'alcools par hydrogénation catalytique des aldéhydes ou cétones
WO1995032939A1 (fr)	1995-12-07	Procede d'elimination de l'iode dans des produits carboxyliques
US4219685A (en)	1980-08-26	Improving odor of isopropanol
US4366332A (en)	1982-12-28	Catalytic hydrogenolysis of alditols to product glycerol and polyols
US4742179A (en)	1988-05-03	Catalytic removal of peroxide contaminants from tertiary butyl alcohol
CA1108642A (fr)	1981-09-08	Procede pour desodoriser les alcools a chaine courte comme l'isopropanol et autres derives oxy des alcools a chaine courte
US5990323A (en)	1999-11-23	Preparation of amines
US5502249A (en)	1996-03-26	Process for the removal of iodine from acetyl compounds
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JP2989704B2 (ja)	1999-12-13	脱硫された油脂又は脂肪酸エステルの製造方法
US4792420A (en)	1988-12-20	Purification of carboxylic acid anhydrides
CA2377106A1 (fr)	2001-01-04	Procede de preparation de mannite
JPH036130B2 (fr)	1991-01-29
WO2024086005A1 (fr)	2024-04-25	Procédé de 1,3-butylène glycol amélioré
US4709106A (en)	1987-11-24	Process for deodorizing isopropyl alcohol
MXPA01002233A (en)	2001-12-04	Two-stage process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal

Legal Events

Date	Code	Title	Description
1998-09-08	MKEX	Expiry