ES2130332T3 - Procedimiento de preparacion de acido cianhidrico. - Google Patents
Procedimiento de preparacion de acido cianhidrico.Info
- Publication number
- ES2130332T3 ES2130332T3 ES94117415T ES94117415T ES2130332T3 ES 2130332 T3 ES2130332 T3 ES 2130332T3 ES 94117415 T ES94117415 T ES 94117415T ES 94117415 T ES94117415 T ES 94117415T ES 2130332 T3 ES2130332 T3 ES 2130332T3
- Authority
- ES
- Spain
- Prior art keywords
- catalyst
- procedure
- preparation
- modified
- alkaline metal
- Prior art date
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 3
- 239000002253 acid Substances 0.000 title 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 abstract 6
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 abstract 4
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 abstract 4
- 239000003054 catalyst Substances 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 238000006297 dehydration reaction Methods 0.000 abstract 1
- 230000007774 longterm Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C3/00—Cyanogen; Compounds thereof
- C01C3/02—Preparation, separation or purification of hydrogen cyanide
- C01C3/0204—Preparation, separation or purification of hydrogen cyanide from formamide or from ammonium formate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30522393A JPH07157310A (ja) | 1993-12-06 | 1993-12-06 | シアン化水素の製造方法 |
| JP30522293A JP3509819B2 (ja) | 1993-12-06 | 1993-12-06 | シアン化水素の製造法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2130332T3 true ES2130332T3 (es) | 1999-07-01 |
Family
ID=26564216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES94117415T Expired - Lifetime ES2130332T3 (es) | 1993-12-06 | 1994-11-04 | Procedimiento de preparacion de acido cianhidrico. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5439661A (en:Method) |
| EP (1) | EP0657384B1 (en:Method) |
| KR (1) | KR100341873B1 (en:Method) |
| DE (1) | DE69416648T2 (en:Method) |
| ES (1) | ES2130332T3 (en:Method) |
| TW (1) | TW283136B (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5618953A (en) * | 1995-02-10 | 1997-04-08 | Mitsubishi Gas Chemical Co., Inc. | Process for producing 3-methyltetrahydrofuran |
| DE19962418A1 (de) * | 1999-12-22 | 2001-06-28 | Basf Ag | Kontinuierliches Verfahren zur Herstellung von Blausäure durch Thermolyse von Formamid |
| AP2007004167A0 (en) * | 2005-03-11 | 2007-10-31 | Nevada Chemicals Inc | Producing calcium cyanide at a mine site using easily transportable starting materials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1920795A (en) * | 1929-09-16 | 1933-08-01 | Selden Co | Production of hydrocyanic acid |
| US2042451A (en) * | 1933-04-12 | 1936-06-02 | Du Pont | Dehydration of formamide to produce hydrocyanic acid |
| US2086507A (en) * | 1935-07-13 | 1937-07-06 | Du Pont | Preparation of hydrocyanic acid |
| US2534000A (en) * | 1945-10-09 | 1950-12-12 | Du Pont | Process for producing hydrocyanic acid |
-
1994
- 1994-10-27 US US08/330,202 patent/US5439661A/en not_active Expired - Lifetime
- 1994-11-04 ES ES94117415T patent/ES2130332T3/es not_active Expired - Lifetime
- 1994-11-04 EP EP94117415A patent/EP0657384B1/en not_active Expired - Lifetime
- 1994-11-04 DE DE69416648T patent/DE69416648T2/de not_active Expired - Lifetime
- 1994-11-15 TW TW083110562A patent/TW283136B/zh not_active IP Right Cessation
- 1994-12-06 KR KR1019940033231A patent/KR100341873B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100341873B1 (ko) | 2002-11-23 |
| US5439661A (en) | 1995-08-08 |
| EP0657384B1 (en) | 1999-02-24 |
| DE69416648D1 (de) | 1999-04-01 |
| TW283136B (en:Method) | 1996-08-11 |
| KR950016867A (ko) | 1995-07-20 |
| EP0657384A1 (en) | 1995-06-14 |
| DE69416648T2 (de) | 1999-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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