IT1248656B - Processo per la produzione del precursore di un catalizzatore precipitato per la sintesi dell`ammoniaca. - Google Patents
Processo per la produzione del precursore di un catalizzatore precipitato per la sintesi dell`ammoniaca.Info
- Publication number
- IT1248656B IT1248656B IT02045590A IT2045590A IT1248656B IT 1248656 B IT1248656 B IT 1248656B IT 02045590 A IT02045590 A IT 02045590A IT 2045590 A IT2045590 A IT 2045590A IT 1248656 B IT1248656 B IT 1248656B
- Authority
- IT
- Italy
- Prior art keywords
- iron
- precursor
- precipitated catalyst
- water
- ammonia
- Prior art date
Links
Classifications
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/78—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with alkali- or alkaline earth metals
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/34—Mechanical properties
- B01J35/36—Mechanical strength
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/612—Surface area less than 10 m2/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
-
- 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
- B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
- B01J2235/30—Scanning electron microscopy; Transmission electron microscopy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT02045590A IT1248656B (it) | 1990-05-29 | 1990-05-29 | Processo per la produzione del precursore di un catalizzatore precipitato per la sintesi dell`ammoniaca. |
| EP91108740A EP0459424B1 (en) | 1990-05-29 | 1991-05-28 | Process for producing the precursor of a precipitated catalyst for the ammonia synthesis |
| DE69107896T DE69107896T2 (de) | 1990-05-29 | 1991-05-28 | Verfahren zur Herstellung eines Fällungskatalysatorvorläufers für die Ammoniaksynthese. |
| ES91108740T ES2069769T3 (es) | 1990-05-29 | 1991-05-28 | Procedimiento para obtener el precursor de un catalizador precipitado para la sintesis del amoniaco. |
| AT91108740T ATE119430T1 (de) | 1990-05-29 | 1991-05-28 | Verfahren zur herstellung eines fällungskatalysatorvorläufers für die ammoniaksynthese. |
| DK91108740.1T DK0459424T3 (da) | 1990-05-29 | 1991-05-28 | "Fremgangsmåde til fremstilling af forstadiet til en præcipiteret katalysator til ammoniaksyntese" |
| JP3125992A JPH0615176A (ja) | 1990-05-29 | 1991-05-29 | アンモニア合成用の沈澱触媒の前駆体の製造法 |
| US07/707,049 US5221657A (en) | 1990-05-29 | 1991-05-29 | Process for producing the precursor of a precipitated catalyst for the ammonia synthesis |
| GR950400654T GR3015521T3 (en) | 1990-05-29 | 1995-03-22 | Process for producing the precursor of a precipitated catalyst for the ammonia synthesis. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT02045590A IT1248656B (it) | 1990-05-29 | 1990-05-29 | Processo per la produzione del precursore di un catalizzatore precipitato per la sintesi dell`ammoniaca. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IT9020455A0 IT9020455A0 (enExample) | 1990-05-29 |
| IT9020455A1 IT9020455A1 (it) | 1991-11-29 |
| IT1248656B true IT1248656B (it) | 1995-01-26 |
Family
ID=11167209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT02045590A IT1248656B (it) | 1990-05-29 | 1990-05-29 | Processo per la produzione del precursore di un catalizzatore precipitato per la sintesi dell`ammoniaca. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5221657A (enExample) |
| EP (1) | EP0459424B1 (enExample) |
| JP (1) | JPH0615176A (enExample) |
| AT (1) | ATE119430T1 (enExample) |
| DE (1) | DE69107896T2 (enExample) |
| DK (1) | DK0459424T3 (enExample) |
| ES (1) | ES2069769T3 (enExample) |
| GR (1) | GR3015521T3 (enExample) |
| IT (1) | IT1248656B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU6792894A (en) * | 1994-05-26 | 1995-12-21 | Zhejiang University Of Technology | Fe1-xo-based catalyst for ammonia synthesis |
| CN1099908C (zh) * | 1994-12-14 | 2003-01-29 | 国际壳牌研究有限公司 | 脱氢催化剂和脱氢方法 |
| NO306541B1 (no) * | 1998-03-13 | 1999-11-22 | Norsk Hydro As | Katalysator |
| RU2142340C1 (ru) * | 1999-01-05 | 1999-12-10 | ОАО "Аромасинтез" | Способ получения катализатора для синтеза аммиака |
| EP1304164A1 (en) * | 2001-10-15 | 2003-04-23 | Haldor Topsoe A/S | Process for the production of mixed metal oxide containing catalysts |
| RU2203733C1 (ru) * | 2002-03-05 | 2003-05-10 | Меньшов Владимир Никифорович | Способ получения гранулированного катализатора для синтеза аммиака |
| KR100905403B1 (ko) * | 2007-10-18 | 2009-06-30 | 한국지질자원연구원 | 저품위 철광석을 이용한 아세트산 철(ⅱ)의 제조방법 |
| DE102008004135B4 (de) * | 2008-01-11 | 2014-03-06 | H.C. Starck Gmbh | Katalysatorpulver |
| JP6185255B2 (ja) * | 2013-02-22 | 2017-08-23 | 旭化成株式会社 | 酸化物触媒及びその製造方法、並びに不飽和アルデヒドの製造方法 |
| EP4545176A1 (en) * | 2022-06-24 | 2025-04-30 | Institute of Science Tokyo | Catalyst for ammonia synthesis obtained by combining hydrogen-containing aluminum and iron |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3746658A (en) * | 1970-05-01 | 1973-07-17 | Getters Spa | Catalysts |
| US3755294A (en) * | 1970-10-26 | 1973-08-28 | Cpc Inc | Process for the production of d-arabinose |
| SU598632A1 (ru) * | 1977-02-21 | 1978-03-25 | Институт общей и неорганической химии АН Белорусской ССР | Катализатор дл синтеза аммиака |
| US4499204A (en) * | 1984-01-03 | 1985-02-12 | Exxon Research & Engineering Co. | Leached catalyst for ammonia synthesis |
| GB8419851D0 (en) * | 1984-08-03 | 1984-09-05 | Ici Plc | Catalyst production |
| US4689317A (en) * | 1984-08-03 | 1987-08-25 | Imperial Chemical Industries Plc | Catalyst precursor for ammonia synthesis and process for its production |
| EP0200315A3 (en) * | 1985-03-25 | 1988-05-25 | Imperial Chemical Industries Plc | Catalysts |
| NL8502992A (nl) * | 1985-11-01 | 1987-06-01 | Dow Chemical Nederland | Werkwijze voor het beladen van een gevormd dragermateriaal met een katalytisch actief materiaal of met een precursor van een katalytisch actief materiaal en gevormde katalysator verkregen onder toepassing van de werkwijze. |
| IT1215723B (it) * | 1988-01-18 | 1990-02-22 | Ausimont Spa | A media porosita', supportato su processo per la produzione di un matrice silicea, a base di vanadio. catalizzatore ad elevata densita' e |
-
1990
- 1990-05-29 IT IT02045590A patent/IT1248656B/it active IP Right Grant
-
1991
- 1991-05-28 ES ES91108740T patent/ES2069769T3/es not_active Expired - Lifetime
- 1991-05-28 EP EP91108740A patent/EP0459424B1/en not_active Expired - Lifetime
- 1991-05-28 AT AT91108740T patent/ATE119430T1/de not_active IP Right Cessation
- 1991-05-28 DE DE69107896T patent/DE69107896T2/de not_active Expired - Fee Related
- 1991-05-28 DK DK91108740.1T patent/DK0459424T3/da active
- 1991-05-29 US US07/707,049 patent/US5221657A/en not_active Expired - Fee Related
- 1991-05-29 JP JP3125992A patent/JPH0615176A/ja active Pending
-
1995
- 1995-03-22 GR GR950400654T patent/GR3015521T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US5221657A (en) | 1993-06-22 |
| GR3015521T3 (en) | 1995-06-30 |
| DK0459424T3 (da) | 1995-05-22 |
| JPH0615176A (ja) | 1994-01-25 |
| ATE119430T1 (de) | 1995-03-15 |
| DE69107896D1 (de) | 1995-04-13 |
| IT9020455A0 (enExample) | 1990-05-29 |
| EP0459424A1 (en) | 1991-12-04 |
| IT9020455A1 (it) | 1991-11-29 |
| DE69107896T2 (de) | 1995-07-27 |
| ES2069769T3 (es) | 1995-05-16 |
| EP0459424B1 (en) | 1995-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 0001 | Granted | ||
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970515 |