GR3015521T3 - Process for producing the precursor of a precipitated catalyst for the ammonia synthesis. - Google Patents
Process for producing the precursor of a precipitated catalyst for the ammonia synthesis.Info
- Publication number
- GR3015521T3 GR3015521T3 GR950400654T GR950400654T GR3015521T3 GR 3015521 T3 GR3015521 T3 GR 3015521T3 GR 950400654 T GR950400654 T GR 950400654T GR 950400654 T GR950400654 T GR 950400654T GR 3015521 T3 GR3015521 T3 GR 3015521T3
- Authority
- GR
- Greece
- Prior art keywords
- iron
- precursor
- producing
- precipitated catalyst
- water
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 239000003054 catalyst Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000002243 precursor Substances 0.000 title abstract 2
- 238000003786 synthesis reaction Methods 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title 2
- 229910021529 ammonia Inorganic materials 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 10
- 229910052742 iron Inorganic materials 0.000 abstract 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical group [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000000975 co-precipitation Methods 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 229910052700 potassium Inorganic materials 0.000 abstract 1
- 150000003112 potassium compounds Chemical class 0.000 abstract 1
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
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
-
- 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
-
- 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)
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 (1)
| Publication Number | Publication Date |
|---|---|
| GR3015521T3 true GR3015521T3 (en) | 1995-06-30 |
Family
ID=11167209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR950400654T GR3015521T3 (en) | 1990-05-29 | 1995-03-22 | Process for producing the precursor of a precipitated catalyst for the ammonia synthesis. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5221657A (el) |
| EP (1) | EP0459424B1 (el) |
| JP (1) | JPH0615176A (el) |
| AT (1) | ATE119430T1 (el) |
| DE (1) | DE69107896T2 (el) |
| DK (1) | DK0459424T3 (el) |
| ES (1) | ES2069769T3 (el) |
| GR (1) | GR3015521T3 (el) |
| IT (1) | IT1248656B (el) |
Families Citing this family (6)
| 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 |
| ES2222468T3 (es) * | 1994-12-14 | 2005-02-01 | Shell Internationale Research Maatschappij B.V. | Proceso de preparacion de catalizadores de deshidrogenacion. |
| 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 |
| WO2023249030A1 (ja) * | 2022-06-24 | 2023-12-28 | 国立大学法人東京工業大学 | 含水素アルミニウムと鉄を組み合わせたアンモニア合成触媒 |
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 |
| US4689317A (en) * | 1984-08-03 | 1987-08-25 | Imperial Chemical Industries Plc | Catalyst precursor for ammonia synthesis and process for its production |
| GB8419851D0 (en) * | 1984-08-03 | 1984-09-05 | Ici Plc | Catalyst 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 DE DE69107896T patent/DE69107896T2/de not_active Expired - Fee Related
- 1991-05-28 EP EP91108740A patent/EP0459424B1/en not_active Expired - Lifetime
- 1991-05-28 DK DK91108740.1T patent/DK0459424T3/da active
- 1991-05-28 AT AT91108740T patent/ATE119430T1/de not_active IP Right Cessation
- 1991-05-29 JP JP3125992A patent/JPH0615176A/ja active Pending
- 1991-05-29 US US07/707,049 patent/US5221657A/en not_active Expired - Fee Related
-
1995
- 1995-03-22 GR GR950400654T patent/GR3015521T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES2069769T3 (es) | 1995-05-16 |
| EP0459424B1 (en) | 1995-03-08 |
| EP0459424A1 (en) | 1991-12-04 |
| IT9020455A0 (el) | 1990-05-29 |
| ATE119430T1 (de) | 1995-03-15 |
| IT1248656B (it) | 1995-01-26 |
| US5221657A (en) | 1993-06-22 |
| DE69107896T2 (de) | 1995-07-27 |
| DK0459424T3 (da) | 1995-05-22 |
| JPH0615176A (ja) | 1994-01-25 |
| IT9020455A1 (it) | 1991-11-29 |
| DE69107896D1 (de) | 1995-04-13 |
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