PL429375A1 - Alloy catalyst precursor for the synthesis and decomposition of ammonia - Google Patents
Alloy catalyst precursor for the synthesis and decomposition of ammoniaInfo
- Publication number
- PL429375A1 PL429375A1 PL429375A PL42937519A PL429375A1 PL 429375 A1 PL429375 A1 PL 429375A1 PL 429375 A PL429375 A PL 429375A PL 42937519 A PL42937519 A PL 42937519A PL 429375 A1 PL429375 A1 PL 429375A1
- Authority
- PL
- Poland
- Prior art keywords
- oxide
- amount
- weight
- iron
- ammonia
- Prior art date
Links
Classifications
-
- 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
Abstract
Przedmiotem zgłoszenia jest stopowy prekursor katalizatora do syntezy i rozkładu amoniaku, o strukturze wustytu zawierający tlenki promotorów, charakteryzuje się tym, że zawiera fazę krystalograficzną w postaci niestechiometrycznego tlenku żelaza(II) o wzorze Fe1-xO i stosunku molowym Fe2+/Fe3+ w zakresie od 3,5 do 11 oraz wbudowany w strukturę niestechiometrycznego tlenku żelaza, tlenek niklu(II) w ilości 2 - 20% masowych. Jako promotory zawiera Al2O3 od 1,0% do 4,5% wagowy, CaO od 0,8% do 2,8% wagowy, KNO3 od 0,1% do 0,9% wagowy. Zgłoszenie obejmuje również sposób wytwarzania stopowego prekursora katalizatora do syntezy i rozkładu amoniaku, o strukturze wustytu, polegający na topieniu tlenków żelaza w obecności reduktora, promotorów, schładzaniu i rozdrabnianiu odlewu, charakteryzuje się tym, że podczas topienia dodaje się tlenek niklu(II) w ilości 2 - 20% masowych. Jako reduktor stosuje się czyste żelazo lub odpadowy katalizator żelazowy w ilości od 10 do 75% wagowych w stosunku do użytego tlenku żelaza. Jako promotory stosuje się tlenek glinu w ilości 1 - 4,5% masowych i tlenek wapnia w ilości 0,5 - 4% masowych oraz z tlenek potasu lub tlenek litu w ilości 0,1 - 1,5.The subject of the application is an alloyed catalyst precursor for the synthesis and decomposition of ammonia, with a wustite structure containing promoter oxides, characterized by the fact that it contains a crystallographic phase in the form of non-stoichiometric iron (II) oxide with the formula Fe1-xO and the molar ratio of Fe2 + / Fe3 + in the range of 3 , 5 to 11 and embedded in the structure of non-stoichiometric iron oxide, nickel (II) oxide in the amount of 2 - 20% by mass. As promoters it contains Al2O3 from 1.0% to 4.5% by weight, CaO from 0.8% to 2.8% by weight, KNO3 from 0.1% to 0.9% by weight. The application also covers a method of producing an alloyed catalyst precursor for the synthesis and decomposition of ammonia, with a wustite structure, which consists in melting iron oxides in the presence of a reducing agent, promoters, cooling and grinding the casting, characterized by adding nickel (II) oxide in an amount during melting. 2 - 20% by weight. Pure iron or waste iron catalyst is used as the reducing agent in an amount of 10 to 75% by weight, based on the iron oxide used. The promoters used are alumina in an amount of 1 - 4.5% by mass and calcium oxide in an amount of 0.5-4% by mass, and potassium oxide or lithium oxide in an amount of 0.1 - 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL429375A PL429375A1 (en) | 2019-03-27 | 2019-03-27 | Alloy catalyst precursor for the synthesis and decomposition of ammonia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL429375A PL429375A1 (en) | 2019-03-27 | 2019-03-27 | Alloy catalyst precursor for the synthesis and decomposition of ammonia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL429375A1 true PL429375A1 (en) | 2020-10-05 |
Family
ID=72669269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL429375A PL429375A1 (en) | 2019-03-27 | 2019-03-27 | Alloy catalyst precursor for the synthesis and decomposition of ammonia |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL429375A1 (en) |
-
2019
- 2019-03-27 PL PL429375A patent/PL429375A1/en unknown
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