DE286430C - - Google Patents
Info
- Publication number
- DE286430C DE286430C DENDAT286430D DE286430DA DE286430C DE 286430 C DE286430 C DE 286430C DE NDAT286430 D DENDAT286430 D DE NDAT286430D DE 286430D A DE286430D A DE 286430DA DE 286430 C DE286430 C DE 286430C
- Authority
- DE
- Germany
- Prior art keywords
- metals
- predominantly
- hydrogen
- nitrogen
- mixtures
- 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.)
- Active
Links
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 150000002739 metals Chemical class 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 150000002483 hydrogen compounds Chemical class 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- -1 iron-molybdenum Chemical compound 0.000 claims 2
- 125000004435 hydrogen atoms Chemical class [H]* 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N Palladium(II) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 3
- QWDZADMNIUIMTC-UHFFFAOYSA-N Uranyl nitrate Chemical compound [O-][N+](=O)O[U-2](=O)(=O)O[N+]([O-])=O QWDZADMNIUIMTC-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QGAVSDVURUSLQK-UHFFFAOYSA-N Ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 1
- 229910001309 Ferromolybdenum Inorganic materials 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L Molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N Nickel(II) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 229940010552 ammonium molybdate Drugs 0.000 description 1
- 235000018660 ammonium molybdate Nutrition 0.000 description 1
- 239000011609 ammonium molybdate Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- IZYSFFFJIOTJEV-UHFFFAOYSA-P diazanium;dioxido(dioxo)tungsten Chemical compound [NH4+].[NH4+].[O-][W]([O-])(=O)=O IZYSFFFJIOTJEV-UHFFFAOYSA-P 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
Vr 286430 KLASSE 12&. GRUPPEVr 286430 CLASS 12 &. GROUP
von Katalysatoren.of catalysts.
Zusatz zum Patent 249447.Addendum to patent 249447.
Patentiert im Deutschen Reiche vom 10. September 1911 ab. Längste Dauer: 8. Januar 1925.Patented in the German Empire on September 10, 1911. Longest duration: January 8, 1925.
In dem Patent 249447 un<^ dessen Zusätzen 258146, 254437 und 262823 ist gezeigt worden, daß bei der synthetischen Darstellung von Ammoniak aus seinen Elementen eine erhebliehe Erhöhung der Wirksamkeit der Katalysatoren eintritt, wenn man dieselben nicht in reiner Form anwendet, sondern wenn sie Beimengungen der verschiedensten Art enthalten. In the patent 249447 and its additions 258146, 254437 and 262823 it has been shown that in the synthetic preparation of ammonia from its elements a considerable increase in the effectiveness of the catalysts occurs if they are not used in pure form but if they are admixed of various kinds included.
Es hat sich nun gezeigt, daß man mit diesem Verfahren, im speziellen Falle der Verwendung von Mischungen von Metallen bzw. von Körpern, die unter den in Betracht kommenden Verhältnissen Metalle bzw. Stickstoff- oder Wasserstoffverbindungen von Metallen liefern, wieder besonders gute Resultate erhält, wenn man die Mischungen so wählt, daß nebeneinander Metalle bzw. Körper vorhanden sind, von denen die einen für sich vorwiegend oder ausschließlich Wasserstoff, die anderen für sich vorwiegend oder ausschließlich Stickstoff enthalten bzw. aufzunehmen vermögen.It has now been shown that with this method, in the special case of use of mixtures of metals or of bodies which are among those in question Ratios of metals or nitrogen or hydrogen compounds of metals deliver, again get particularly good results if you choose the mixtures so that next to each other Metals or bodies are present, some of which are predominantly or for themselves exclusively hydrogen, the others predominantly or exclusively nitrogen contain or be able to absorb.
In dem Patent 258146 ist bereits ein Beispiel für die Verwendung von Ferromolybdän gegeben; wie sich gezeigt hat, nimmt das Eisen für sich unter den in Betracht kommenden Verhältnissen Wasserstoff auf, während Molybdänsäure in eine Stickstoffverbindung übergeht, so daß also hier bereits eine Kontaktmasse verwendet wird, die aus einem vorwiegend Wasserstoff und einem vorwiegend Stickstoff aufnehmenden Metall besteht; das gleiche gilt für das in der englischen Patentschrift 61 vom Jahre 1911 genannte Gemisch von Molybdän und Nickel. Daß aber derartige Mischungen im Vergleich zu anderen besonders wirksam sind und worauf diese besondere Wirksamkeit zurückzuführen ist, ist in jenen Patenten nicht angegeben, vielmehr ist diese Erkenntnis neu und bildet den Erfindungsgegenstand. Durch diese Erkenntnis ist jetzt die Möglichkeit gegeben, aus den verschiedenen, gemäß den Verfahren des Patentes 249447, Kl. 12 k, und Zusätzen verwendbaren Kombinationen besonders wirksame auszuwählen. Die genannten beiden Kombinationen, ferner ein Gemisch von Titan mit zur Platingruppe gehörigen Metallen werden in der vorliegenden Erfindung ausgenommen.In the patent 258146 there is already an example of the use of ferromolybdenum given; As has been shown, iron takes for itself among those in question Ratios hydrogen, while molybdic acid into a nitrogen compound passes, so that a contact mass is already used here, which consists of a consists predominantly of hydrogen and a predominantly nitrogen accepting metal; the the same applies to the mixture mentioned in English patent specification 61 from 1911 of molybdenum and nickel. But that such mixtures are particularly effective in comparison to others, and on what this particular one Effectiveness is not given in those patents, rather it is this knowledge is new and forms the subject of the invention. Knowing this is now the Possibility to choose from the different, according to the procedure of the patent 249447, Kl. 12 k, and additives to select particularly effective combinations. The two combinations mentioned, as well as a mixture of titanium with the platinum group related metals are excluded in the present invention.
Selbstredend kann man sowohl Kombina- 5" tionen von zwei als auch von mehr Metallen bzw. Verbindungen genannter Art verwenden; die vorteilhafte Wirkung macht sich besonders geltend, wenn von den verwendeten Bestandteilen nicht allzu ungleiche Gewichtsmengen vorhanden sind. Man kann unter Umständen die Wirksamkeit solcher Kombinationen noch weiter erhöhen, . wenn man passende weitere, in dem Patent 249447 und Zusätzen bezeichnete Beimengungen zufügt.It goes without saying that you can combine both 5 " use functions of two as well as more metals or compounds of the type mentioned; the beneficial effect is particularly evident when of the ingredients used there are not too unequal amounts of weight. One can under certain circumstances the effectiveness of such combinations increase even further,. if you can find more suitable, in the patent 249447 and additions Adds designated admixtures.
Beispiel ι.Example ι.
Ammoniummolybdat wird schwach erhitzt, so daß ein Teil des Ammoniaks entweicht.
Die porösen Körner werden mit einer konzentrierten Palladiumnitratlösung (20 Prozent Palladiumnitrat
auf das Molybdat gerechnet) getränkt, dann wird zur Zersetzung des Nitrates kalziniert und nunmehr mit Wasserstoff reduziert
oder direkt in den Kontaktofen gefüllt. Man kann auch dem Palladiumnitrat
z. B. Urannitrat (2 Prozent) beigeben.Ammonium molybdate is heated gently so that some of the ammonia escapes. The porous grains are soaked in a concentrated palladium nitrate solution (20 percent palladium nitrate calculated on the molybdate), then they are calcined to decompose the nitrate and then reduced with hydrogen or filled directly into the contact furnace. One can also use the palladium nitrate
z. B. Add uranium nitrate (2 percent).
2 Teile Ammoniumwolframat (alkalifrei) werden mit ι Teil Nickelnitrat, wie in Beispiel 1 beschrieben, zu einer körnigen Kontaktmasse verarbeitet.2 parts of ammonium tungstate (alkali-free) are mixed with ι part of nickel nitrate, as in Example 1 described, processed into a granular contact mass.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
DE286430C true DE286430C (en) |
Family
ID=541753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT286430D Active DE286430C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE286430C (en) |
-
0
- DE DENDAT286430D patent/DE286430C/de active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2824803C2 (en) | Use of a steel as a material for fine-grain structural steel with improved machinability properties | |
DE2447137B2 (en) | STEEL ALLOY RESISTANT AGAINST PITCH CORROSION | |
DE19546514B4 (en) | Catalyst and its use | |
DE286430C (en) | ||
DE3033961C2 (en) | Aqueous bath for anodically removing metal coatings from a different base metal and a method for anodically removing metal coatings using this bath | |
DE1226114B (en) | Process for the preparation of aliphatic and aromatic amines | |
DE219044C (en) | ||
DE2231440C3 (en) | Process for the preparation of a solution of a hydroxylammonium salt | |
DE2542421A1 (en) | PROCESS FOR PREPARING A HYDROXYLAMMONIUM SALT SOLUTION | |
DD298434A5 (en) | RENEWED SULFURED STAINLESS STEEL | |
DE1280845B (en) | Process for the selective hydrogenation of butadiene- (1,3) in a C-hydrocarbon mixture containing larger amounts of 1-butene and small amounts of butadiene- (1, 3) | |
DE3042362A1 (en) | CATALYST UNIT | |
DE967396C (en) | Polishing baths for galvanic polishing of metals and processes for their production | |
DE962366C (en) | Process for the preparation of a hydrocarbon conversion catalyst | |
DE823521C (en) | Hard, chemical resistant alloy | |
DE1594511A1 (en) | Die lubricants | |
DE283447C (en) | ||
DE183972C (en) | ||
DE648921C (en) | Process for increasing the strength properties of copper steel | |
DE900466C (en) | Cyanized cutting tools | |
DE1558649C2 (en) | Use of a corrosion-resistant steel for the manufacture of razor blades | |
DE1542239A1 (en) | Catalyst and process for its preparation | |
DE2313452A1 (en) | SOLUTION AND METHOD FOR APPLYING A PHOPHATUE COATING TO METAL SURFACES | |
DE3427649A1 (en) | CARBIDE COMPOSITION | |
DE298912C (en) |