CH235560A - Verfahren zur Wiedergewinnung des bei der Ammoniakverbrennung sich verflüchtigenden Platins. - Google Patents

Verfahren zur Wiedergewinnung des bei der Ammoniakverbrennung sich verflüchtigenden Platins.

Info

Publication number: CH235560A
Authority: CH; Switzerland
Prior art keywords: volatilized; platinum; recovery; ammonia combustion; ammonia
Prior art date: 1942-04-24

Application number

Other languages

English (en)

Inventor

Deutsche Gold-Und Sil Roessler

Original Assignee

Degussa

Priority date (The priority date 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 date listed.)

1942-04-24

Filing date

1943-03-30

Publication date

1944-12-15

1943-03-30 Application filed by Degussa filed Critical Degussa

1944-12-15 Publication of CH235560A publication Critical patent/CH235560A/de

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B11/00—Obtaining noble metals
- C22B11/02—Obtaining noble metals by dry processes
- C22B11/021—Recovery of noble metals from waste materials
- C22B11/026—Recovery of noble metals from waste materials from spent catalysts
- C22B11/028—Recovery of noble metals from waste materials from spent catalysts using solid sorbents, e.g. getters or catchment gauzes
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
- C01B21/267—Means for preventing deterioration or loss of catalyst or for recovering lost 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
- 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
- Y02P20/584—Recycling of catalysts

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Catalysts (AREA)
Filtering Of Dispersed Particles In Gases (AREA)

CH235560D 1942-04-24 1943-03-30 Verfahren zur Wiedergewinnung des bei der Ammoniakverbrennung sich verflüchtigenden Platins. CH235560A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE450179X		1942-04-24

Publications (1)

Publication Number	Publication Date
CH235560A true CH235560A (de)	1944-12-15

Family

ID=6538366

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH235560D CH235560A (de)	1942-04-24	1943-03-30	Verfahren zur Wiedergewinnung des bei der Ammoniakverbrennung sich verflüchtigenden Platins.

Country Status (5)

Country	Link
BE (2)	BE452298A (de)
CH (1)	CH235560A (de)
DE (3)	DE747120C (de)
FR (2)	FR892074A (de)
NL (2)	NL64418C (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE972472C (de) *	1944-12-19	1959-07-30	Lonza Werke Elektrochemische F	Verfahren zur Wiedergewinnung der aus Katalysatoren aus Platin bzw. Platinlegierungen sich verfluechtigenden Platinmetalle
DE938908C (de) *	1953-09-17	1956-02-09	Basf Ag	Verfahren zur Wiedergewinnung von Edelmetallen, insbesondere Metallen der Platingruppe, aus den bei katalytischen Umsetzungen an solchen Metallen gebildeten Reaktionsgasen
US3515541A (en) *	1967-05-03	1970-06-02	Chemie Linz Ag	Process for the recovery of noble metals
ES388847A1 (es) *	1970-03-05	1973-06-01	Engelhard Min & Chem	Un procedimiento para la recuperacion de metales del grupo del platino arrastrados en una corriente de gases calientes que sale de un lecho de catalizador.
GB8516333D0 (en) *	1985-06-28	1985-07-31	Johnson Matthey Plc	Nitric oxide

0
- BE BE450179D patent/BE450179A/xx unknown
- NL NL64335D patent/NL64335C/xx active
- NL NL64418D patent/NL64418C/xx active
1942
- 1942-04-25 DE DED87647D patent/DE747120C/de not_active Expired
1943
- 1943-03-10 FR FR892074D patent/FR892074A/fr not_active Expired
- 1943-03-30 CH CH235560D patent/CH235560A/de unknown
- 1943-04-02 DE DED5340D patent/DE884639C/de not_active Expired
- 1943-06-09 DE DED5337D patent/DE878799C/de not_active Expired
- 1943-08-25 FR FR53120D patent/FR53120E/fr not_active Expired
- 1943-09-14 BE BE452298A patent/BE452298A/fr unknown

Also Published As

Publication number	Publication date
BE450179A (de)	1900-01-01
DE884639C (de)	1953-07-27
NL64335C (de)	1900-01-01
DE747120C (de)	1944-02-22
BE452298A (fr)	1943-10-30
FR53120E (fr)	1945-09-19
FR892074A (fr)	1944-03-28
DE878799C (de)	1953-06-05
NL64418C (de)	1900-01-01

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