FR2068870A5 - - Google Patents

Info

Publication number
FR2068870A5
FR2068870A5 FR7014197A FR7014197A FR2068870A5 FR 2068870 A5 FR2068870 A5 FR 2068870A5 FR 7014197 A FR7014197 A FR 7014197A FR 7014197 A FR7014197 A FR 7014197A FR 2068870 A5 FR2068870 A5 FR 2068870A5
Authority
FR
France
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.)
Expired
Application number
FR7014197A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ThyssenKrupp Industrial Solutions AG
ThyssenKrupp Industrial Solutions AG
Original Assignee
Uhde GmbH
Friedrich Uhde GmbH
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.)
Filing date
Publication date
Application filed by Uhde GmbH, Friedrich Uhde GmbH filed Critical Uhde GmbH
Application granted granted Critical
Publication of FR2068870A5 publication Critical patent/FR2068870A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
FR7014197A 1969-04-18 1970-04-20 Expired FR2068870A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691919635 DE1919635A1 (en) 1969-04-18 1969-04-18 Contact furnace for gas oxidation with collecting device for precious metals

Publications (1)

Publication Number Publication Date
FR2068870A5 true FR2068870A5 (en) 1971-09-03

Family

ID=5731523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7014197A Expired FR2068870A5 (en) 1969-04-18 1970-04-20

Country Status (5)

Country Link
BE (1) BE749103A (en)
DE (1) DE1919635A1 (en)
FR (1) FR2068870A5 (en)
GB (1) GB1314874A (en)
NL (1) NL7004289A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445175A1 (en) * 1978-12-27 1980-07-25 Inst Nawozow Sztucznych Grid for recovering platinum metals - esp. for collecting platinum detached from catalyst during high temp. oxidn. of ammonia
ATE15815T1 (en) * 1981-04-10 1985-10-15 Johnson Matthey Plc PRECIOUS METAL RECOVERY.
US4721567A (en) * 1984-06-06 1988-01-26 Certech Inc. Ceramic pouring filter with tortuous flow paths
GB9100519D0 (en) * 1991-01-10 1991-02-20 Foseco Int Filters
GB2406802A (en) * 2003-09-11 2005-04-13 Caldo Environmental Engineerin Reactor incorporating a filter system
NO327431B1 (en) 2006-09-08 2009-06-29 Yara Int Asa Method and apparatus for trapping platinum group elements
US10617978B1 (en) * 2018-10-24 2020-04-14 Pall Corporation Support and drainage material, filter, and method of use

Also Published As

Publication number Publication date
BE749103A (en) 1970-10-01
NL7004289A (en) 1970-10-20
GB1314874A (en) 1973-04-26
DE1919635A1 (en) 1970-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse