FR843736A - Perfectionnements apportés à la récupération des métaux précieux perdus au cours de transformations catalytiques gazeuses - Google Patents

Perfectionnements apportés à la récupération des métaux précieux perdus au cours de transformations catalytiques gazeuses

Info

Publication number
FR843736A
FR843736A FR843736DA FR843736A FR 843736 A FR843736 A FR 843736A FR 843736D A FR843736D A FR 843736DA FR 843736 A FR843736 A FR 843736A
Authority
FR
France
Prior art keywords
recovery
precious metals
lost during
during gaseous
catalytic transformations
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.)
Expired
Application number
Other languages
English (en)
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.)
Baker and Co Inc
Hercules Powder Co
Original Assignee
Baker and Co Inc
Hercules Powder Co
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 Baker and Co Inc, Hercules Powder Co filed Critical Baker and Co Inc
Application granted granted Critical
Publication of FR843736A publication Critical patent/FR843736A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/14—Cyanic or isocyanic acid; Salts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/002—Synthesis of metal cyanides or metal cyanamides from elementary nitrogen and carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0208—Preparation in gaseous phase
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0208—Preparation in gaseous phase
    • C01C3/0212—Preparation in gaseous phase from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process
    • C01C3/022—Apparatus therefor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/02—Preparation, separation or purification of hydrogen cyanide
    • C01C3/0262—Preparation, separation or purification of hydrogen cyanide from cyanides
    • 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)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
FR843736D 1938-01-19 1938-09-20 Perfectionnements apportés à la récupération des métaux précieux perdus au cours de transformations catalytiques gazeuses Expired FR843736A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US208746XA 1938-01-19 1938-01-19
US260838XA 1938-08-26 1938-08-26

Publications (1)

Publication Number Publication Date
FR843736A true FR843736A (fr) 1939-07-10

Family

ID=26693993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843736D Expired FR843736A (fr) 1938-01-19 1938-09-20 Perfectionnements apportés à la récupération des métaux précieux perdus au cours de transformations catalytiques gazeuses

Country Status (5)

Country Link
CH (1) CH208746A (fr)
FR (1) FR843736A (fr)
GB (1) GB519082A (fr)
NL (1) NL60689C (fr)
SE (1) SE102093C1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647822A (en) * 1948-04-13 1953-08-04 Robert D Pike Nitric oxide recovery system
DE927566C (de) * 1952-01-29 1955-05-12 Heraeus Gmbh W C Verfahren zur Wiedergewinnung von Platin bei katalytischen Gasreaktionen
DE1044417B (de) * 1952-02-02 1958-11-20 Degussa Verfahren zur Abscheidung von fluechtigem Platin aus Gasen
DE1027880B (de) * 1953-01-21 1958-04-10 Degussa Verfahren zur Abscheidung von fluechtigem Platin aus Gasen
DE1088033B (de) * 1956-07-06 1960-09-01 Lentia G M B H Verfahren zum Auffangen von Edelmetallen
DE1077643B (de) * 1957-06-19 1960-03-17 Lentia Gmbh Verfahren zum Auffangen von Edelmetallen

Also Published As

Publication number Publication date
NL60689C (fr) 1900-01-01
SE102093C1 (fr) 1941-07-22
CH208746A (fr) 1940-02-29
GB519082A (en) 1940-03-15

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