BE697901A - - Google Patents

Info

Publication number
BE697901A
BE697901A BE697901DA BE697901A BE 697901 A BE697901 A BE 697901A BE 697901D A BE697901D A BE 697901DA BE 697901 A BE697901 A BE 697901A
Authority
BE
Belgium
Prior art keywords
elements
ion
rings
lining
fixing
Prior art date
Application number
Other languages
English (en)
French (fr)
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
Priority claimed from AT402656A external-priority patent/AT203022B/de
Priority claimed from AT325657A external-priority patent/AT206447B/de
Priority claimed from AT415066A external-priority patent/AT266871B/de
Application filed filed Critical
Publication of BE697901A publication Critical patent/BE697901A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/20Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
    • C01B21/24Nitric oxide (NO)
    • C01B21/26Preparation by catalytic or non-catalytic oxidation of ammonia
    • C01B21/267Means for preventing deterioration or loss of catalyst or for recovering lost catalyst
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B11/00Obtaining noble metals
    • C22B11/02Obtaining noble metals by dry processes
    • C22B11/021Recovery of noble metals from waste materials
    • C22B11/026Recovery of noble metals from waste materials from spent catalysts
    • C22B11/028Recovery of noble metals from waste materials from spent catalysts using solid sorbents, e.g. getters or catchment gauzes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
BE697901D 1956-07-06 1967-05-02 BE697901A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT402656A AT203022B (de) 1956-07-06 1956-07-06 Verfahren zur Wiedergewinnung von Edelmetallen
AT325657A AT206447B (de) 1957-05-17 1957-05-17 Verfahren zur Wiedergewinnung von Edelmetallen
AT415066A AT266871B (de) 1966-05-03 1966-05-03 Verfahren zur Wiedergewinnung von Edelmetallen

Publications (1)

Publication Number Publication Date
BE697901A true BE697901A (de) 1967-11-03

Family

ID=32930805

Family Applications (1)

Application Number Title Priority Date Filing Date
BE697901D BE697901A (de) 1956-07-06 1967-05-02

Country Status (1)

Country Link
BE (1) BE697901A (de)

Similar Documents

Publication Publication Date Title
DE3043022C2 (de) Faserförmige Aktivkohle mit einer darauf abgeschiedenen Metallchelatverbindung und Verfahren zu deren Herstellung
EP3332868A1 (de) Graphenadsorptionsmaterial, herstellungsverfahren dafür und anwendung davon sowie zigarettenfilterspitze und zigarette
FR2510904A1 (fr) Filtre, son procede de fabrication et son utilisation pour l'elimination de gaz nocifs
JPS591771A (ja) 繊維状活性炭の製造法
JPS6353294B2 (de)
FR2560882A1 (fr) Procede pour la preparation de carbamate de cellulose
BE697901A (de)
FR2536302A1 (fr) Catalyseur, procedes pour sa preparation et ses applications
IL44038A (en) Abrasive particles
FR2699194A1 (fr) Procédé de métallisation chimique par voie humide de bandes de support en matière synthétique électriquement non conductrices, préalablement activées chimiquement.
CN104997152B (zh) 一种烟草薄片用复合酶制剂及其应用
BE1001182A3 (fr) Procede en vue de reduire la teneur en carbamate de produits constitues de carbamate de cellulose et produits obtenus par ce procede.
FR2564294A1 (fr) Procede pour fabriquer du tabac reconstitue
FR2472408A1 (fr) Procede et appareil pour l'isolement de vapeurs a partir de melanges gazeux
EP0209436B1 (de) Verfahren zur Herstellung eines Katalysators vom Typ auf der Basis von Nickel auf einem Kieselsäureträger für die selektive Dimerisierung von Äthylen oder Propylen zu Monoolefinen
BE444852A (fr) Procede de protection contre la rouille par phosphatisation
FR2522282A1 (fr) Adsorbant a base d'oxyde de zirconium
BE855211Q (fr) Procede pour l'ignifugation de tissus cellulosiques
RU2347860C1 (ru) Способ обработки льняного волокна
US423230A (en) Stephen jh
US322842A (en) Method of removing fiber from cotton-seed
CN105236400A (zh) 一种石墨烯制备过程中的除杂方法
FR2560590A1 (fr) Procede de fabrication de perborate de sodium monohydrate a partir de perborate de sodium tetrahydrate
BE888929A (fr) Nouvelles fibres d'amiante phosphatees
JP2004183115A (ja) 不織布状活性炭の製造方法及び不織布状活性炭