BE821364A - Procede de preparation d'un materiau consistant en spheroides creux solides - Google Patents

Procede de preparation d'un materiau consistant en spheroides creux solides

Info

Publication number
BE821364A
BE821364A BE149779A BE149779A BE821364A BE 821364 A BE821364 A BE 821364A BE 149779 A BE149779 A BE 149779A BE 149779 A BE149779 A BE 149779A BE 821364 A BE821364 A BE 821364A
Authority
BE
Belgium
Prior art keywords
preparing
material consisting
solid hollow
hollow spheroids
spheroids
Prior art date
Application number
BE149779A
Other languages
English (en)
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 filed Critical
Publication of BE821364A publication Critical patent/BE821364A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/14—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating dishes or pans
    • 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
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04—Alumina
    • 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
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
    • 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
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/51—Spheres
    • B01J35/52—Hollow spheres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Compositions Of Oxide Ceramics (AREA)
BE149779A 1973-10-26 1974-10-23 Procede de preparation d'un materiau consistant en spheroides creux solides BE821364A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732353631 DE2353631A1 (de) 1973-10-26 1973-10-26 Verfahren zur herstellung eines aus stabilen hohlkugeln bestehenden materials

Publications (1)

Publication Number Publication Date
BE821364A true BE821364A (fr) 1975-04-23

Family

ID=5896460

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149779A BE821364A (fr) 1973-10-26 1974-10-23 Procede de preparation d'un materiau consistant en spheroides creux solides

Country Status (8)

Country Link
JP (1) JPS5074587A (fr)
BE (1) BE821364A (fr)
CA (1) CA1052366A (fr)
DE (1) DE2353631A1 (fr)
FR (1) FR2248876A1 (fr)
GB (1) GB1442566A (fr)
IT (1) IT1021919B (fr)
NL (1) NL7413484A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19933450A1 (de) * 1999-07-16 2001-01-18 Degussa Metallkatalysatoren
US6573213B1 (en) 1999-07-16 2003-06-03 Degussa Ag Metal catalysts
EP1694442B1 (fr) * 2003-12-01 2007-07-11 YARA International ASA Procede de traitement thermique d'un catalyseur a oxyde de metal en vue de l'elimination de matiere organique afin d'obtenir un catalyseur poreux
DE102007009981A1 (de) * 2007-03-01 2008-09-04 Evonik Degussa Gmbh Aus hohlen Formen bestehende Mischoxidkatalysatoren
DE102016006226B3 (de) * 2016-05-19 2017-10-19 Audi Ag Wirbelschichtreaktor zur Abgasnachbehandlung

Also Published As

Publication number Publication date
JPS5074587A (fr) 1975-06-19
GB1442566A (en) 1976-07-14
CA1052366A (fr) 1979-04-10
FR2248876A1 (fr) 1975-05-23
IT1021919B (it) 1978-02-20
NL7413484A (nl) 1975-04-29
DE2353631A1 (de) 1975-05-07

Similar Documents

Publication Publication Date Title
FR2304609A1 (fr) Procede de preparation de carbonates d'alkylene
BE823027A (fr) Derives d'isoquinoleine et leur procede de preparation
BE795950A (fr) Procede de preparation d'amidosilanes
BE834026A (fr) Procede de preparation des carbonates d'alkylene
FR2309493A1 (fr) Substances pyrotechniques pulverulentes ameliorees et leur procede d'obtention
BE817761A (fr) Procede de preparation d'o-benzyltoluenes
BE815574A (fr) Procede de preparation d'amino-anthraquinones
BE821896A (fr) Procede de preparation d'un materiau ceramique spongieux
BE884333A (fr) Preparation d'alkylcellulose par un procede continu
BE811703A (fr) Procede de preparation d'isocyanato-triazines
FR2322862A1 (fr) Procede de preparation d'anilino-3 pyrazolones-5
FR2291984A1 (fr) Procede de preparation de derives de l'oestrane
FR2327236A1 (fr) Procede de preparation d'halogenures de beta-halogenoalkylaminosulfonyle
RO67836A (fr) Procede d'obtenir des carbothiolates d'acetidines
BE822618A (fr) Nouveau procede de preparation de l'antibiotique
BE816437A (fr) Nouveaux sels de sulfonium de 1,4-dithienes, leur procede de preparation et leur application a la regulation de croissance des vegetaux
BE831977A (fr) Procede de preparation de derives d'oxiranne
BE830469A (fr) Procede de preparation d'acetoxybutanal
BE812031A (fr) Procede de preparation d'urethane et de thio-urethanes
RO64568A (fr) Procede pour la preparation des substances a action diurethique et salurethique
BE819046A (fr) Procede nouveau de preparation de 3,-thiobis (2-methoxy-1-azabenzanthrone)
FR2317302A1 (fr) Procede de preparation d'antibiotiques du type b-lactame
BE811755A (fr) Procede de preparation de l'isoxazole
BE815747A (fr) Procede de preparation d'amino-benzene-carboxamides
BE813722A (fr) Procede de preparation d'epsilon-aminocapronamide