GB1462237A - Production of spongy cermaic material - Google Patents

Production of spongy cermaic material

Info

Publication number
GB1462237A
GB1462237A GB4645774A GB4645774A GB1462237A GB 1462237 A GB1462237 A GB 1462237A GB 4645774 A GB4645774 A GB 4645774A GB 4645774 A GB4645774 A GB 4645774A GB 1462237 A GB1462237 A GB 1462237A
Authority
GB
United Kingdom
Prior art keywords
spheroskeleton
spheroids
suspension
cylinder
spongy
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
GB4645774A
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of GB1462237A publication Critical patent/GB1462237A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/50Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/56Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86Catalytic processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018Addition 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)
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02Impregnation, coating or precipitation
    • B01J37/0215Coating
    • B01J37/0221Coating of particles
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B38/00Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/0615Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances the burned-out substance being a monolitic element having approximately the same dimensions as the final article, e.g. a porous polyurethane sheet or a prepreg obtained by bonding together resin particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
GB4645774A 1973-11-07 1974-10-28 Production of spongy cermaic material Expired GB1462237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2355498A DE2355498C3 (de) 1973-11-07 1973-11-07 Verfahren zur Herstellung eines schwammartigen keramischen Körpers

Publications (1)

Publication Number Publication Date
GB1462237A true GB1462237A (en) 1977-01-19

Family

ID=5897351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4645774A Expired GB1462237A (en) 1973-11-07 1974-10-28 Production of spongy cermaic material

Country Status (17)

Country Link
JP (1) JPS5075608A (nl)
AT (1) AT344669B (nl)
BE (1) BE821896A (nl)
BR (1) BR7409283A (nl)
CA (1) CA1039480A (nl)
CH (1) CH606780A5 (nl)
DD (1) DD117616A5 (nl)
DE (1) DE2355498C3 (nl)
DK (1) DK579074A (nl)
FR (1) FR2249851B1 (nl)
GB (1) GB1462237A (nl)
IL (1) IL45978A (nl)
IT (1) IT1023138B (nl)
NL (1) NL7414361A (nl)
PL (1) PL97181B1 (nl)
RO (1) RO71032A (nl)
SE (1) SE7413935L (nl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251182A (ja) * 1984-05-28 1985-12-11 品川白煉瓦株式会社 多孔性耐火固体の製造方法
DE3511825A1 (de) * 1985-03-30 1986-10-02 Feldmühle AG, 4000 Düsseldorf Sinterkoerper aus keramischem material
JPH0631179B2 (ja) * 1985-10-18 1994-04-27 マツダ株式会社 エンジンの排気ガス浄化用フイルタの製造方法
JP2759147B2 (ja) * 1987-02-25 1998-05-28 住友化学工業株式会社 セラミツク多孔体の製造方法
DE3724156A1 (de) * 1987-07-22 1989-02-02 Norddeutsche Affinerie Verfahren zum herstellen von metallischen oder keramischen hohlkugeln
DE3729126A1 (de) * 1987-09-01 1989-04-06 Mototech Motoren Umweltschutz Dieselruss-partikelfilter und verfahren zu seiner herstellung
JPH05310464A (ja) * 1992-05-11 1993-11-22 Kunnetsupu Sekkai Kogyo Kk 球殻状保温材及びその製造方法
DE4420839A1 (de) * 1994-06-15 1995-12-21 Steag Ag Verfahren und Vorrichtung zum Abscheiden von dampfförmigen Alkali- und Schwermetallverbindungen aus heißen Verbrennungsgasen

Also Published As

Publication number Publication date
IL45978A (en) 1977-05-31
FR2249851A1 (nl) 1975-05-30
IT1023138B (it) 1978-05-10
AT344669B (de) 1978-08-10
DD117616A5 (nl) 1976-01-20
DE2355498C3 (de) 1979-08-30
IL45978A0 (en) 1975-02-10
DE2355498A1 (de) 1975-06-05
SE7413935L (nl) 1975-05-09
FR2249851B1 (nl) 1980-12-05
CH606780A5 (nl) 1978-11-15
PL97181B1 (pl) 1978-02-28
JPS5075608A (nl) 1975-06-20
RO71032A (ro) 1981-11-24
ATA885874A (de) 1977-12-15
DE2355498B2 (nl) 1979-01-11
BR7409283A (pt) 1976-05-11
DK579074A (nl) 1975-07-14
BE821896A (fr) 1975-05-06
CA1039480A (en) 1978-10-03
NL7414361A (nl) 1975-05-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee