FR2139715A1 - Alumina pellets - by alk silicate, alk aluminate and acid ppt ion spray drying,prewetting and extruding - Google Patents

Alumina pellets - by alk silicate, alk aluminate and acid ppt ion spray drying,prewetting and extruding

Info

Publication number
FR2139715A1
FR2139715A1 FR7119781A FR7119781A FR2139715A1 FR 2139715 A1 FR2139715 A1 FR 2139715A1 FR 7119781 A FR7119781 A FR 7119781A FR 7119781 A FR7119781 A FR 7119781A FR 2139715 A1 FR2139715 A1 FR 2139715A1
Authority
FR
France
Prior art keywords
alk
prewetting
extruding
aluminate
silicate
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.)
Granted
Application number
FR7119781A
Other languages
English (en)
Other versions
FR2139715B1 (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.)
ChampionX LLC
Original Assignee
Nalco Chemical 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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of FR2139715A1 publication Critical patent/FR2139715A1/fr
Application granted granted Critical
Publication of FR2139715B1 publication Critical patent/FR2139715B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01J21/12—Silica and alumina
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14—Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/141—Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Catalysts (AREA)
FR7119781A 1971-05-17 1971-06-01 Alumina pellets - by alk silicate, alk aluminate and acid ppt ion spray drying,prewetting and extruding Granted FR2139715A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA713178A ZA713178B (en) 1971-05-17 1971-05-17 Continuous process for preparing extruded alumina bodies
DE19712126235 DE2126235A1 (de) 1971-05-17 1971-05-26 Verfahren zur kontinuierlichen Herstellung von Aluminiumoxid

Publications (2)

Publication Number Publication Date
FR2139715A1 true FR2139715A1 (en) 1973-01-12
FR2139715B1 FR2139715B1 (fr) 1974-03-08

Family

ID=25761180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7119781A Granted FR2139715A1 (en) 1971-05-17 1971-06-01 Alumina pellets - by alk silicate, alk aluminate and acid ppt ion spray drying,prewetting and extruding

Country Status (3)

Country Link
DE (1) DE2126235A1 (fr)
FR (1) FR2139715A1 (fr)
ZA (1) ZA713178B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1069486A (fr) * 1975-11-10 1980-01-08 Nalco Chemical Company Preparation a l'aide d'acide citrique d'alumine a diametre de porosite definie
US4737352A (en) * 1987-04-09 1988-04-12 Nalco Chemical Company Use of surfactants in alumina precipitation in the bayer process
DE19621238A1 (de) * 1996-05-25 1997-11-27 Vaw Ver Aluminium Werke Ag Verfahren und Vorrichtung zur Reinigung von aluminiumstaubhaltiger Abluft

Also Published As

Publication number Publication date
DE2126235A1 (de) 1972-12-14
ZA713178B (en) 1972-01-26
FR2139715B1 (fr) 1974-03-08

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse