FR2123852A5 - Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution - Google Patents

Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution

Info

Publication number
FR2123852A5
FR2123852A5 FR7103538A FR7103538A FR2123852A5 FR 2123852 A5 FR2123852 A5 FR 2123852A5 FR 7103538 A FR7103538 A FR 7103538A FR 7103538 A FR7103538 A FR 7103538A FR 2123852 A5 FR2123852 A5 FR 2123852A5
Authority
FR
France
Prior art keywords
granulation
sodium hydroxide
air pollution
reduce air
dilute sodium
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
FR7103538A
Other languages
French (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.)
Societe Miniere et Metallurgique de Penarroya
Original Assignee
Societe Miniere et Metallurgique de Penarroya
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 Societe Miniere et Metallurgique de Penarroya filed Critical Societe Miniere et Metallurgique de Penarroya
Priority to FR7103538A priority Critical patent/FR2123852A5/en
Application granted granted Critical
Publication of FR2123852A5 publication Critical patent/FR2123852A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G21/00—Compounds of lead
    • C01G21/02—Oxides
    • C01G21/06—Lead monoxide [PbO]
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Fertilizers (AREA)

Abstract

Method of prodn of granulated litharge by moist treatment in a classical appts followed by drying in which the moistening liq. contains 0.2-1 g/l NaOH. The drying is then effected at 489 degrees C pref. 350-450 degrees C for 5-60 mins. Less fines are produced contributing to a reduction of hazards to personnel.
FR7103538A 1971-02-03 1971-02-03 Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution Expired FR2123852A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7103538A FR2123852A5 (en) 1971-02-03 1971-02-03 Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7103538A FR2123852A5 (en) 1971-02-03 1971-02-03 Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution

Publications (1)

Publication Number Publication Date
FR2123852A5 true FR2123852A5 (en) 1972-09-15

Family

ID=9071302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7103538A Expired FR2123852A5 (en) 1971-02-03 1971-02-03 Granulation of litharge powder - with dilute sodium hydroxide to reduce air pollution

Country Status (1)

Country Link
FR (1) FR2123852A5 (en)

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Legal Events

Date Code Title Description
ST Notification of lapse