FR779953A - Device for the filtration of harmful gases with control of the efficiency of this filtration and safety scrubber - Google Patents

Device for the filtration of harmful gases with control of the efficiency of this filtration and safety scrubber

Info

Publication number
FR779953A
FR779953A FR779953DA FR779953A FR 779953 A FR779953 A FR 779953A FR 779953D A FR779953D A FR 779953DA FR 779953 A FR779953 A FR 779953A
Authority
FR
France
Prior art keywords
filtration
efficiency
control
harmful gases
scrubber
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
Other languages
French (fr)
Inventor
Fernez Andre Maurice
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
Application granted granted Critical
Publication of FR779953A publication Critical patent/FR779953A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/44—Auxiliary equipment or operation thereof controlling filtration
    • B01D46/46—Auxiliary equipment or operation thereof controlling filtration automatic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR779953D 1933-12-30 1933-12-30 Device for the filtration of harmful gases with control of the efficiency of this filtration and safety scrubber Expired FR779953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR779953T 1933-12-30

Publications (1)

Publication Number Publication Date
FR779953A true FR779953A (en) 1935-04-17

Family

ID=9203017

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779953D Expired FR779953A (en) 1933-12-30 1933-12-30 Device for the filtration of harmful gases with control of the efficiency of this filtration and safety scrubber

Country Status (1)

Country Link
FR (1) FR779953A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974239C (en) * 1950-12-14 1960-10-27 Armand Jaques Julien Poelman Respiratory protection filter with two single filters with the same filter mass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE974239C (en) * 1950-12-14 1960-10-27 Armand Jaques Julien Poelman Respiratory protection filter with two single filters with the same filter mass

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