NO120361B - - Google Patents

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Info

Publication number
NO120361B
NO120361B NO157780A NO15778065A NO120361B NO 120361 B NO120361 B NO 120361B NO 157780 A NO157780 A NO 157780A NO 15778065 A NO15778065 A NO 15778065A NO 120361 B NO120361 B NO 120361B
Authority
NO
Norway
Prior art keywords
writing
tube
holder
writing device
capsule
Prior art date
Application number
NO157780A
Other languages
English (en)
Norwegian (no)
Inventor
L Olavson
Original Assignee
Envirotech Corp
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 Envirotech Corp filed Critical Envirotech Corp
Publication of NO120361B publication Critical patent/NO120361B/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/20—Activated sludge processes using diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23122—Diffusers having elements opening under air pressure, e.g. valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
  • Pens And Brushes (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
NO157780A 1964-04-24 1965-04-21 NO120361B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36237464A 1964-04-24 1964-04-24

Publications (1)

Publication Number Publication Date
NO120361B true NO120361B (pt) 1970-10-05

Family

ID=23425857

Family Applications (1)

Application Number Title Priority Date Filing Date
NO157780A NO120361B (pt) 1964-04-24 1965-04-21

Country Status (11)

Country Link
BE (1) BE662430A (pt)
BR (1) BR6569160D0 (pt)
DE (1) DE1254600B (pt)
ES (1) ES311612A1 (pt)
FI (1) FI42822C (pt)
FR (1) FR1431364A (pt)
GB (1) GB1043327A (pt)
LU (1) LU48310A1 (pt)
NL (1) NL6504998A (pt)
NO (1) NO120361B (pt)
SE (1) SE305199B (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1964923C2 (de) * 1969-12-24 1982-08-26 Agfa-Gevaert Ag, 5090 Leverkusen Mischdüsenventil für eine Vorrichtung zur kontinuierlichen Herstellung einer Mischung
DE3410267A1 (de) * 1984-03-21 1985-09-26 Norbert 5657 Haan Schneider Begasungsgeraet
US4717073A (en) * 1986-05-02 1988-01-05 The Boeing Company Sprayer head
DE3790555C1 (de) * 1986-09-10 1991-10-24 Guenter Schuessler Hydro-Massageduese zur Erzeugung eines Luftsprudels in einem Wasserbecken
DE3902117C1 (pt) * 1989-01-25 1990-09-13 Guenter 6074 Roedermark De Schuessler
GB2314789A (en) * 1996-07-03 1998-01-14 Convac Limited Non-return valve for a dust bag
FR2869552B1 (fr) * 2004-04-29 2007-04-06 Otv Sa Dispositif de filtration pour le traitement d'eaux, du type a membranes immergees, incluant des moyens antirefoulement du milieu a filtrer vers des moyens d'injection d'un gaz de decolmatage.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE940649C (de) * 1954-03-05 1956-03-22 Basf Ag Verfahren und Anordnung zum Verteilen von Gasen in Fluessigkeiten

Also Published As

Publication number Publication date
BR6569160D0 (pt) 1973-08-28
DE1254600B (de) 1967-11-23
FI42822B (pt) 1970-08-03
LU48310A1 (pt) 1965-06-02
GB1043327A (en) 1966-09-21
NL6504998A (pt) 1965-10-25
BE662430A (pt) 1965-08-02
ES311612A1 (es) 1965-07-01
SE305199B (pt) 1968-10-21
FI42822C (fi) 1970-11-10
FR1431364A (fr) 1966-03-11

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