AU3276493A - Low pressure process for entraining gas into liquid solution - Google Patents

Low pressure process for entraining gas into liquid solution

Info

Publication number
AU3276493A
AU3276493A AU32764/93A AU3276493A AU3276493A AU 3276493 A AU3276493 A AU 3276493A AU 32764/93 A AU32764/93 A AU 32764/93A AU 3276493 A AU3276493 A AU 3276493A AU 3276493 A AU3276493 A AU 3276493A
Authority
AU
Australia
Prior art keywords
low pressure
liquid solution
pressure process
entraining gas
entraining
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.)
Abandoned
Application number
AU32764/93A
Inventor
Daniel G Noyes
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.)
Us Water Technologies Inc
Original Assignee
U S WATER TECHNOLOGIES Inc
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
Priority claimed from US07/805,094 external-priority patent/US5261783A/en
Application filed by U S WATER TECHNOLOGIES Inc filed Critical U S WATER TECHNOLOGIES Inc
Publication of AU3276493A publication Critical patent/AU3276493A/en
Abandoned legal-status Critical Current

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
    • C02F3/1278—Provisions for mixing or aeration of the mixed liquor
    • C02F3/1294—"Venturi" aeration means
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2334—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer
    • B01F23/23341—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements provided with stationary guiding means surrounding at least partially the stirrer with tubes surrounding the stirrer
    • 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
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
    • B01F23/23362—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced under the stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/25—Mixers with both stirrer and drive unit submerged in the material being mixed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
    • F04F5/04—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/114—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1143—Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections screw-shaped, e.g. worms
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Jet Pumps And Other Pumps (AREA)
AU32764/93A 1991-12-09 1992-12-09 Low pressure process for entraining gas into liquid solution Abandoned AU3276493A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US80518291A 1991-12-09 1991-12-09
US07/805,094 US5261783A (en) 1991-12-09 1991-12-09 Kinetic pump having a centerless impeller
US805094 1991-12-09
US805182 1991-12-09

Publications (1)

Publication Number Publication Date
AU3276493A true AU3276493A (en) 1993-07-19

Family

ID=27122751

Family Applications (1)

Application Number Title Priority Date Filing Date
AU32764/93A Abandoned AU3276493A (en) 1991-12-09 1992-12-09 Low pressure process for entraining gas into liquid solution

Country Status (2)

Country Link
AU (1) AU3276493A (en)
WO (1) WO1993012043A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5935490A (en) * 1996-07-26 1999-08-10 Boc Gases Australia Limited Oxygen dissolver for pipelines or pipe outlets

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT511466B1 (en) * 2011-08-03 2012-12-15 Hoerbiger Kompressortech Hold FLUID MIXER

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240104A (en) * 1940-03-09 1941-04-29 Jr William C Uhri Mixing device
US2606150A (en) * 1948-04-08 1952-08-05 Air Reduction Dispersion of gaseous treating agents in liquids
FR2253551A1 (en) * 1973-12-11 1975-07-04 Perrot Roger Device to dissolve gas in a liquid product - embodying open centrifugal pump
WO1987002907A1 (en) * 1985-11-18 1987-05-21 Stearns Donald M Centrifugal oxygenator for treatment of waste water and system
US5043104A (en) * 1987-11-04 1991-08-27 Barrett Haentjens & Co. Apparatus for gas absorption in a liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5935490A (en) * 1996-07-26 1999-08-10 Boc Gases Australia Limited Oxygen dissolver for pipelines or pipe outlets

Also Published As

Publication number Publication date
WO1993012043A1 (en) 1993-06-24

Similar Documents

Publication Publication Date Title
AU6806890A (en) Gas removal pump for liquid
AU5898694A (en) Delivery apparatus with pressure controlled delivery
AU2089895A (en) High pressure gas vessel
AU3781289A (en) Container for high pressure gases
AU7962094A (en) Apparatus for handling process fluid
AU7841394A (en) Fluid delivery apparatus
AU4671989A (en) Dual chamber pumping apparatus
AU5409194A (en) Scroll apparatus with reduced inlet pressure drop
AU7321694A (en) Low pressure casting process and apparatus
AU9012091A (en) Chemical process
AU7901491A (en) Method, apparatus for delivering or withdrawing fluid
AU656457B2 (en) Chemical process
AU7839494A (en) Process for purifying liquid natural gas
AU5765794A (en) Device for feeding liquid under pressure
AU6788690A (en) Gas removable pump for liquid
AU607092B2 (en) Pressure tank
AU5212293A (en) Process for rigid foams
AU6976994A (en) Blood pressure measuring apparatus
AU2813792A (en) Air ventile for pressure cookers
AU634315B2 (en) Gas removable pump for liquid
AU3100793A (en) Chemical process
AU6575294A (en) Improvements relating to cash handling apparatus
AU3276493A (en) Low pressure process for entraining gas into liquid solution
EP0496283A3 (en) Process for evaporating liquid natural gas
AU2624192A (en) Chemical process