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Ryan, 2013 - Google Patents

Novel venturi technology for the purpose of gas-liquid mass transfer

Ryan, 2013

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Document ID
12490336800725772069
Author
Ryan P
Publication year

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Snippet

The introduction of a gas into a liquid occurs in many chemical and biological engineering processes which require a chemical or biological reaction to occur. In the case of aeration, air is introduced into water. The aim of this thesis is to investigate the use of a novel venturi …
Continue reading at orca.cardiff.ac.uk (PDF) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099—Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/0446—Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using flow mixing means for introducing the gas, e.g. in conduits or in vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F5/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F5/04—Injector mixers, i.e. one or more components being added to a flowing main component
    • B01F5/0403—Mixing conduits or tubes, i.e. conduits or tubes through which the main component is flown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/04—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed gases or vapours with liquids
    • B01F3/04099—Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids
    • B01F3/04531—Introducing a gas or vapour into a liquid medium, e.g. producing aerated liquids using driven stirrers with completely immersed stirring elements
    • 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
    • C02F3/1289—Aeration by saturation under super-atmospheric pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING
    • B01F3/00—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed
    • B01F3/08—Mixing, e.g. dispersing, emulsifying, according to the phases to be mixed liquids with liquids; Emulsifying
    • B01F3/0807—Emulsifying
    • 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, DISPERSING
    • B01F13/00—Other mixers; Mixing plant, including combinations of mixers, e.g. of dissimilar mixers
    • B01F13/10—Mixing plant, including combinations of mixers, e.g. of dissimilar mixers
    • B01F13/1013—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles

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