CA1116762A - Process for treating cyanide and cyanate-containing wastewaters - Google Patents

Process for treating cyanide and cyanate-containing wastewaters

Info

Publication number
CA1116762A
CA1116762A CA000330355A CA330355A CA1116762A CA 1116762 A CA1116762 A CA 1116762A CA 000330355 A CA000330355 A CA 000330355A CA 330355 A CA330355 A CA 330355A CA 1116762 A CA1116762 A CA 1116762A
Authority
CA
Canada
Prior art keywords
ozone
zone
cyanide
gas
influent
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
CA000330355A
Other languages
English (en)
French (fr)
Inventor
Frederick C. Novak
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.)
TII Corp
Original Assignee
TII 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 TII Corp filed Critical TII Corp
Application granted granted Critical
Publication of CA1116762A publication Critical patent/CA1116762A/en
Expired 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • 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
    • B01F23/2331—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 introduction of the gas along the axis of the stirrer or along the stirrer elements
    • 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
    • B01F23/2331—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 introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—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 introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • 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
    • B01F23/23342—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 the stirrer being of the centrifugal type, e.g. with a surrounding stator
    • 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
    • C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
CA000330355A 1978-08-08 1979-06-22 Process for treating cyanide and cyanate-containing wastewaters Expired CA1116762A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US93195878A 1978-08-08 1978-08-08
US931,958 1978-08-08

Publications (1)

Publication Number Publication Date
CA1116762A true CA1116762A (en) 1982-01-19

Family

ID=25461574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000330355A Expired CA1116762A (en) 1978-08-08 1979-06-22 Process for treating cyanide and cyanate-containing wastewaters

Country Status (9)

Country Link
JP (1) JPS5913916B2 (it)
AU (1) AU528719B2 (it)
BE (1) BE878136A (it)
CA (1) CA1116762A (it)
FR (1) FR2438014A1 (it)
GB (1) GB2039874B (it)
IT (1) IT1192743B (it)
NL (1) NL7920024A (it)
WO (1) WO1980000335A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2020949A1 (en) * 1989-07-13 1991-01-14 Solarchem Enterprises Inc. Wastewater treatment process with an ozone contactor
DE4004711A1 (de) * 1990-02-15 1991-08-22 Peter Husten Verfahren und vorrichtung zur entfernung von schadstoffen aus untergrund-formationen im erdboden
RU2550189C1 (ru) * 2013-12-20 2015-05-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Способ обезвреживания циансодержащих растворов и пульп

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3391789A (en) * 1965-06-11 1968-07-09 Industrial Filter Pump Mfg Co Waste treatment apparatus
CH490108A (de) * 1969-01-28 1970-05-15 Kerag Kesselschmiede App Und M Vorrichtung zum Vermischen von strömungsfähigen Medien
DE1929254A1 (de) * 1969-06-10 1970-12-17 Born Dr Ing Rainer Verfahren zur Behandlung von insbesondere konzentrierten cyanidhaltigen Abwaessern
FR2129138A5 (it) * 1971-03-16 1972-10-27 Trailigaz
NL7206480A (it) * 1971-05-13 1972-11-15 J Williams
SU394322A1 (ru) * 1971-06-01 1973-08-22 О. К. Беспам тной, Е. К. Рошци , Л. Ф. кше СПОСОБ ОЧИСТКИ сточных вод. СОДЕРЖАЩИХ ЦИАНИДЫ
SU469667A1 (ru) * 1972-01-03 1975-05-05 Государственный научно-исследовательский и проектный институт по обогащению руд цветных металлов "Казмеханобр" Способ обезвреживани сточных вод
US3945918A (en) * 1974-01-10 1976-03-23 Airco, Inc. Methods and apparatus for treating a liquid with a gas
US3920547A (en) * 1974-05-06 1975-11-18 Houston Research Inc Method of destroying cyanides
JPS521756A (en) * 1975-06-24 1977-01-07 Sumikin Kozai Kogyo Kk Rotary vane device to mix substances having different specific graviti es
US4132637A (en) * 1976-09-02 1979-01-02 Fmc Corporation Ozone disinfection in waste water treatment with recycling of ozonation off gas
US4105545A (en) * 1976-09-14 1978-08-08 Treadwell Corp. Process for removing cyanide-containing components from aqueous media

Also Published As

Publication number Publication date
AU4941379A (en) 1980-02-14
GB2039874B (en) 1983-01-12
AU528719B2 (en) 1983-05-12
FR2438014A1 (fr) 1980-04-30
IT7923771A0 (it) 1979-06-21
WO1980000335A1 (en) 1980-03-06
JPS55500552A (it) 1980-08-21
GB2039874A (en) 1980-08-20
JPS5913916B2 (ja) 1984-04-02
BE878136A (fr) 1979-12-03
IT1192743B (it) 1988-05-04
NL7920024A (nl) 1980-05-30

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Legal Events

Date Code Title Description
MKEX Expiry