ZA825390B - Apparatus and method for clarification of water using combined flotation and filtration processes - Google Patents

Apparatus and method for clarification of water using combined flotation and filtration processes

Info

Publication number
ZA825390B
ZA825390B ZA825390A ZA825390A ZA825390B ZA 825390 B ZA825390 B ZA 825390B ZA 825390 A ZA825390 A ZA 825390A ZA 825390 A ZA825390 A ZA 825390A ZA 825390 B ZA825390 B ZA 825390B
Authority
ZA
South Africa
Prior art keywords
clarification
water
filtration processes
combined flotation
flotation
Prior art date
Application number
ZA825390A
Other languages
English (en)
Inventor
Milos Krofta
Original Assignee
Lenox Inst Res
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 Lenox Inst Res filed Critical Lenox Inst Res
Publication of ZA825390B publication Critical patent/ZA825390B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1431—Dissolved air flotation machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
    • B01D24/005—Filters being divided into a plurality of cells or compartments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
    • B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
    • B01D24/22—Downward filtration, the filter material being supported by pervious surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/38—Feed or discharge devices
    • B01D24/386—Feed or discharge devices internal recirculation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
    • B01D24/46—Regenerating the filtering material in the filter
    • B01D24/4631—Counter-current flushing, e.g. by air
    • B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D36/00—Filter circuits or combinations of filters with other separating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/03—Processes of filtration using flocculating agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/02—Froth-flotation processes
    • B03D1/028—Control and monitoring of flotation processes; computer models therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1462—Discharge mechanisms for the froth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1443—Feed or discharge mechanisms for flotation tanks
    • B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00—Flotation
    • B03D1/14—Flotation machines
    • B03D1/1493—Flotation machines with means for establishing a specified flow pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D3/00—Differential sedimentation
    • B03D3/06—Flocculation
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physical Water Treatments (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
ZA825390A 1981-09-15 1982-07-27 Apparatus and method for clarification of water using combined flotation and filtration processes ZA825390B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/302,566 US4377485A (en) 1981-09-15 1981-09-15 Apparatus and method for clarification of water using combined flotation and filtration processes

Publications (1)

Publication Number Publication Date
ZA825390B true ZA825390B (en) 1983-06-29

Family

ID=23168300

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825390A ZA825390B (en) 1981-09-15 1982-07-27 Apparatus and method for clarification of water using combined flotation and filtration processes

Country Status (18)

Country Link
US (1) US4377485A (it)
JP (1) JPS5845785A (it)
AR (1) AR227484A1 (it)
AU (1) AU553891B2 (it)
BR (1) BR8205385A (it)
CA (1) CA1171562A (it)
CH (1) CH659240A5 (it)
DE (1) DE3231844A1 (it)
ES (1) ES8403840A1 (it)
FI (1) FI74696C (it)
FR (1) FR2512802B1 (it)
GB (1) GB2105601B (it)
IN (1) IN158976B (it)
IT (1) IT1152507B (it)
MX (1) MX156978A (it)
SE (1) SE453590B (it)
TR (1) TR21907A (it)
ZA (1) ZA825390B (it)

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DE3138676A1 (de) * 1981-09-29 1983-04-14 Passavant-Werke AG & Co KG, 6209 Aarbergen Filtereinrichtung mit einer einrichtung zum rueckspuelen des filterbettes
JPS60112279A (ja) * 1983-11-18 1985-06-18 松下電工株式会社 ヒ−タ
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US4673494A (en) * 1984-06-27 1987-06-16 Lenox Institute For Research, Inc. Water treatment apparatus
US4626345A (en) * 1984-09-04 1986-12-02 Lenox Institute For Research, Inc. Apparatus for clarification of water
US4793934A (en) * 1987-04-22 1988-12-27 Signal Environmental Systems, Inc. Method for enhancing the separation capacity of a multi-bed filtration system
US4923600A (en) * 1987-08-28 1990-05-08 Lenox Institute For Research, Inc. Water clarification system adapted for removing particulate matter of greater than a predetermined size
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US5320750A (en) 1988-09-07 1994-06-14 Milos Krofta Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
US5188729A (en) * 1988-09-07 1993-02-23 Lenox Institute For Research, Inc. Sludge collection apparatus for a water clarifier
US5268099A (en) * 1988-09-07 1993-12-07 Lenox Institute Of Water Technology, Inc. Lamellar clarifier with rectilinear tank
US5296149A (en) * 1988-09-07 1994-03-22 Milos Krofta Lamellar apparatus and method for clarifying water
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US4931175A (en) * 1988-09-07 1990-06-05 Lenox Institute For Research, Inc. Water clarifying apparatus
DE9018117U1 (de) * 1989-08-14 1995-07-06 Werner Zapf Kg, 95448 Bayreuth Mehrere Abscheideabteilungen aufweisender Leichtflüssigkeitsabscheider
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US5049320A (en) * 1990-07-03 1991-09-17 International Environmental Systems, Inc. Gas dissolving system and method
US5240600A (en) * 1990-07-03 1993-08-31 International Environmental Systems, Inc., Usa Water and wastewater treatment system
US5236595A (en) * 1990-07-06 1993-08-17 International Environmental Systems, Inc., Usa Method and apparatus for filtration with plural ultraviolet treatment stages
US5084165A (en) * 1990-07-06 1992-01-28 Int'l Environmental Systems, Inc. Water treatment apparatus
US5190659A (en) * 1990-07-06 1993-03-02 International Environmental Systems Inc. Contamination removal system employing filtration and plural ultraviolet and chemical treatment steps and treatment mode controller
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DE4101332A1 (de) * 1991-01-18 1992-07-23 Ibo W Grimmel Abwassertechnik Vorrichtung zum reinigen von abwasser
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DE4128665C1 (it) * 1991-08-29 1993-03-04 K-Pack Systems International, Neede, Nl
US5242585A (en) * 1991-09-04 1993-09-07 Lenox Institute For Research, Inc. Apparatus and method for deinking waste paper pulp
US5401405A (en) * 1993-05-24 1995-03-28 Davis Water & Waste Industries, Inc. Combined air/water backwash in a travelling bridge filter
US5415771A (en) * 1993-06-29 1995-05-16 The Lenox Institute Of Water Technology, Inc. High capacity single tank water clarification system
FI97128C (fi) * 1993-12-20 1996-10-25 Oiva Suutarinen Vedenpuhdistuslaitos
IT1269815B (it) * 1994-05-20 1997-04-15 Fabio Perletti Apparato per la chiarificazione spinta di liquidi con particelle solide in sospensione
DE4427432A1 (de) * 1994-08-03 1996-02-08 Hubert Wilz Verfahren und Anordnung zum kontinuierlichen Entfernen von abfilterbaren Stoffen aus einer Flüssigkeit
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US10005014B2 (en) 2012-01-30 2018-06-26 Fram Group Ip Llc Additive carrier for spin on filters
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CN104341065A (zh) * 2013-08-02 2015-02-11 中国水产科学研究院渔业机械仪器研究所 一种电凝聚气浮法净化养鱼污水的工艺
CN104986767B (zh) * 2015-06-03 2017-04-12 河南易成新能源股份有限公司 碳化硅微粉除碳装置及方法
CN105600787B (zh) * 2016-03-21 2017-09-01 平顶山市国邦新材料有限公司 一种碳化硅除杂系统
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Also Published As

Publication number Publication date
ES515656A0 (es) 1984-04-01
FI823155A0 (fi) 1982-09-13
DE3231844C2 (it) 1989-08-03
FI74696B (fi) 1987-11-30
MX156978A (es) 1988-10-18
BR8205385A (pt) 1983-08-23
ES8403840A1 (es) 1984-04-01
FR2512802B1 (fr) 1986-04-25
FI74696C (fi) 1988-03-10
IT1152507B (it) 1987-01-07
FR2512802A1 (fr) 1983-03-18
IT8222949A0 (it) 1982-08-24
JPH0148075B2 (it) 1989-10-17
US4377485A (en) 1983-03-22
AU8695482A (en) 1983-03-24
SE8205214D0 (sv) 1982-09-13
TR21907A (tr) 1985-10-31
CA1171562A (en) 1984-07-24
AU553891B2 (en) 1986-07-31
CH659240A5 (de) 1987-01-15
GB2105601A (en) 1983-03-30
GB2105601B (en) 1985-04-11
SE8205214L (sv) 1983-03-16
IN158976B (it) 1987-02-28
SE453590B (sv) 1988-02-15
AR227484A1 (es) 1982-10-29
JPS5845785A (ja) 1983-03-17
DE3231844A1 (de) 1983-03-31

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