BE612513A - Dehydration of sludge, especially sewage sludge - Google Patents

Dehydration of sludge, especially sewage sludge

Info

Publication number
BE612513A
BE612513A BE612513A BE612513A BE612513A BE 612513 A BE612513 A BE 612513A BE 612513 A BE612513 A BE 612513A BE 612513 A BE612513 A BE 612513A BE 612513 A BE612513 A BE 612513A
Authority
BE
Belgium
Prior art keywords
sludge
dehydration
especially sewage
sewage sludge
sewage
Prior art date
Application number
BE612513A
Other languages
French (fr)
Inventor
Ralph Mcconnell Wiley
Charles Paul Priesing
Stanley J Mogelnicki
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BE612513A publication Critical patent/BE612513A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus 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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/016—Macromolecular compounds
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/18—Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
    • 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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/008—Organic compounds containing oxygen
    • 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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • 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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/01—Organic compounds containing nitrogen
    • B03D1/011—Quaternary ammonium compounds
    • 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
    • B03D1/001—Flotation agents
    • B03D1/004—Organic compounds
    • B03D1/012—Organic compounds containing sulfur
BE612513A 1961-09-05 1962-01-10 Dehydration of sludge, especially sewage sludge BE612513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13575061A 1961-09-05 1961-09-05

Publications (1)

Publication Number Publication Date
BE612513A true BE612513A (en) 1962-07-10

Family

ID=22469490

Family Applications (2)

Application Number Title Priority Date Filing Date
BE622154D BE622154A (en) 1961-09-05
BE612513A BE612513A (en) 1961-09-05 1962-01-10 Dehydration of sludge, especially sewage sludge

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE622154D BE622154A (en) 1961-09-05

Country Status (5)

Country Link
BE (2) BE612513A (en)
CH (2) CH413738A (en)
FR (1) FR1340257A (en)
GB (2) GB963157A (en)
NL (1) NL282787A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1116324A (en) * 1978-10-23 1982-01-12 Grace Dearborn Inc. Detoxification of cationic flocculants
US4382864A (en) * 1980-08-08 1983-05-10 Kurita Water Industries Ltd. Process for dewatering sludges
ZA818636B (en) * 1980-12-30 1982-10-27 Union Carbide Corp A process for the flocculation of mineral containing slurries
JPS6038200B2 (en) * 1982-04-22 1985-08-30 栗田工業株式会社 Sludge dewatering method
JPH01310800A (en) * 1988-06-10 1989-12-14 Aoki Corp Sludge flocculation method
JP2845495B2 (en) * 1989-07-03 1999-01-13 株式会社青木建設 Treatment method for low concentration turbid water
FR2655277A1 (en) * 1989-12-06 1991-06-07 Atochem PROCESS FOR TREATING WATER WITH SIMULTANEOUS FLOCCULATION AND ADSORPTION USING PARTIALLY HYDROPHOBIC POLYELECTROLYTES
FR2655567A1 (en) * 1989-12-06 1991-06-14 Atochem Water treatment process with simultaneous flocculation and adsorption with the aid of partially hydrophobic polyelectrolytes
DE69718852T2 (en) 1996-07-08 2003-10-30 Sony Corp Process for the production of a polymer electrolyte
AU746925B2 (en) * 1998-01-12 2002-05-02 Sony Corporation A polymer electrolyte, a polymer aggregating agent prepared therefrom, and a disposal of waste water

Also Published As

Publication number Publication date
GB963157A (en) 1964-07-08
CH413738A (en) 1966-05-15
NL282787A (en) 1900-01-01
BE622154A (en) 1900-01-01
FR1340257A (en) 1963-10-18
CH418991A (en) 1966-08-15
GB967607A (en) 1964-08-26

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