DE3882885D1 - METHOD FOR TREATING CONTAMINATED SOILS. - Google Patents

METHOD FOR TREATING CONTAMINATED SOILS.

Info

Publication number
DE3882885D1
DE3882885D1 DE8888201765T DE3882885T DE3882885D1 DE 3882885 D1 DE3882885 D1 DE 3882885D1 DE 8888201765 T DE8888201765 T DE 8888201765T DE 3882885 T DE3882885 T DE 3882885T DE 3882885 D1 DE3882885 D1 DE 3882885D1
Authority
DE
Germany
Prior art keywords
contaminated
screen
decontaminated
finer
fed
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.)
Revoked
Application number
DE8888201765T
Other languages
German (de)
Inventor
Fred Dr Cappel
Dirk Dr Hankel
Heinrich Meiler
Friedrich Rosenstock
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Priority to DE8888201765T priority Critical patent/DE3882885D1/en
Application granted granted Critical
Publication of DE3882885D1 publication Critical patent/DE3882885D1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
    • 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
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/80—Destroying solid waste or transforming solid waste into something useful or harmless involving an extraction step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Abstract

The invention concerns a process for decontaminating soil which has been contaminated with hydro-carbons, oil or heavy metal. The contaminated soil is fed to a screen which removes stones and scrap metal. The remaining contaminated material is fed into a rotating drum which has a screen at its outlet which allows the finer particles to fall onto a vibrating screen. As the material is being screened it is mixed with water and separated into fine and coarse fractions. The coarse fraction is thus decontaminated and is removed. The sludge which is removed from the finer fraction contains concentrated contaminated material and is disposed of in an appropriate manner whilst the residue of the finer fraction is thus decontaminated.
DE8888201765T 1987-10-22 1988-08-18 METHOD FOR TREATING CONTAMINATED SOILS. Revoked DE3882885D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8888201765T DE3882885D1 (en) 1987-10-22 1988-08-18 METHOD FOR TREATING CONTAMINATED SOILS.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3735788 1987-10-22
DE19883815461 DE3815461C2 (en) 1987-10-22 1988-05-06 Process for the treatment of contaminated soils
DE8888201765T DE3882885D1 (en) 1987-10-22 1988-08-18 METHOD FOR TREATING CONTAMINATED SOILS.

Publications (1)

Publication Number Publication Date
DE3882885D1 true DE3882885D1 (en) 1993-09-09

Family

ID=6338870

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19883815461 Expired - Fee Related DE3815461C2 (en) 1987-10-22 1988-05-06 Process for the treatment of contaminated soils
DE8888201765T Revoked DE3882885D1 (en) 1987-10-22 1988-08-18 METHOD FOR TREATING CONTAMINATED SOILS.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19883815461 Expired - Fee Related DE3815461C2 (en) 1987-10-22 1988-05-06 Process for the treatment of contaminated soils

Country Status (1)

Country Link
DE (2) DE3815461C2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3928427C2 (en) * 1989-08-28 1999-08-12 Ebara Germany Gmbh Method and device for cleaning material contaminated with heavy metals, in particular mercury
DE3937952A1 (en) * 1989-11-15 1991-05-16 Metallgesellschaft Ag METHOD FOR CLEANING CONTAMINATED SOILS
DE4004368A1 (en) * 1990-02-13 1991-08-14 Preussag Ag Metall Fine coke addn. to contaminated earth before washing - aids sepn. of heavy metals and hydrocarbon(s)
DE4140845C2 (en) * 1990-12-11 1996-08-29 Thyssen Altwert Umweltservice Process for cleaning contaminated floors and device for carrying out the process
DE4106922A1 (en) * 1991-03-05 1992-09-10 Bergwerksverband Gmbh METHOD FOR WORKING ON THE SOIL
DE4124212C1 (en) * 1991-07-20 1993-01-14 Guenter Dipl.-Ing. 2000 Hamburg De Kupczik Treatment of contaminated ground, sediments, slurries etc. - in a plant where wash water is sprayed into it from nozzles and then filtered
DE4319535C1 (en) * 1993-06-12 1995-02-02 Metallgesellschaft Ag Process for the treatment of contaminated soils
DE10210467B4 (en) * 2001-03-30 2005-03-03 SUC Sächsische Umweltschutz Consulting GmbH Process for the treatment of residual municipal waste

Also Published As

Publication number Publication date
DE3815461A1 (en) 1989-05-03
DE3815461C2 (en) 1997-10-23

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8330 Complete disclaimer
8331 Complete revocation
8380 Miscellaneous part iii

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