FR3105032B1 - METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE - Google Patents

METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE Download PDF

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Publication number
FR3105032B1
FR3105032B1 FR1915469A FR1915469A FR3105032B1 FR 3105032 B1 FR3105032 B1 FR 3105032B1 FR 1915469 A FR1915469 A FR 1915469A FR 1915469 A FR1915469 A FR 1915469A FR 3105032 B1 FR3105032 B1 FR 3105032B1
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FR
France
Prior art keywords
weight
soil
mineral binder
weight relative
dry
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.)
Active
Application number
FR1915469A
Other languages
French (fr)
Other versions
FR3105032A1 (en
Inventor
Blandine Albert
Véronique Broyer
Ivan Serclerat
Vincent Meyer
Mickaël Ruiz
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.)
Holcim Technology Ltd
Original Assignee
Holcim Technology Ltd
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 Holcim Technology Ltd filed Critical Holcim Technology Ltd
Priority to FR1915469A priority Critical patent/FR3105032B1/en
Priority to PCT/EP2020/087789 priority patent/WO2021130327A1/en
Priority to EP20839098.9A priority patent/EP4081492A1/en
Publication of FR3105032A1 publication Critical patent/FR3105032A1/en
Application granted granted Critical
Publication of FR3105032B1 publication Critical patent/FR3105032B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06—Aluminous cements
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06—Aluminous cements
    • C04B28/065—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/32—Aluminous cements
    • C04B7/323—Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00—In situ
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
    • C04B2111/1075—Chromium-free or very low chromium-content materials
    • C04B2111/1081—Chromium VI, e.g. for avoiding chromium eczema
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un procédé de traitement d’un sol pollué comprenant au moins le traitement du sol avec, en poids par rapport au poids dudit sol sec : de 1,5% à 5,0% d’un premier liant minéral de type clinker sulfoalumineux bélitique de 2,0% à 5,0% de chaux, et caractérisé en ce que le sol est également traité avec un composant additionnel choisi parmi : un deuxième liant minéral différent du premier liant minéral en une teneur allant de 1,5% à 5,0% en poids par rapport au poids dudit sol sec, une alcanolamine en une teneur allant de 0,001 à 0,050% en poids par rapport au poids dudit sol sec, un agent réducteur d’un sel de chrome hexavalent en une teneur allant de 0,01 à 3,00% en poids par rapport au poids dudit sol sec, et leur(s) combinaison(s), et en ce que la chaux est ajoutée au sol pollué dans des proportions supérieures à 30% en poids par rapport au poids total en premier liant minéral, chaux et le cas échéant deuxième liant minéral.The present invention relates to a process for treating polluted soil comprising at least the treatment of the soil with, by weight relative to the weight of said dry soil: from 1.5% to 5.0% of a first mineral binder of the belitic sulphoaluminous clinker of 2.0% to 5.0% lime, and characterized in that the soil is also treated with an additional component chosen from: a second mineral binder different from the first mineral binder in a content ranging from 1.5 % to 5.0% by weight relative to the weight of said dry sol, an alkanolamine in a content ranging from 0.001 to 0.050% by weight relative to the weight of said dry sol, a reducing agent of a hexavalent chromium salt in a content ranging from 0.01 to 3.00% by weight relative to the weight of said dry soil, and their combination(s), and in that lime is added to the polluted soil in proportions greater than 30% by weight relative to the total weight of first mineral binder, lime and, where appropriate, second mineral binder.

FR1915469A 2019-12-23 2019-12-23 METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE Active FR3105032B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR1915469A FR3105032B1 (en) 2019-12-23 2019-12-23 METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE
PCT/EP2020/087789 WO2021130327A1 (en) 2019-12-23 2020-12-23 Method for treating soil contaminated by sulphates
EP20839098.9A EP4081492A1 (en) 2019-12-23 2020-12-23 Method for treating soil contaminated by sulphates

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1915469 2019-12-23
FR1915469A FR3105032B1 (en) 2019-12-23 2019-12-23 METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE

Publications (2)

Publication Number Publication Date
FR3105032A1 FR3105032A1 (en) 2021-06-25
FR3105032B1 true FR3105032B1 (en) 2022-01-07

Family

ID=70804665

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1915469A Active FR3105032B1 (en) 2019-12-23 2019-12-23 METHOD FOR TREATMENT OF SOIL POLLUTED BY SULFATE

Country Status (3)

Country Link
EP (1) EP4081492A1 (en)
FR (1) FR3105032B1 (en)
WO (1) WO2021130327A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000086322A (en) * 1998-09-17 2000-03-28 Taiheiyo Cement Corp Hexavalent chromium leach reducing agent for hydraulic material, and method for reducing hexavalent chromium leach
JP2001342625A (en) * 2000-03-30 2001-12-14 Maeda Seikan Kk Preboring construction method preventing elution of chromium
EP1923370A1 (en) * 2006-11-02 2008-05-21 Mapei S.p.A. Additives and methods for reducing hexavalent chromium in cement and cement based materials
EP2105419A1 (en) * 2008-03-28 2009-09-30 Lafarge Additives for cement
FR2949112B1 (en) * 2009-08-17 2012-10-26 Lafarge Sa ADDITIVES FOR HYDRAULIC BINDER BASED ON CLINKER BELITE - CALCIUM - SULPHOALUMINOUS - FERRITE (BCSAF)
AU2012321073B2 (en) 2011-11-17 2015-02-26 Med-Life Discoveries Lp Methods for the synthesis of plasmalogens and plasmalogen derivatives, and therapeutic uses thereof
FR2990431B1 (en) * 2012-05-14 2014-10-24 Francais Ciments NEW HYDRAULIC BINDER BASED ON CLINKER SULFO-ALUMINUM AND ITS USE IN A PROCESS FOR TREATING POLLUTED SOIL
FR2990363B1 (en) 2012-05-14 2014-06-06 Francais Ciments PROCESS FOR TREATING POLLUTED SOIL WITH A SULFO-ALUMINUM CLINKER HYDRAULIC BINDER AND USE THEREOF FOR STABILIZING POLLUTED SOIL
FR3056930B1 (en) * 2016-10-04 2020-09-25 Holcim Technology Ltd PROCESS FOR TREATMENT OF SOIL POLLUTED BY A HYDRAULIC BINDER WITH MAYENITE PHASE
JP6498716B2 (en) * 2017-04-07 2019-04-10 花王株式会社 Ground improvement method
FR3077998B1 (en) 2018-02-20 2022-05-27 Vicat USE OF A HYDRAULIC BINDER-BASED COMPOSITION AS PART OF A PROCESS FOR INERTING POLLUTED SOIL

Also Published As

Publication number Publication date
WO2021130327A1 (en) 2021-07-01
EP4081492A1 (en) 2022-11-02
FR3105032A1 (en) 2021-06-25

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