ES2162695T3 - Procedimiento para la eliminacion de acidos sulfurosos residuales del tratamiento industrial y para la obtencion de productos estables. - Google Patents

Procedimiento para la eliminacion de acidos sulfurosos residuales del tratamiento industrial y para la obtencion de productos estables.

Info

Publication number
ES2162695T3
ES2162695T3 ES98400799T ES98400799T ES2162695T3 ES 2162695 T3 ES2162695 T3 ES 2162695T3 ES 98400799 T ES98400799 T ES 98400799T ES 98400799 T ES98400799 T ES 98400799T ES 2162695 T3 ES2162695 T3 ES 2162695T3
Authority
ES
Spain
Prior art keywords
elimination
procedure
obtaining
residual sulfur
stable products
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 - Lifetime
Application number
ES98400799T
Other languages
English (en)
Inventor
Guy Beauvent
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.)
Carrieres du Boulonnais
Original Assignee
Carrieres du Boulonnais
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 Carrieres du Boulonnais filed Critical Carrieres du Boulonnais
Application granted granted Critical
Publication of ES2162695T3 publication Critical patent/ES2162695T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C04B7/00—Hydraulic cements
    • C04B7/345—Hydraulic cements not provided for in one of the groups C04B7/02 - C04B7/34
    • C04B7/3453—Belite cements, e.g. self-disintegrating cements based on dicalciumsilicate
    • 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
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
    • C04B7/42—Active ingredients added before, or during, the burning process
    • C04B7/421—Inorganic materials
    • C04B7/425—Acids or salts thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

LA INVENCION SE REFIERE A UN METODO QUE CONSISTE EN PREPARAR, POR UNA PARTE, UN CRUDO DE CEMENTO BELITICO Y EN NEUTRALIZAR, POR OTRA PARTE, LOS ACIDOS SULFUROSOS RESIDUALES POR MEDIO DE AL MENOS FINOS ARCILLOSO-CALCAREOS QUE DE ESTE MODO SE TRANSFORMAN EN YESO; ESTE SE INCORPORA AL CRUDO DE CEMENTO BELITICO PARA REGULAR EL CONTENIDO DE SO 3 Y LAS DEMAS PROPIEDA DES FISICO-QUIMICAS.
ES98400799T 1997-04-08 1998-04-03 Procedimiento para la eliminacion de acidos sulfurosos residuales del tratamiento industrial y para la obtencion de productos estables. Expired - Lifetime ES2162695T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9704295A FR2761679B1 (fr) 1997-04-08 1997-04-08 Procede pour l'elimination d'acides sulfureux residuaires de traitement industriel et pour l'obtention de produits stables

Publications (1)

Publication Number Publication Date
ES2162695T3 true ES2162695T3 (es) 2002-01-01

Family

ID=9505652

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98400799T Expired - Lifetime ES2162695T3 (es) 1997-04-08 1998-04-03 Procedimiento para la eliminacion de acidos sulfurosos residuales del tratamiento industrial y para la obtencion de productos estables.

Country Status (8)

Country Link
US (1) US6190449B1 (es)
EP (1) EP0870738B1 (es)
CA (1) CA2232543C (es)
DE (1) DE69801178T2 (es)
ES (1) ES2162695T3 (es)
FR (1) FR2761679B1 (es)
GR (1) GR3037004T3 (es)
PT (1) PT870738E (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035432A1 (de) * 2000-07-20 2002-01-31 Kalksteinwerk Vilshofen Gmbh Kalk-Ton-Suspension
ITMI20060564A1 (it) * 2006-03-27 2007-09-28 Tonarelli S P A Procedimento per la produzione di manufatti utilizzando fanghi a base di inerti provenienti da cave
CN101905956B (zh) * 2010-07-09 2012-05-09 华南理工大学 一种利用大理石废料制备水泥复合调凝剂的方法
CN107200488B (zh) * 2017-07-21 2019-12-24 长沙紫宸科技开发有限公司 干法旋窑厂用铝电解槽炭质废料生产氟铝酸盐水泥的方法
EP3466901A1 (en) 2017-10-09 2019-04-10 HeidelbergCement AG Method for manufacturing binders hardening by hydration and carbonation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870535A (en) * 1972-01-31 1975-03-11 Iv Conversion Systems Inc Method of treating coal mining refuse
SU897739A1 (ru) * 1980-04-21 1982-01-15 Государственный Всесоюзный Научно-Исследовательский Институт Цементной Промышленности Сырьева смесь дл получени портландцементного клинкера
SU937390A1 (ru) * 1980-12-16 1982-06-23 Государственный Ордена Трудового Красного Знамени Всесоюзный Проектный И Научно-Исследовательский Институт Цементной Промышленности Сырьева смесь дл получени цементного клинкера
DE3631757A1 (de) * 1986-09-18 1988-03-31 Boelsing Friedrich Verfahren zur herstellung eines calciumsulfathaltigen festen sekundaerrohstoffes fuer die gewinnung von portlandzementklinker
GB9124353D0 (en) * 1991-11-15 1992-01-08 Albright & Wilson Immobilisation of metal contaminants from a liquid to a solid metal
FI100966B (sv) * 1995-04-21 1998-03-31 Kemira Pigments Oy Förfarande för behandling av ferrosulfat
JPH0967118A (ja) * 1995-08-28 1997-03-11 Sumitomo Metal Mining Co Ltd 硫酸廃液からの石膏の製造方法

Also Published As

Publication number Publication date
PT870738E (pt) 2002-02-28
GR3037004T3 (en) 2002-01-31
US6190449B1 (en) 2001-02-20
DE69801178T2 (de) 2002-03-14
CA2232543A1 (fr) 1998-10-08
EP0870738A1 (fr) 1998-10-14
FR2761679B1 (fr) 1999-06-18
CA2232543C (fr) 2008-01-29
FR2761679A1 (fr) 1998-10-09
EP0870738B1 (fr) 2001-07-25
DE69801178D1 (de) 2001-08-30

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