ES8504646A1 - Un metodo de producir una mezcla de cemento seco - Google Patents

Un metodo de producir una mezcla de cemento seco

Info

Publication number
ES8504646A1
ES8504646A1 ES527312A ES527312A ES8504646A1 ES 8504646 A1 ES8504646 A1 ES 8504646A1 ES 527312 A ES527312 A ES 527312A ES 527312 A ES527312 A ES 527312A ES 8504646 A1 ES8504646 A1 ES 8504646A1
Authority
ES
Spain
Prior art keywords
methods
ferrous sulphate
dry cement
producing
free flowing
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
Application number
ES527312A
Other languages
English (en)
Other versions
ES527312A0 (es
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.)
Aalborg Portland AS
Original Assignee
Aalborg Portland AS
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 Aalborg Portland AS filed Critical Aalborg Portland AS
Publication of ES8504646A1 publication Critical patent/ES8504646A1/es
Publication of ES527312A0 publication Critical patent/ES527312A0/es
Granted 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/149—Iron-sulfates
    • 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
    • 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
    • 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)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Ceramic Products (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

METODO PARA PRODUCIR UNA MEZCLA DE CEMENTO SECO.COMPRENDE TRITURAR UN MATERIAL DE PARTIDA QUE INCLUYE UN CLINKER AGLUTINANTE DE CEMENTO QUE TIENE UN CONTENIDO DE CROMATO SOLUBLE EN AGUA Y AN/ADIR UN AGENTE REDUCTOR Y/O NEUTRALIZANTE DE CROMATO EN UN ESTADO NO DISUELTO Y EN UNA CANTIDAD DE 0,01 - 10 EN PESO DEL MATERIAL DE PARTIDA, REALIZANDOSE LA ADICION ANTES, DURANTE O DESPUES DEL PROCEDIMIENTO DE TRITURACION CON EL FIN DE ELIMINAR O REDUCIR SUSTANCIALMENTE DICHO CROMATO SOLUBLE EN AGUA. DICHO AGENTE REDUCTOR Y/O NEUTRALIZANTE ES UN PRODUCTO DE SULFATO FERROSO HIDRATADO CON UNA ALTA RELACION ENTRE ION FERROSO Y HIERRO TOTAL Y UNA BAJA CORROSIVIDAD.
ES527312A 1982-11-17 1983-11-16 Un metodo de producir una mezcla de cemento seco Granted ES527312A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK512582 1982-11-17

Publications (2)

Publication Number Publication Date
ES8504646A1 true ES8504646A1 (es) 1985-05-01
ES527312A0 ES527312A0 (es) 1985-05-01

Family

ID=8139654

Family Applications (2)

Application Number Title Priority Date Filing Date
ES527312A Granted ES527312A0 (es) 1982-11-17 1983-11-16 Un metodo de producir una mezcla de cemento seco
ES533929A Granted ES533929A0 (es) 1982-11-17 1984-07-02 Un metodo para preparar un producto de sulfato ferroso hidratado

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES533929A Granted ES533929A0 (es) 1982-11-17 1984-07-02 Un metodo para preparar un producto de sulfato ferroso hidratado

Country Status (9)

Country Link
EP (1) EP0125267A1 (es)
JP (1) JPS59501825A (es)
AU (1) AU2260183A (es)
DD (1) DD212727A5 (es)
ES (2) ES527312A0 (es)
FI (1) FI842873A0 (es)
NO (1) NO842906L (es)
PL (1) PL244609A1 (es)
WO (1) WO1984001942A1 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR79711B (es) * 1983-01-20 1984-10-31 Cementa Ab
US5268159A (en) * 1990-01-30 1993-12-07 Bayer Aktiengesellschaft Process for the production of storable, free-flowing hydrated ferrous sulfate
FR2690433B1 (fr) * 1992-04-24 1994-07-08 Socadour Sulfate ferreux hydrate fluide, et procede pour fluidiser des sulfates metalliques polyhydrates.
DE4321077A1 (de) 1993-06-24 1995-01-05 Dyckerhoff Ag Verfahren zur Depression der Allergien verursachenden Wirkung von wasserlöslichem Cr·V··I· in Zementen und/oder zementhaltigen Zubereitungen
FI100966B (sv) * 1995-04-21 1998-03-31 Kemira Pigments Oy Förfarande för behandling av ferrosulfat
SK282086B6 (sk) 1999-10-12 2001-10-08 Pova�Sk� Cement�Re�, A. S. Spôsob výroby cementu so zníženým obsahom chrómu
DE10157129C2 (de) * 2001-11-21 2003-10-30 Ferro Duo Gmbh Verfahren zur Herstellung eines hydraulischen Bindemittels
DE10257879B3 (de) * 2002-12-11 2004-02-26 Dyckerhoff Ag Zusatzmittel und dessen Verwendung
ATE294148T1 (de) * 2003-01-25 2005-05-15 Alexander Kehrmann Chromatreduziertes hydraulisches bindemittel
DE20321107U1 (de) † 2003-07-17 2005-12-15 Kerr-Mcgee Pigments Gmbh Zubereitung zur Reduktion des löslichen Chromatgehaltes in Zement
EP1544182B2 (de) † 2003-12-12 2016-04-06 Kehrmann Alexander Hydraulisches Bindemittel
EP1580175A1 (de) * 2004-03-23 2005-09-28 Alexander Kehrmann Zuschlagsstoff für Beton
DE102004026695A1 (de) * 2004-05-28 2006-01-26 Sachtleben Chemie Gmbh Rieselfähiges, agglomeriertes Eisensulfat mit Trägermaterial, Verfahren zu dessen Herstellung und dessen Verwendung
CZ300050B6 (cs) * 2005-09-30 2009-01-21 Peringer@František Zpusob úpravy manipulacních vlastností heptahydratovaného síranu železnatého, zejména snížení jeho hygroskopických vlastností
WO2008000855A1 (es) * 2006-06-27 2008-01-03 Aditivos Del Cemento, S.L. Procedimiento de obtencion de un aditivo para el cemento y aditivo asi conseguido
ES2316283B1 (es) * 2007-05-31 2010-02-05 Fertisac, S.L. Procedimiento de fabricacion de sulfato ferroso granulado como aditivo para cementeras.
WO2009004101A1 (es) * 2007-07-02 2009-01-08 Fertinagro Nutrienetes S.L. Procedimiento de compactación de composiciones con base a sulfato ferroso heptahidratado y producto así obtenido
GB201411204D0 (en) * 2014-06-24 2014-08-06 Tioxide Europe Ltd Process for producing ferrous sulphate
EP3372574B1 (en) * 2015-09-05 2022-08-31 Frantisek Peringer Stabilising ferrous sulphate for reducing chromium 6 in cement and for applications in animal food, horticulture, agriculture with improved properties and method to produce it
CN114644477B (zh) * 2022-04-28 2023-05-30 四川省绵竹澳东水泥有限责任公司 一种水泥六价铬还原剂及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2307270A (en) * 1940-08-04 1943-01-05 Mellon Inst Of Ind Res Building material
US3836676A (en) * 1971-06-29 1974-09-17 C Komakine Feedstuff for fowl,fish and domestic animals
DE2407203C3 (de) * 1974-02-15 1979-03-15 Kronos Titan-Gmbh, 5090 Leverkusen Verfahren zur Herstellung von rieselfähigem EisenOQ-sulfat-Heptahydrat
IS1443B6 (is) * 1980-12-17 1990-12-14 Aalborg Portland A/S thurr sementsblanda
FR2507173B1 (fr) * 1981-06-09 1985-07-05 Josse Marc Procede de fluidisation de sulfate de fer et ledit produit fluidise

Also Published As

Publication number Publication date
DD212727A5 (de) 1984-08-22
WO1984001942A1 (en) 1984-05-24
JPS59501825A (ja) 1984-11-01
ES527312A0 (es) 1985-05-01
FI842873A (fi) 1984-07-17
NO842906L (no) 1984-07-16
ES8507422A1 (es) 1985-09-01
ES533929A0 (es) 1985-09-01
PL244609A1 (en) 1985-01-30
AU2260183A (en) 1984-06-04
FI842873A0 (fi) 1984-07-17
EP0125267A1 (en) 1984-11-21

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19971201