IT1173095B - Ferro-gesso nella fabbricazione di cemento - Google Patents

Ferro-gesso nella fabbricazione di cemento

Info

Publication number
IT1173095B
IT1173095B IT19258/84A IT1925884A IT1173095B IT 1173095 B IT1173095 B IT 1173095B IT 19258/84 A IT19258/84 A IT 19258/84A IT 1925884 A IT1925884 A IT 1925884A IT 1173095 B IT1173095 B IT 1173095B
Authority
IT
Italy
Prior art keywords
plaster
iron
concrete manufacture
concrete
manufacture
Prior art date
Application number
IT19258/84A
Other languages
English (en)
Other versions
IT8419258A0 (it
Inventor
Norelius Per
Original Assignee
Cementa Ab
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 Cementa Ab filed Critical Cementa Ab
Publication of IT8419258A0 publication Critical patent/IT8419258A0/it
Application granted granted Critical
Publication of IT1173095B publication Critical patent/IT1173095B/it

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
    • C04B22/0006—Waste inorganic materials
    • 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
    • C04B11/00—Calcium sulfate 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
    • 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
    • C04B7/00—Hydraulic cements
    • C04B7/22—Iron ore cements ; Iron rich cements, e.g. Ferrari cements, Kühl 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
IT19258/84A 1983-01-20 1984-01-20 Ferro-gesso nella fabbricazione di cemento IT1173095B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8300283 1983-01-20

Publications (2)

Publication Number Publication Date
IT8419258A0 IT8419258A0 (it) 1984-01-20
IT1173095B true IT1173095B (it) 1987-06-18

Family

ID=20349686

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19258/84A IT1173095B (it) 1983-01-20 1984-01-20 Ferro-gesso nella fabbricazione di cemento

Country Status (10)

Country Link
EP (1) EP0133434A1 (it)
KR (1) KR840007392A (it)
AU (1) AU2434284A (it)
DD (1) DD217503A5 (it)
GR (1) GR79711B (it)
IT (1) IT1173095B (it)
PL (1) PL245835A1 (it)
RO (1) RO90804B (it)
WO (1) WO1984002900A1 (it)
YU (1) YU9684A (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SK282086B6 (sk) 1999-10-12 2001-10-08 Pova�Sk� Cement�Re�, A. S. Spôsob výroby cementu so zníženým obsahom chrómu
ATE294148T1 (de) * 2003-01-25 2005-05-15 Alexander Kehrmann Chromatreduziertes hydraulisches bindemittel
DE10332530A1 (de) † 2003-07-17 2005-02-10 Kerr-Mcgee Pigments Gmbh Verfahren zur Reduktion des löslichen Chromatgehaltes in Zement sowie eine Zubereitung aus Zement und wasserlöslichen Metallsulfaten
KR101135941B1 (ko) 2003-11-21 2012-04-24 더블유.알. 그레이스 앤드 캄파니-콘. 황산염이 분산된 크롬산염 환원제
DE50303867D1 (de) * 2003-12-12 2006-07-27 Kehrmann Alexander Hydraulisches Bindemittel
WO2005076858A2 (en) * 2004-02-04 2005-08-25 W.R. Grace & Co.-Conn. Liquid additive for intergrinding cement
CZ300050B6 (cs) * 2005-09-30 2009-01-21 Peringer@František Zpusob úpravy manipulacních vlastností heptahydratovaného síranu železnatého, zejména snížení jeho hygroskopických vlastností
ES2316283B1 (es) * 2007-05-31 2010-02-05 Fertisac, S.L. Procedimiento de fabricacion de sulfato ferroso granulado como aditivo para cementeras.
US8076175B2 (en) 2008-02-25 2011-12-13 Suniva, Inc. Method for making solar cell having crystalline silicon P-N homojunction and amorphous silicon heterojunctions for surface passivation
US7717999B1 (en) 2008-12-24 2010-05-18 The National Titanium Dioxide, Co., Ltd. (Cristal) Titanium production waste byproduct as partial cement replacement
CN111099849A (zh) * 2019-12-26 2020-05-05 安徽迪诺环保新材料科技有限公司 一种钛石膏建筑水泥砂浆及其制备方法
CN111807749B (zh) * 2020-06-11 2022-04-12 内蒙古同佳技术发展有限公司 一种六价铬还原剂及其制备方法
CN113060948A (zh) * 2021-04-01 2021-07-02 重庆康尼睿能商贸有限公司 一种水泥生料及水泥的制备方法
CN113072318B (zh) * 2021-04-25 2023-04-07 湖北新洋丰新型建材科技有限公司 一种球状磷石膏及其制备方法和应用

Family Cites Families (4)

* 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
US3425892A (en) * 1965-10-22 1969-02-04 Grace W R & Co Cement set retarder
IS1443B6 (is) * 1980-12-17 1990-12-14 Aalborg Portland A/S thurr sementsblanda
AU2260183A (en) * 1982-11-17 1984-06-04 Aalborg Portland-Cement-Fabrik Aktieselskabet A method of improving the properties of a powder

Also Published As

Publication number Publication date
RO90804A (ro) 1987-01-30
PL245835A1 (en) 1985-01-30
EP0133434A1 (en) 1985-02-27
DD217503A5 (de) 1985-01-16
KR840007392A (ko) 1984-12-07
RO90804B (ro) 1987-01-31
IT8419258A0 (it) 1984-01-20
AU2434284A (en) 1984-08-15
YU9684A (en) 1986-08-31
WO1984002900A1 (en) 1984-08-02
GR79711B (it) 1984-10-31

Similar Documents

Publication Publication Date Title
FI833783A (fi) Finfoerdelad dialytisk kiseldioxid
ATA21583A (de) Baustein
IT1174035B (it) Blocco di allacciamento
DE3472917D1 (de) Extrusion die
IT1173095B (it) Ferro-gesso nella fabbricazione di cemento
ES536307A0 (es) Mejoras en la construccion de maquinas dinamoelectricas
IT9053017V0 (it) Strutture controvento
DE3469280D1 (de) Extrusion die
IT1209610B (it) Betoniera per calcestruzzo preconfezionato.
IT8023325V0 (it) Stampo composito usato nella fabbricazione di soffitti in calcestruzzo.
ES520277A0 (es) Perfeccionamientos introducidos en la construccion de transportadores-dosificadores.
AT378401B (de) Gebaeude
IT1152264B (it) Perfezionamenti nella n-alchilazione di nitroimmidazoli
IT1179621B (it) Perfezionamento nella macchina spandiconcimi di ridotta portata
KR840004265U (ko) 타일
IT1191240B (it) Perfezionamenti nella macchina impastatrice per calcestruzzo
PT7314U (pt) Perfil estrutural em fibrocimento
IT214301Z2 (it) Perfezionamenti nella costruzione di fotopolimerizzatori
SE8302777D0 (sv) Hallarorgan
AR229969A1 (es) Bloque-teja para techos
IT8319402V0 (it) Togli pietre
SE8306776D0 (sv) Byggblock
KR830002365U (ko) 장식용 콘크리트 핀
IT8152412V0 (it) Lampada in cemento
KR850002723U (ko) 철근 받침대