DD217503A5 - Ferrogips bei der herstellung von zement - Google Patents
Ferrogips bei der herstellung von zement Download PDFInfo
- Publication number
- DD217503A5 DD217503A5 DD84259515A DD25951584A DD217503A5 DD 217503 A5 DD217503 A5 DD 217503A5 DD 84259515 A DD84259515 A DD 84259515A DD 25951584 A DD25951584 A DD 25951584A DD 217503 A5 DD217503 A5 DD 217503A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- cement
- ferrogips
- gypsum
- sulfate
- content
- Prior art date
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 or 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 or 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8300283 | 1983-01-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD217503A5 true DD217503A5 (de) | 1985-01-16 |
Family
ID=20349686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD84259515A DD217503A5 (de) | 1983-01-20 | 1984-01-20 | Ferrogips bei der herstellung von zement |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0133434A1 (is") |
KR (1) | KR840007392A (is") |
AU (1) | AU2434284A (is") |
DD (1) | DD217503A5 (is") |
GR (1) | GR79711B (is") |
IT (1) | IT1173095B (is") |
PL (1) | PL245835A1 (is") |
RO (1) | RO90804B (is") |
WO (1) | WO1984002900A1 (is") |
YU (1) | YU9684A (is") |
Families Citing this family (15)
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 |
WO2005056860A2 (en) * | 2003-11-21 | 2005-06-23 | W. R. Grace & Co.-Conn | Sulfate dispersion chromate reducer |
EP1544182B2 (de) * | 2003-12-12 | 2016-04-06 | Kehrmann Alexander | Hydraulisches Bindemittel |
CA2553659A1 (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)
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 |
WO1984001942A1 (en) * | 1982-11-17 | 1984-05-24 | Aalborg Portland Cement | Methods of producing a dry cement mixture and a free flowing ferrous sulphate hydrate product and products prepared by the methods |
-
1984
- 1984-01-17 AU AU24342/84A patent/AU2434284A/en not_active Abandoned
- 1984-01-17 GR GR73541A patent/GR79711B/el unknown
- 1984-01-17 WO PCT/SE1984/000011 patent/WO1984002900A1/en unknown
- 1984-01-17 EP EP84900553A patent/EP0133434A1/en not_active Withdrawn
- 1984-01-20 PL PL24583584A patent/PL245835A1/xx unknown
- 1984-01-20 IT IT19258/84A patent/IT1173095B/it active
- 1984-01-20 YU YU00096/84A patent/YU9684A/xx unknown
- 1984-01-20 KR KR1019840000257A patent/KR840007392A/ko not_active Withdrawn
- 1984-01-20 DD DD84259515A patent/DD217503A5/de unknown
- 1984-09-20 RO RO115758A patent/RO90804B/ro unknown
Also Published As
Publication number | Publication date |
---|---|
YU9684A (en) | 1986-08-31 |
PL245835A1 (en) | 1985-01-30 |
RO90804A (ro) | 1987-01-30 |
EP0133434A1 (en) | 1985-02-27 |
GR79711B (is") | 1984-10-31 |
IT1173095B (it) | 1987-06-18 |
WO1984002900A1 (en) | 1984-08-02 |
RO90804B (ro) | 1987-01-31 |
AU2434284A (en) | 1984-08-15 |
KR840007392A (ko) | 1984-12-07 |
IT8419258A0 (it) | 1984-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68903482T2 (de) | Zement, verfahren zur herstellung dieses zements und verfahren zur herstellung von produkten mit diesem zement. | |
DD217503A5 (de) | Ferrogips bei der herstellung von zement | |
DE3587831T2 (de) | Verfahren zur Abdeckung von Abfalldeponien unter Anwendung eines Fullstoffs. | |
DD201882A5 (de) | Verfahren und vorrichtung zur herstellung einer trockenen zementzusammensetzung bzw.-mischung | |
DE2810993A1 (de) | Verfahren zum herstellen von gebranntem gips | |
DD212727A5 (de) | Verfahren zur verbesserung der eigenschaften eines pulvers | |
EP0109506A1 (de) | Flugasche in lagerfähiger Form und Verfahren zur Herstellung | |
DE69824775T2 (de) | Verfahren zur Behandlung von Chromoxid enthaltenden Substanzen in grossen Mengen | |
EP0500199B1 (de) | Verfahren zum Aufbereiten von kontaminierten Gewässersedimenten | |
DE2456225A1 (de) | Verfahren zur beseitigung von abwasserschlamm und dessen verwendung | |
EP0148430B1 (de) | Verfahren zur Herstellung eines wasserundurchlässigen Behälters für Deponien | |
DE10014468C2 (de) | Verfahren zur Herstellung eines Baustoffs | |
EP0226880B1 (de) | Verfahren zur Konditionierung von wasserlöslichen Sonderabfällen | |
DE3420171A1 (de) | Verfahren zur aufbereitung von pulvrigen, schlammigen oder geloesten materialien, insbesondere umweltgifte oder anderweit umweltschaedliche stoffe enthaltenden abfaellen | |
DE19936324A1 (de) | Gemisch zur Behandlung von Abfallmaterial | |
EP0467165A1 (de) | Sedimentationsstabile Feststoffsuspensionen und ihre Herstellung und Verwendung | |
DE10013664A1 (de) | Verfahren und Vorrichtung zum Granulieren von Schlämmen | |
DE679793C (de) | Verfahren zum Koernigmachen von Flotationskiesen | |
DE69503641T2 (de) | Sulfatagglomeration | |
EP1994996B1 (de) | Verfahren zum Herstellen eines dauerhaft verarbeitbaren Baustoff aus kontaminierten mineralischen Gewässersediment-oder Bodenmaterial | |
AT400540B (de) | Verfahren zur einbindung und verfestigung von abfallstoffen | |
EP1440954B1 (de) | Chromatreduziertes hydraulisches Bindemittel | |
EP0551859B1 (de) | Verfahren zum Verfestigen von Panseninhalt | |
EP2498595B1 (de) | Verfahren zur herstellung einer tierstreu | |
DE852671C (de) | Herstellung eines hydraulischen Bindemittels |