BE890558A - Procede d'emploi d'un melange de demihydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment - Google Patents
Procede d'emploi d'un melange de demihydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du cimentInfo
- Publication number
- BE890558A BE890558A BE0/206114A BE206114A BE890558A BE 890558 A BE890558 A BE 890558A BE 0/206114 A BE0/206114 A BE 0/206114A BE 206114 A BE206114 A BE 206114A BE 890558 A BE890558 A BE 890558A
- Authority
- BE
- Belgium
- Prior art keywords
- calcium
- dehydrate
- hydrate
- cement
- manufacture
- 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
- 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
-
- 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
- C04B22/143—Calcium-sulfate
- C04B22/145—Gypsum from the desulfuration of flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803037056 DE3037056A1 (de) | 1980-10-01 | 1980-10-01 | Verwendung eines gemisches aus kalziumsulfit-halbhydrat und kalziumsulfat-dihydrat fuer die herstellung von zement |
Publications (1)
Publication Number | Publication Date |
---|---|
BE890558A true BE890558A (fr) | 1982-01-18 |
Family
ID=6113333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/206114A BE890558A (fr) | 1980-10-01 | 1981-09-30 | Procede d'emploi d'un melange de demihydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5788053A (it) |
BE (1) | BE890558A (it) |
DD (1) | DD201667A5 (it) |
DE (1) | DE3037056A1 (it) |
DK (1) | DK431681A (it) |
FR (1) | FR2491054A1 (it) |
GB (1) | GB2084562B (it) |
GR (1) | GR75013B (it) |
IE (1) | IE51795B1 (it) |
IT (1) | IT1138682B (it) |
LU (1) | LU83658A1 (it) |
NL (1) | NL8104481A (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195560A (ja) * | 1983-04-21 | 1984-11-06 | 日本セメント株式会社 | コンクリ−ト製品の製造方法 |
DE3821657A1 (de) * | 1988-06-27 | 1989-12-28 | Rheine Kalkwerke Gmbh | Verfahren zum herstellen eines bindemittels und seine verwendung |
DE59005950D1 (de) * | 1989-11-20 | 1994-07-07 | Wsz Wolfener Schwefelsaeure Un | Verfahren zur herstellung von zementklinker und rückgewinnung von schwefeldioxid. |
JP4775045B2 (ja) * | 2006-03-14 | 2011-09-21 | 宇部興産株式会社 | 還元性せっこう組成物、その製造方法およびセメント系固化材と固化処理方法 |
JP7406994B2 (ja) * | 2020-01-08 | 2023-12-28 | Ube三菱セメント株式会社 | セメント組成物の製造方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3855391A (en) * | 1973-01-23 | 1974-12-17 | Dravo Corp | Sludge stabilization with gypsum |
SU563376A1 (ru) * | 1975-03-10 | 1977-06-30 | Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина | Расшир ющеес в жущее |
-
1980
- 1980-10-01 DE DE19803037056 patent/DE3037056A1/de not_active Ceased
-
1981
- 1981-09-29 DK DK431681A patent/DK431681A/da not_active Application Discontinuation
- 1981-09-29 GB GB8129302A patent/GB2084562B/en not_active Expired
- 1981-09-30 BE BE0/206114A patent/BE890558A/fr not_active IP Right Cessation
- 1981-09-30 GR GR66169A patent/GR75013B/el unknown
- 1981-09-30 FR FR8118455A patent/FR2491054A1/fr not_active Withdrawn
- 1981-09-30 LU LU83658A patent/LU83658A1/fr unknown
- 1981-10-01 JP JP56154891A patent/JPS5788053A/ja active Pending
- 1981-10-01 DD DD81233790A patent/DD201667A5/de unknown
- 1981-10-01 IT IT24262/81A patent/IT1138682B/it active
- 1981-10-01 NL NL8104481A patent/NL8104481A/nl not_active Application Discontinuation
- 1981-10-01 IE IE2280/81A patent/IE51795B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
GR75013B (it) | 1984-07-12 |
DE3037056A1 (de) | 1982-04-22 |
IT8124262A0 (it) | 1981-10-01 |
JPS5788053A (en) | 1982-06-01 |
DD201667A5 (de) | 1983-08-03 |
DK431681A (da) | 1982-04-02 |
NL8104481A (nl) | 1982-05-03 |
GB2084562B (en) | 1984-03-07 |
GB2084562A (en) | 1982-04-15 |
LU83658A1 (fr) | 1982-02-17 |
IT1138682B (it) | 1986-09-17 |
IE51795B1 (en) | 1987-04-01 |
FR2491054A1 (fr) | 1982-04-02 |
IE812280L (en) | 1982-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2456717B1 (fr) | Ciment leger et procede de cimentage a l'aide de ce ciment | |
FR2513241B1 (fr) | Procede de production d'un melange de beton contenant un ciment de cendres volantes entrainant l'air | |
BE869117A (fr) | Perfectionnements a la coulee d'articles obtenus a partir de compositions contenant du gypse calcine et du ciment portland | |
BE887325A (fr) | Procede pour la fabrication d'elements de construction du type en beton leger | |
DE3868813D1 (de) | Verfahren zum herstellen von gipsfaserplatten. | |
FR2542495B1 (fr) | Procede pour l'incorporation de boues dans du cimentÿa | |
FR2599296B1 (fr) | Procede et installation pour la fabrication d'un pneumatique a composants multiples | |
BE890558A (fr) | Procede d'emploi d'un melange de demihydrate de sulfite de calcium et de di-hydrate de sulfate de calcium dans la fabrication du ciment | |
BE822555A (fr) | Procede et appareil pour la calcination de sulfate de calcium adeux molecules d'eau | |
FR2545819B1 (fr) | Procede pour la realisation d'ouvrages en beton permeable a l'eau | |
BE850303A (fr) | Melange chaux-acide silicique et procede pour en fabriquer des materiaux de construction durcis a la vapeur d'eau | |
BE881837A (fr) | Procede de production d'un melange de sulfate de calcium hemihydrate et de sulfate de calcium dihydrate et ses applications | |
FR2540161B1 (fr) | Procede et elements pour la realisation d'un plancher de batiment en beton arme | |
RO82959A (ro) | Procedeu si instalatie pentru obtinerea cimentului | |
FR2633921B1 (fr) | Procede de traitement des cendres en terrils pour la fabrication du beton | |
FR2612176B1 (fr) | Melange pour l'obtention de beton chimiquement stable | |
FR2624047B1 (fr) | Installation bivalente pour la fabrication d'elements en beton moule | |
BE880748A (fr) | Constitution d'une lampe photo-eclair et procede pour sa fabrication | |
BE891065A (fr) | Perfectionnements a la calcination de dihydrate de sulfate de calcium | |
FR2497190B2 (fr) | Procede pour la production d'un melange anhydrite-gypse a base de sulfate de calcium dihydrate synthetique en fines particules | |
RO81068A (ro) | Procedeu pentru fabricarea bicarbonatului de sodiu si a acidului clorhidric | |
BE835710A (fr) | Appareillage pour la fabrication de pieces moulees en platre a partir de l'alpha-hemihydrate de sulfate de calcium | |
RO93606A2 (ro) | Procedeu de obtinere a cimentului de anhidrit | |
RO75774A2 (ro) | Procedeu de epurare a apelor reziduale continind cianuri si cianati | |
RO78303A2 (ro) | Procedeu de obtinere a cimentului |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: L. & C. STEINMULLER G.M.B.H. Effective date: 19860930 |