RO70971A - Procedeu de producere a fainii brute pentru fabricarea cimentului si acidului sulfuric - Google Patents
Procedeu de producere a fainii brute pentru fabricarea cimentului si acidului sulfuricInfo
- Publication number
- RO70971A RO70971A RO7584074A RO8407475A RO70971A RO 70971 A RO70971 A RO 70971A RO 7584074 A RO7584074 A RO 7584074A RO 8407475 A RO8407475 A RO 8407475A RO 70971 A RO70971 A RO 70971A
- Authority
- RO
- Romania
- Prior art keywords
- cement
- production
- sulfuric acid
- producing brown
- brown flour
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 2
- 239000004568 cement Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
-
- 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
- C04B7/02—Portland cement
- C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
-
- 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
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
- C04B7/4407—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes
Landscapes
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Disintegrating Or Milling (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Crushing And Grinding (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742461133 DE2461133B2 (de) | 1974-12-23 | 1974-12-23 | Verfahren zur herstellung eines rohmehles fuer das gips-schwefelsaeureverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO70971A true RO70971A (ro) | 1980-03-15 |
Family
ID=5934404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7584074A RO70971A (ro) | 1974-12-23 | 1975-12-01 | Procedeu de producere a fainii brute pentru fabricarea cimentului si acidului sulfuric |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4040853A (en:Method) |
| JP (1) | JPS5189526A (en:Method) |
| BE (1) | BE836958A (en:Method) |
| BG (1) | BG33003A3 (en:Method) |
| BR (1) | BR7508307A (en:Method) |
| DD (1) | DD122511A1 (en:Method) |
| DE (1) | DE2461133B2 (en:Method) |
| FR (1) | FR2295924A1 (en:Method) |
| GB (1) | GB1472677A (en:Method) |
| IL (1) | IL48648A (en:Method) |
| IT (1) | IT1061497B (en:Method) |
| NL (1) | NL7514159A (en:Method) |
| PL (1) | PL106453B1 (en:Method) |
| RO (1) | RO70971A (en:Method) |
| SU (1) | SU584754A3 (en:Method) |
| ZA (1) | ZA757655B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2943429C2 (de) * | 1979-10-26 | 1986-11-06 | Lentia GmbH Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur Herstellung von Rohmehl für das Gips-Schwefelsäureverfahren |
| US4415543A (en) * | 1980-02-12 | 1983-11-15 | Wilson Sr Eddie K | Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid |
| DE3038457C2 (de) * | 1980-10-11 | 1983-11-10 | L. & C. Steinmüller GmbH, 5270 Gummersbach | Verwendung eines Abfallproduktes aus der trockenen Rauchgasentschwefelung für die Herstellung von Flugaschezement |
| US4495162A (en) * | 1981-09-04 | 1985-01-22 | A/S Niro Atomizer | Preparation of a calcium sulfate anhydrite material of low chloride content |
| US4917732A (en) * | 1986-12-22 | 1990-04-17 | Shell Oil Company | Flyash treatment |
| DK129594A (da) * | 1994-11-11 | 1996-05-12 | Smidth & Co As F L | Fremgangsmåde til fremstilling af klinker i stationær brændingsreaktor |
| US5766339A (en) * | 1997-05-07 | 1998-06-16 | Dravo Lime Company | Process for producing cement from a flue gas desulfurization process waste product |
| US5769940A (en) * | 1997-05-07 | 1998-06-23 | Dravo Lime Company | Process for producing cement and elemental sulfur from a flue gas desulfurization waste product |
| CN1331738C (zh) * | 2000-09-01 | 2007-08-15 | 山东鲁北企业集团总公司 | 一种石膏分解工艺及装置 |
| CN101830442B (zh) * | 2010-04-27 | 2011-07-27 | 重庆三圣特种建材股份有限公司 | 一种石膏制备硫酸联产水泥的工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB929202A (en) * | 1959-09-28 | 1963-06-19 | Associated Cement Companies Lt | Improvements in or relating to cement manufacture |
| DE1671215B2 (de) * | 1966-08-23 | 1975-04-17 | Veb Stickstoffwerk Piesteritz X 4602 Wittenberg Lutherstadt-Piesteritz | Verfahren zur Herstellung von Rohmehl für die Gewinnung von Schwefelsäure und Zement aus Kalziumsulfat-Rückständen, die im Verlauf anderer Prozesse anfallen |
| GB1257008A (en:Method) * | 1970-05-19 | 1971-12-15 |
-
1974
- 1974-12-23 DE DE19742461133 patent/DE2461133B2/de not_active Ceased
-
1975
- 1975-11-25 BG BG031574A patent/BG33003A3/xx unknown
- 1975-11-26 IT IT69917/75A patent/IT1061497B/it active
- 1975-12-01 RO RO7584074A patent/RO70971A/ro unknown
- 1975-12-01 FR FR7536697A patent/FR2295924A1/fr active Granted
- 1975-12-02 GB GB4954875A patent/GB1472677A/en not_active Expired
- 1975-12-04 NL NL7514159A patent/NL7514159A/xx not_active Application Discontinuation
- 1975-12-05 ZA ZA757655A patent/ZA757655B/xx unknown
- 1975-12-11 IL IL48648A patent/IL48648A/xx unknown
- 1975-12-15 BR BR7508307*A patent/BR7508307A/pt unknown
- 1975-12-16 US US05/641,589 patent/US4040853A/en not_active Expired - Lifetime
- 1975-12-18 DD DD190293A patent/DD122511A1/xx unknown
- 1975-12-20 PL PL1975185747A patent/PL106453B1/pl unknown
- 1975-12-22 SU SU7502301520A patent/SU584754A3/ru active
- 1975-12-22 BE BE163021A patent/BE836958A/xx unknown
- 1975-12-23 JP JP50152923A patent/JPS5189526A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| SU584754A3 (ru) | 1977-12-15 |
| IT1061497B (it) | 1983-02-28 |
| BR7508307A (pt) | 1976-08-24 |
| DD122511A1 (en:Method) | 1976-10-12 |
| FR2295924B1 (en:Method) | 1980-05-23 |
| JPS5189526A (en) | 1976-08-05 |
| DE2461133A1 (de) | 1976-07-01 |
| IL48648A (en) | 1978-10-31 |
| NL7514159A (nl) | 1976-06-25 |
| BE836958A (fr) | 1976-06-22 |
| BG33003A3 (en) | 1982-11-15 |
| JPS5328454B2 (en:Method) | 1978-08-15 |
| PL106453B1 (pl) | 1979-12-31 |
| US4040853A (en) | 1977-08-09 |
| ZA757655B (en) | 1976-11-24 |
| DE2461133B2 (de) | 1977-01-13 |
| IL48648A0 (en) | 1976-02-29 |
| GB1472677A (en) | 1977-05-04 |
| FR2295924A1 (fr) | 1976-07-23 |
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