ZA806429B - Process for the preparation of raw mix for the production of cement and sulphuric acid - Google Patents
Process for the preparation of raw mix for the production of cement and sulphuric acidInfo
- Publication number
- ZA806429B ZA806429B ZA00806429A ZA806429A ZA806429B ZA 806429 B ZA806429 B ZA 806429B ZA 00806429 A ZA00806429 A ZA 00806429A ZA 806429 A ZA806429 A ZA 806429A ZA 806429 B ZA806429 B ZA 806429B
- Authority
- ZA
- South Africa
- Prior art keywords
- cement
- preparation
- production
- sulphuric acid
- raw mix
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title 1
- 239000004568 cement Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 235000011149 sulphuric acid Nutrition 0.000 title 1
- 239000001117 sulphuric acid Substances 0.000 title 1
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
- C04B7/02—Portland cement
- C04B7/04—Portland cement using raw materials containing gypsum, i.e. processes of the Mueller-Kuehne type
-
- 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
- C01B17/745—Preparation from sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2943429A DE2943429C2 (de) | 1979-10-26 | 1979-10-26 | Verfahren zur Herstellung von Rohmehl für das Gips-Schwefelsäureverfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA806429B true ZA806429B (en) | 1981-10-28 |
Family
ID=6084503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA00806429A ZA806429B (en) | 1979-10-26 | 1980-10-20 | Process for the preparation of raw mix for the production of cement and sulphuric acid |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4299634A (Direct) |
| JP (1) | JPS5919058B2 (Direct) |
| DD (1) | DD153675A1 (Direct) |
| DE (1) | DE2943429C2 (Direct) |
| IN (1) | IN155028B (Direct) |
| PL (1) | PL126700B1 (Direct) |
| ZA (1) | ZA806429B (Direct) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS635222Y2 (Direct) * | 1981-04-30 | 1988-02-12 | ||
| US4495162A (en) * | 1981-09-04 | 1985-01-22 | A/S Niro Atomizer | Preparation of a calcium sulfate anhydrite material of low chloride content |
| US4503018A (en) * | 1983-02-14 | 1985-03-05 | Davy Mckee Corporation | Desulfurization of phosphogypsum |
| JPS61137537A (ja) * | 1984-12-11 | 1986-06-25 | 郡司 武夫 | 自動ハタキ掃除器 |
| JPS6318946U (Direct) * | 1986-07-23 | 1988-02-08 | ||
| US4946658A (en) * | 1986-11-06 | 1990-08-07 | Florida Institute Of Phosphate Research | Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
| IT8719728A0 (it) * | 1987-03-17 | 1987-03-17 | Antonio Di Bella | Metodo di convalida di dati su biglietti e simili. |
| DE19625538B4 (de) * | 1996-06-26 | 2006-01-19 | Schwenk Zement Kg | Verfahren und Anlage zur Herstellung von Zement und Schwefelsäure |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE2461133B2 (de) * | 1974-12-23 | 1977-01-13 | Lentia GmbH, Chem. u. pharm. Erzeugnisse - Industriebedarf, 8000 München | Verfahren zur herstellung eines rohmehles fuer das gips-schwefelsaeureverfahren |
-
1979
- 1979-10-26 DE DE2943429A patent/DE2943429C2/de not_active Expired
-
1980
- 1980-10-10 IN IN744/DEL/80A patent/IN155028B/en unknown
- 1980-10-20 ZA ZA00806429A patent/ZA806429B/xx unknown
- 1980-10-21 US US06/199,219 patent/US4299634A/en not_active Expired - Lifetime
- 1980-10-23 DD DD80224718A patent/DD153675A1/de not_active IP Right Cessation
- 1980-10-23 PL PL1980227469A patent/PL126700B1/pl unknown
- 1980-10-24 JP JP55148277A patent/JPS5919058B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2943429A1 (de) | 1981-05-07 |
| US4299634A (en) | 1981-11-10 |
| PL126700B1 (en) | 1983-08-31 |
| IN155028B (Direct) | 1984-12-22 |
| JPS5919058B2 (ja) | 1984-05-02 |
| JPS5663849A (en) | 1981-05-30 |
| DE2943429C2 (de) | 1986-11-06 |
| PL227469A1 (Direct) | 1981-06-19 |
| DD153675A1 (de) | 1982-01-27 |
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