DD153675A1 - Verfahren zur herstellung von rohmehl fuer das gips-schwefelsaeureverfahren - Google Patents
Verfahren zur herstellung von rohmehl fuer das gips-schwefelsaeureverfahren Download PDFInfo
- Publication number
- DD153675A1 DD153675A1 DD80224718A DD22471880A DD153675A1 DD 153675 A1 DD153675 A1 DD 153675A1 DD 80224718 A DD80224718 A DD 80224718A DD 22471880 A DD22471880 A DD 22471880A DD 153675 A1 DD153675 A1 DD 153675A1
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- coke
- particle size
- sulfuric acid
- cement
- gypsum
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000002253 acid Substances 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 1
- 239000000571 coke Substances 0.000 claims abstract description 35
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 13
- 235000012054 meals Nutrition 0.000 claims abstract description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 229910052602 gypsum Inorganic materials 0.000 description 12
- 239000010440 gypsum Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 8
- 235000013339 cereals Nutrition 0.000 description 7
- 238000000227 grinding Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 239000011398 Portland cement Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910018516 Al—O Inorganic materials 0.000 description 1
- 229910017135 Fe—O Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 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 |
|---|---|
| DD153675A1 true DD153675A1 (de) | 1982-01-27 |
Family
ID=6084503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD80224718A DD153675A1 (de) | 1979-10-26 | 1980-10-23 | Verfahren zur herstellung von rohmehl fuer das gips-schwefelsaeureverfahren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4299634A (OSRAM) |
| JP (1) | JPS5919058B2 (OSRAM) |
| DD (1) | DD153675A1 (OSRAM) |
| DE (1) | DE2943429C2 (OSRAM) |
| IN (1) | IN155028B (OSRAM) |
| PL (1) | PL126700B1 (OSRAM) |
| ZA (1) | ZA806429B (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS635222Y2 (OSRAM) * | 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 (OSRAM) * | 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 (OSRAM) | 1984-12-22 |
| JPS5919058B2 (ja) | 1984-05-02 |
| JPS5663849A (en) | 1981-05-30 |
| DE2943429C2 (de) | 1986-11-06 |
| PL227469A1 (OSRAM) | 1981-06-19 |
| ZA806429B (en) | 1981-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |