RU2005119689A - ENERGY-SAVING METHOD FOR DISPOSAL OF CALCIUM-PHOSPHOGIPSE SULPHATES AND SEDIMENTS OF CLEANING STRUCTURES WITH THE PRODUCTION OF CEMENT CLINKER AND SULFUR GAS FOR THE PRODUCTION OF SULFURIC ACID - Google Patents
ENERGY-SAVING METHOD FOR DISPOSAL OF CALCIUM-PHOSPHOGIPSE SULPHATES AND SEDIMENTS OF CLEANING STRUCTURES WITH THE PRODUCTION OF CEMENT CLINKER AND SULFUR GAS FOR THE PRODUCTION OF SULFURIC ACID Download PDFInfo
- Publication number
- RU2005119689A RU2005119689A RU2005119689/03A RU2005119689A RU2005119689A RU 2005119689 A RU2005119689 A RU 2005119689A RU 2005119689/03 A RU2005119689/03 A RU 2005119689/03A RU 2005119689 A RU2005119689 A RU 2005119689A RU 2005119689 A RU2005119689 A RU 2005119689A
- Authority
- RU
- Russia
- Prior art keywords
- production
- disposal
- calcium
- energy
- sulfuric acid
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims 4
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 239000004568 cement Substances 0.000 title claims 2
- 238000000034 method Methods 0.000 title claims 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title 1
- 238000004140 cleaning Methods 0.000 title 1
- 239000013049 sediment Substances 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 title 1
- 239000011593 sulfur Substances 0.000 title 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 title 1
- 239000010802 sludge Substances 0.000 claims 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims 2
- 238000004065 wastewater treatment Methods 0.000 claims 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
Landscapes
- Treatment Of Sludge (AREA)
- Removal Of Specific Substances (AREA)
- Processing Of Solid Wastes (AREA)
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2005119689/03A RU2296723C2 (en) | 2005-06-27 | 2005-06-27 | Power-saving method of utilization of the calcium sulfates - the phosphogypsum and the sediments of the sewage disposal plants with production of the cement clinker and the sulfur dioxide gas for production of the sulfuric acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2005119689/03A RU2296723C2 (en) | 2005-06-27 | 2005-06-27 | Power-saving method of utilization of the calcium sulfates - the phosphogypsum and the sediments of the sewage disposal plants with production of the cement clinker and the sulfur dioxide gas for production of the sulfuric acid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2005119689A true RU2005119689A (en) | 2007-01-10 |
| RU2296723C2 RU2296723C2 (en) | 2007-04-10 |
Family
ID=37760779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2005119689/03A RU2296723C2 (en) | 2005-06-27 | 2005-06-27 | Power-saving method of utilization of the calcium sulfates - the phosphogypsum and the sediments of the sewage disposal plants with production of the cement clinker and the sulfur dioxide gas for production of the sulfuric acid |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2296723C2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172582B (en) * | 2007-10-12 | 2010-08-25 | 云南云天化国际化工股份有限公司 | Method for producing sulphuric acid and cement clinker by calcium sulphate decomposition |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4608238A (en) * | 1984-07-27 | 1986-08-26 | Wilson Sr Eddie K | Process for treating phospho-gypsum waste product from wet-acid process of making phosphoric acid |
| SU1409605A1 (en) * | 1986-01-08 | 1988-07-15 | Ташкентский Политехнический Институт Им.А.Р.Бируни | Method of producing cement and sulfuric acid |
| SU1604730A1 (en) * | 1987-09-04 | 1990-11-07 | Предприятие П/Я А-1157 | Method of producing sulphur dioxide and portland cement clinker |
| US5049198A (en) * | 1988-06-10 | 1991-09-17 | Ribas Roger S | Calcium sulfate process for the coproduction of Portland cement clinker and concentrated sulfur dioxide adequate to manufacture sulfuric acid |
| RU2125542C1 (en) * | 1996-04-03 | 1999-01-27 | Николай Никифорович Дыханов | Method of reusing waste water sludges containing mixtures of heavy metal hydroxides and/or hydroxocarbonates |
-
2005
- 2005-06-27 RU RU2005119689/03A patent/RU2296723C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2296723C2 (en) | 2007-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20070628 |