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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 PDF

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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
Application number
RU2005119689/03A
Other languages
Russian (ru)
Other versions
RU2296723C2 (en
Inventor
Владимир Федорович Рассказов (RU)
Владимир Федорович Рассказов
Сергей Михайлович Бакулин (RU)
Сергей Михайлович Бакулин
Андрей Владимирович Рассказов (RU)
Андрей Владимирович Рассказов
Original Assignee
Владимир Федорович Рассказов (RU)
Владимир Федорович Рассказов
Сергей Михайлович Бакулин (RU)
Сергей Михайлович Бакулин
Андрей Владимирович Рассказов (RU)
Андрей Владимирович Рассказов
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Владимир Федорович Рассказов (RU), Владимир Федорович Рассказов, Сергей Михайлович Бакулин (RU), Сергей Михайлович Бакулин, Андрей Владимирович Рассказов (RU), Андрей Владимирович Рассказов filed Critical Владимир Федорович Рассказов (RU)
Priority to RU2005119689/03A priority Critical patent/RU2296723C2/en
Publication of RU2005119689A publication Critical patent/RU2005119689A/en
Application granted granted Critical
Publication of RU2296723C2 publication Critical patent/RU2296723C2/en

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  • Treatment Of Sludge (AREA)
  • Removal Of Specific Substances (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (1)

Энергосберегающий способ утилизации сульфатов кальция-фосфогипса и осадков очистных сооружений биологической очистки сточных вод, отличающийся тем, что технологию утилизации проводят спеканием-сплавлением сульфатов кальция-фосфогипса с осадком очистных сооружений биологической очистки сточных вод при температуре 850-1450°C с получением цементного клинкера и сернистого газа - сырья для производства серной кислоты.An energy-saving method for the disposal of calcium sulfate-phosphogypsum sludge and sludge from biological wastewater treatment plants, characterized in that the disposal technology is carried out by sintering-fusion of calcium-phosphogypsum sulfate with sludge from biological wastewater treatment plants at a temperature of 850-1450 ° C to produce cement clinker and sulfur dioxide - raw materials for the production of sulfuric acid.
RU2005119689/03A 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 RU2296723C2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
RU2296723C2 (en) 2007-04-10

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20070628