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RU2075198C1 - METHOD FOR DISINFECTING WASTEWATER SEDIMENTS - Google Patents

METHOD FOR DISINFECTING WASTEWATER SEDIMENTS Download PDF

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Publication number
RU2075198C1
RU2075198C1 RU95102205/26A RU95102205A RU2075198C1 RU 2075198 C1 RU2075198 C1 RU 2075198C1 RU 95102205/26 A RU95102205/26 A RU 95102205/26A RU 95102205 A RU95102205 A RU 95102205A RU 2075198 C1 RU2075198 C1 RU 2075198C1
Authority
RU
Russia
Prior art keywords
heat treatment
temperature
flue gases
cooled
layer
Prior art date
Application number
RU95102205/26A
Other languages
Russian (ru)
Other versions
RU95102205A (en
Inventor
Н.Ф. Калинин
Л.А. Пирог
Н.М. Рябчиков
К.И. Фролов
В.А. Крылов
В.М. Беляев
Н.А. Щеколдин
В.В. Казанцев
Original Assignee
Акционерное общество открытого типа "ЛУКойл-Пермнефтеоргсинтез"
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.)
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Application filed by Акционерное общество открытого типа "ЛУКойл-Пермнефтеоргсинтез" filed Critical Акционерное общество открытого типа "ЛУКойл-Пермнефтеоргсинтез"
Priority to RU95102205/26A priority Critical patent/RU2075198C1/en
Publication of RU95102205A publication Critical patent/RU95102205A/en
Application granted granted Critical
Publication of RU2075198C1 publication Critical patent/RU2075198C1/en

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  • Treatment Of Sludge (AREA)
  • Treating Waste Gases (AREA)

Abstract

1. Способ обеззараживания осадков сточных вод, включающий предварительное обезвоживание, гранулирование, термообработку и очистку газовых выбросов, отличающийся тем, что термообработку ведут в псевдоожиженном слое в две стадии при использовании в качестве теплоносителя топочных газов, подаваемых с температурой 200 - 400С, при этом на первой стадии поддерживают температуру в слое 60 - 85С, а на второй - 120 - 140C, затем полученные гранулы охлаждают.2. Способ по п.1, отличающийся тем, что топочные газы на первой стадии термообработки подают со скоростью 5 - 12 м/сек.3. Способ по п.1, отличающийся тем, что для регулирования температуры в слое используют охлажденные и обеспыленные топочные газы.1. A method of disinfecting sewage sludge, including preliminary dehydration, granulation, heat treatment and purification of gas emissions, characterized in that the heat treatment is carried out in a fluidized bed in two stages when using flue gases supplied with a temperature of 200 - 400 ° C as a coolant, while the first stage maintain the temperature in the layer 60 - 85C, and in the second - 120 - 140C, then the obtained granules are cooled. 2. The method according to claim 1, characterized in that the flue gases in the first stage of heat treatment are supplied at a speed of 5-12 m / s. The method according to claim 1, characterized in that to control the temperature in the layer using cooled and dedusted flue gases.

RU95102205/26A 1995-02-15 1995-02-15 METHOD FOR DISINFECTING WASTEWATER SEDIMENTS RU2075198C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU95102205/26A RU2075198C1 (en) 1995-02-15 1995-02-15 METHOD FOR DISINFECTING WASTEWATER SEDIMENTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU95102205/26A RU2075198C1 (en) 1995-02-15 1995-02-15 METHOD FOR DISINFECTING WASTEWATER SEDIMENTS

Publications (2)

Publication Number Publication Date
RU95102205A RU95102205A (en) 1996-04-27
RU2075198C1 true RU2075198C1 (en) 1997-03-10

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ID=48434533

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95102205/26A RU2075198C1 (en) 1995-02-15 1995-02-15 METHOD FOR DISINFECTING WASTEWATER SEDIMENTS

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RU (1) RU2075198C1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8465652B2 (en) 2009-12-25 2013-06-18 Twin Trading Company Method for disinfecting sewage sludge
RU172829U1 (en) * 2016-03-09 2017-07-26 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Device for decontamination and disposal of sludge from sewage treatment plants

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8465652B2 (en) 2009-12-25 2013-06-18 Twin Trading Company Method for disinfecting sewage sludge
RU172829U1 (en) * 2016-03-09 2017-07-26 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Device for decontamination and disposal of sludge from sewage treatment plants

Also Published As

Publication number Publication date
RU95102205A (en) 1996-04-27

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

Effective date: 20130216