RU2000114529A - METHOD OF SEALING THE ACTIVE Sludge - Google Patents

METHOD OF SEALING THE ACTIVE Sludge

Info

Publication number
RU2000114529A
RU2000114529A RU2000114529/12A RU2000114529A RU2000114529A RU 2000114529 A RU2000114529 A RU 2000114529A RU 2000114529/12 A RU2000114529/12 A RU 2000114529/12A RU 2000114529 A RU2000114529 A RU 2000114529A RU 2000114529 A RU2000114529 A RU 2000114529A
Authority
RU
Russia
Prior art keywords
sealing
active sludge
flocculant
coagulant
sludge
Prior art date
Application number
RU2000114529/12A
Other languages
Russian (ru)
Inventor
Ефим Дмитриевич Гельфанд
Оксана Анатольевна Жвакина
Original Assignee
Ефим Дмитриевич Гельфанд
Filing date
Publication date
Application filed by Ефим Дмитриевич Гельфанд filed Critical Ефим Дмитриевич Гельфанд
Publication of RU2000114529A publication Critical patent/RU2000114529A/en

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Claims (1)

Способ уплотнения активного ила после вторичных отстойников станций биологической очистки сточных вод путем естественного отстаивания, отличающийся тем, что перед отстаиванием в суспензию активного ила вводят измельченный каменный уголь, содержащий частицы размером менее 1 мм, а также флокулянт или коагулянт при следующих соотношениях, мас. % к с. в. ила:
Уголь - от 14,5 до 580
Флокулянт - от 0,02 до 0,05
Коагулянт - от 2 до 3The method of compaction of activated sludge after secondary settling tanks of biological wastewater treatment plants by natural sedimentation, characterized in that before settling in the suspension of activated sludge, crushed coal containing particles less than 1 mm in size is introduced, as well as a flocculant or coagulant in the following ratios, wt. % to s in. sludge:
Coal - from 14.5 to 580
Flocculant - from 0.02 to 0.05
Coagulant - from 2 to 3
RU2000114529/12A 2000-06-06 METHOD OF SEALING THE ACTIVE Sludge RU2000114529A (en)

Publications (1)

Publication Number Publication Date
RU2000114529A true RU2000114529A (en) 2002-05-10

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