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CH657604A5 Expired / Lapsed CH ⏱️ 0.0 years remaining

Process for the anaerobic treatment of sewage sludge and apparatus for carrying out the process

Assignee: Buchs Umwelttech Utb
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Filing: 1982-08-06
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Granted: —
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Expires: 2002-08-06
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Abstract

Abstract For anaerobic treatment of sewage sludge, it is hydrolysed at about 60 DEG to 70 DEG C in a first stage (11), acidified at about 30 DEG C with a fixed bed reactor (39) in a second stage, and subjected to an acetogenic and methanogenic digestion at about 35 DEG to 37 DEG C in a third stage (43). The sludge is circulated during the acidification. <IMAGE>

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Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-09 09:19
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; C02F3/286; C02F3/2806; C02F3/30; Y; Y02; Y02E; Y02E50/00; Y02E50/30

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