Improvement of digested sludge quality by post-aeration

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F19%3A43919429" target="_blank" >RIV/60461373:22320/19:43919429 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Improvement of digested sludge quality by post-aeration
Original language description
Post-aeration is a technology which could change the quality of digested sludge and sludge liquor. However, little research has been carried out on the process. In this study, we investigate the effect of post-aeration on the quality of sludge digested in thermophilic or mesophilic conditions, with particular reference to the dewaterability of the sludge. Eight batch experiments were conducted under different conditions: temperature (25 °C, 36 °C), aeration regime (continuous, intermittent) and sludge retention time (2-12 days). Then a similar experiment was conducted in sequencing batch reactor system. Post-aeration slightly reduced the amount of sludge, bat in addition it did also have positive effects on total ammonia nitrogen (TAN) concentration, dissolved COD and sludge dewaterability.
Czech name
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Czech description
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Project
<a href="/en/project/TJ01000138" target="_blank" >TJ01000138: Improvement of the quality of stabilized sludge by the postaeration</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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