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- Carlsson, BengtUppsala universitet,Uppsala University,Avdelningen för systemteknik,Reglerteknik (author)
Analyses of activated sludge processes consisting of a plug-flow reactor and a non-ideal settler
- Article/chapterEnglish2015
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- 2015
- 4 s.
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- LIBRIS-ID:oai:lup.lub.lu.se:3cc05ac9-c8a2-4231-9232-489fde22b697
- https://lup.lub.lu.se/record/3cc05ac9-c8a2-4231-9232-489fde22b697URI
- https://doi.org/10.13140/RG.2.1.1939.4164DOI
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-257699URI
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- Language:English
- Summary in:English
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Notes
- An activated sludge process (ASP) consisting of a plug-flow reactor (PFR) and a non-ideal settler is modelled and analysed. One soluble substrate component and one particulate biomass are assumed. The biomass growth rate is described by a Monod function. The settler model includes hindered settling and compression. A model describing the steady-state behaviour of the ASP is derived which constrains the settler to work with a fixed sludge blanket height in the thickening zone. The model provides new understanding for these types of ASPs and may be used for novel design schemes. The numerical example suggests that the steady-state solutions of the ASP give a one-parameter family ofsolutions, where the parameter is the recycle ratio 푟.
Subject headings and genre
- NATURVETENSKAP Matematik Matematisk analys hsv//swe
- NATURAL SCIENCES Mathematics Mathematical Analysis hsv//eng
- TEKNIK OCH TEKNOLOGIER Samhällsbyggnadsteknik Vattenteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Civil Engineering Water Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Elektroteknik och elektronik Reglerteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Electrical Engineering, Electronic Engineering, Information Engineering Control Engineering hsv//eng
- TEKNIK OCH TEKNOLOGIER Miljöbioteknik Vattenbehandling hsv//swe
- ENGINEERING AND TECHNOLOGY Environmental Biotechnology Water Treatment hsv//eng
- activated sludge process
- plug flow reactor
- settler model
Added entries (persons, corporate bodies, meetings, titles ...)
- Diehl, StefanLund University,Lunds universitet,Numerisk analys,Forskargrupper vid Lunds universitet,Partiella differentialekvationer,Matematik LTH,Matematikcentrum,Institutioner vid LTH,Lunds Tekniska Högskola,Numerical Analysis,Lund University Research Groups,Partial differential equations,Mathematics (Faculty of Engineering),Centre for Mathematical Sciences,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)math-sdi (author)
- Zambrano, JesúsUppsala universitet,Uppsala University,Avdelningen för systemteknik,Reglerteknik(Swepub:uu)jesza470 (author)
- Uppsala UniversityAvdelningen för systemteknik (creator_code:org_t)
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- In:9th IWA Symposium on Systems Analysis and Integrated Assessment (Watermatex)
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