Sepiolite as carrier of the phosphate-accumulating bacteria Acinetobacter junii

Sepiolite in its original (OS) and purified form (PS) was tested as a carrier of the phosphate-accumulating bacteria Acinetobacter junii. The numbers of A. junii immobilized onto sepiolite were 5.57 and 8.12 × 10 9 CFU g − 1 for OS and PS, respectively. The immobilized bacteria were metabolically ac...

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Veröffentlicht in:Applied clay science 2010-12, Vol.50 (4), p.582-587
Hauptverfasser: Hrenovic, J., Tibljas, D., Ivankovic, T., Kovacevic, D., Sekovanic, L.
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container_end_page 587
container_issue 4
container_start_page 582
container_title Applied clay science
container_volume 50
creator Hrenovic, J.
Tibljas, D.
Ivankovic, T.
Kovacevic, D.
Sekovanic, L.
description Sepiolite in its original (OS) and purified form (PS) was tested as a carrier of the phosphate-accumulating bacteria Acinetobacter junii. The numbers of A. junii immobilized onto sepiolite were 5.57 and 8.12 × 10 9 CFU g − 1 for OS and PS, respectively. The immobilized bacteria were metabolically active and removed phosphate from synthetic wastewater. Better phosphate removal in reactors with immobilized bacteria when compared to reactors with planktonic bacteria was mainly due to the increased bacterial biomass and at a lower extent due to the increased bacterial phosphate-uptake rates. The bioaugmentation of an activated sludge with A. junii immobilized on OS significantly improved the phosphate removal from synthetic wastewater when compared to a conventional activated sludge. ► Sepiolite immobilizes bacteria ► Bacteria immobilized on sepiolite are metabolically active ► Sepiolite is promising material for bioaugmentation of an activated sludge
doi_str_mv 10.1016/j.clay.2010.10.024
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subjects Acinetobacter junii
Activated sludge
Bacteria
Earth sciences
Earth, ocean, space
Exact sciences and technology
Immobilization
Mineralogy
Operating systems
Phosphates
Polystyrene resins
Reactors
Sepiolite
Silicates
Waste water
Wastewater
title Sepiolite as carrier of the phosphate-accumulating bacteria Acinetobacter junii
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