Improved separation of bacteria with a dual flocculant HYDROCOL super(TM) system

Improved separation of bacteria with a dual flocculant HYDROCOL super(TM) system

Polyelectrolyte flocculants are inefficient at flocculating Z. mobilis and B. subtilis in a complex medium, when administered singly or when combined with an oppositely charged polymer. However, when polymer dosing is followed by bentonite addition, particularly when chitosan constitutes the soluble...

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Veröffentlicht in:Biotechnology techniques 1990-01, Vol.4 (4), p.233-236
Hauptverfasser: Hughes, J, Ramsden, D K, Symes, K C, Williams, P J
Format: Artikel
Sprache:eng
Schlagworte:
Bacillus subtilis
bentonite
chitosan
flocculation
polyelectrolytes
separation techniques
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Zusammenfassung:Polyelectrolyte flocculants are inefficient at flocculating Z. mobilis and B. subtilis in a complex medium, when administered singly or when combined with an oppositely charged polymer. However, when polymer dosing is followed by bentonite addition, particularly when chitosan constitutes the soluble polymer, effective flocculation occurs. High broth clarities can be attributed to chitosan interaction with cells, extracellular polymer and bentonite.
ISSN:0951-208X