High-Rate Aerobic Treatment of Winery Wastewater Using Bioreactors with Free and Immobilized Activated Sludge

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概要

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• COD (chemical oxygen demand) removal rate and efficiency of winery wastewater (WW) aerobic treatments were evaluated in an air-bubble column bioreactor using self-adapted microbial populations either free or immobilized on polyurethane particles and in a packed-bed bioreactor immobilized on Raschig rings. The bioreactors were fed continuously for up to 12 months using WW of different origins and with different pollution loads (COD range, 0.8-11.0 kg・m^<-3>): the maximum loading rate was approx. 8.8 kg-COD m^<-3>・d^<-1>. The highest COD removal rate (6.6 kg・m^<-3>d^<-1>) was obtained with free activated sludge in the bubble column bioreactor; treatment efficiency and hydraulic retention time were >90% and approx. 0.8 d, respectively. The microbial populations in the three reactors were characterized.

• 社団法人日本生物工学会の論文
• 2000-10-25

著者

• Federici Federico

  Dipartimento Di Agrobiologia E Agrochimica University Of Tsucia

• Federici Federico

  Dipartimento Agrobiologia E Agrochimica University Of Tuscia

• PETRUCCIOLI MAURIZIO

  Dipartimento di Agrobiologia e Agrochimica, University of Tsucia

• DUARTE JOSE

  Departamento de Biotecnologia, Azinhaga dos Lameiros a Estrada do Paco do Lumiar

• Petruccioli Maurizio

  Dipartimento Di Agrobiologia E Agrochimica University Of Tsucia

• Duarte Jose

  Departamento De Biotecnologia Azinhaga Dos Lameiros A Estrada Do Paco Do Lumiar

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• High-Rate Aerobic Treatment of Winery Wastewater Using Bioreactors with Free and Immobilized Activated Sludge
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