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  • 1 Budapest University of Technology and Economics Department of Sanitary and Environmental Engineering Műegyetem rkp. 3 H-1111 Budapest Hungary
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In biological wastewater treatment technologies the majority of the systems are based on activated sludge technology. In these systems the population structure and dynamics of the activated sludge microbial community is largely governed by indirect regulatory mechanisms, such as the aerated/non-aerated reactors, reactor configurations and sludge recycling ratios. The development of polymer gels provides opportunities to fabricate microscopic size bioreactors for wastewater treatment. PVA-PAS (polyvinyl alcohol- polyacrylic acid copolymer) polymers proved to be effective. The primary object of our analyses is to study the nanotechnologically constructed micro-reactors in MBR systems. In this paper a case study is presented where the operational problems of artificial flocs in an MBR system were investigated.

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