Studium vlivu tvaru nanovlákenného nosiče na účinnost biodegradačního procesu v hybridním bioreaktoru
Title Alternative:The influence of nanofiber carrier size and shape on the performance of the hybrid bioreactor
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Date
2012-01-01
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Technická Univerzita v Liberci
Abstract
Tato práce se zabývá biologickým čištěním odpadních vod zatížených fenoly za využití nanotechnologie jako jednoho z moderních přístupů. První část práce se zabývá rešerší, která měla za cíl najít podobný typ nosiče bakteriální populace na světě. Na základě rešerše vznikl návrh a samotná tvorba nanovlákenných nosičů biomasy a selekce nejvhodnější textilní mikrostruktury pro fluidní a fixní lože. Druhá část práce pojednává o provozu laboratorních modelů biofilmových reaktorů s vybranými typy nosičů. Reaktory byly provozovány kontinuálně a inokulovány bakteriemi rodu Rhodococcus erythropolis, které byly selektovány a adaptovány na dané znečištění na VŠCHT v Praze. Celkem byly provozovány čtyři reaktory s fluidním ložem ? tři s nově vyvinutými nanovlákennými nosiči, jeden s komerčně dostupnými nosiči AnoxKaldnes K3 pro porovnání účinnosti reaktorů. Dále byly testovány tři reaktory s fixním ložem. Výsledky ukázaly, že nosiče s nanovlákennou aplikací jsou vhodným médiem pro biologické čištění odpadních vod vykazujícím stabilní účinnost degradace polutantu a vysokou aktivitu bakteriální kultury.
This thesis deals with biological treatment of waste water containing phenols by using nanotechnology as one of the modern approach. The first part is about research which was aimed to find similar type of biofilm carrier in the world. Based on the research, novel nanofiber biomass carriers were designed and created. Afterwards the best structures for moving and fixed biofilm reactor were selected. The second part deals with laboratory experiments made on model biofilm reactors with selected carriers. These were run continuously and inoculated with bacteria Rhodococcus erythropolis, which were selected and adapted on phenolic waste water on VŠCHT in Prague. In total four moving bed reactor were run ? three with novel nanofiber carriers, one with commercially available AnoxKaldnes K3 carriers to compare the efficiency of all reactors. Finally three fixed-bed biofilm reactors were tested. The results showed that carriers with nanofiber application are suitable for biological waste water treatment with stable efficiency of pollutant degradation and high bacterial activity.
This thesis deals with biological treatment of waste water containing phenols by using nanotechnology as one of the modern approach. The first part is about research which was aimed to find similar type of biofilm carrier in the world. Based on the research, novel nanofiber biomass carriers were designed and created. Afterwards the best structures for moving and fixed biofilm reactor were selected. The second part deals with laboratory experiments made on model biofilm reactors with selected carriers. These were run continuously and inoculated with bacteria Rhodococcus erythropolis, which were selected and adapted on phenolic waste water on VŠCHT in Prague. In total four moving bed reactor were run ? three with novel nanofiber carriers, one with commercially available AnoxKaldnes K3 carriers to compare the efficiency of all reactors. Finally three fixed-bed biofilm reactors were tested. The results showed that carriers with nanofiber application are suitable for biological waste water treatment with stable efficiency of pollutant degradation and high bacterial activity.
Description
katedra: NTI; rozsah: 45 s. (51 000 znaků)
Subject(s)
biodegradace, mbbr, nanovlákenná technologie, nosiče biomasy, čištění odpadních vod, biodegradation, mbbr, nanofiber technology, biomass carriers, waste water treatment