March 29, 2018

Download PDF by Despo Fatta-Kassinos, Dionysios D. Dionysiou, Klaus Kümmerer: Advanced Treatment Technologies for Urban Wastewater Reuse

By Despo Fatta-Kassinos, Dionysios D. Dionysiou, Klaus Kümmerer

ISBN-10: 331923885X

ISBN-13: 9783319238852

ISBN-10: 3319238868

ISBN-13: 9783319238869

This quantity bargains an in depth evaluation of presently utilized and proven wastewater remedy applied sciences and the mixing of complicated procedures to take away hint natural contaminants and microorganisms. It discusses the potential for stronger organic therapy to provide effluent appropriate for reuse, new techniques for city wastewater disinfection and the aid of antibiotic resistant micro organism, in addition to the impression of complex oxidation techniques on wastewater microbiome and chemical contaminants. It additionally provides membrane bioreactors, relocating mattress bioreactors, gentle and sun pushed applied sciences, ozonation and immobilised heterogeneous photocatalysis and gives an assessment of the potential for built wetlands built-in with complex oxidation applied sciences to provide wastewater secure for reuse. moreover, the quantity discusses water reuse matters and criteria, the prestige of membrane bioreactors purposes, and the remedy of opposite osmosis focus for better water restoration in the course of wastewater remedy. ultimately, it provides fresh advancements in potable water reuse and addresses a number of very important concerns during this framework, just like the right safety of public future health, reliability and tracking. This quantity is of curiosity to specialists, scientists and practitioners from numerous fields of study, together with analytical and environmental chemistry, toxicology and environmental and sanitary engineering, in addition to remedy plant operators and policymakers.

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Extra info for Advanced Treatment Technologies for Urban Wastewater Reuse

Example text

However, some authors consider that conductivity rejection does not appear to be a reliable indicator to assess the removal efficiency of microcontaminants by NF/RO membranes. In general, microcontaminant removal efficiency would follow the next order: RO > “tight” NF > “loose” NF. However, different comparative works [22, 39, 43, 71] concluded that, although the retention of microcontaminants by NF is lower than that obtained by RO, the latter has demonstrated only marginally increased rejection in comparison with NF.

Generally, bioassays carried out in different studies show that ozonation decreases the toxicity of waters. At average ozone doses, it can be concluded that the mixture of degradation products formed has an overall less harmful potential than the mixture of parent compounds [47, 51, 52]. Reungoat et al. [52] found that more than 87% reduction of estrogenicity was observed in the ozonation stage of all the three reclamation plants studied. 3 mg O3 mgÀ1 DOC, high removal of estrogenicity was achieved.

A similar study was carried out by Stalter et al. [58]. They evaluated the variation of toxicity after a conventional secondary treatment followed by an ozonation + sand filter unit, by means of the fish early-life stage toxicity test. They found that ozonation decreases Treatment Technologies for Wastewater Reuse: Fate of Contaminants of. . 21 the estrogenic activity. However, authors also showed that ozonation produced a development retardation in fishes, probably due to the generation of toxic by-products.

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Advanced Treatment Technologies for Urban Wastewater Reuse by Despo Fatta-Kassinos, Dionysios D. Dionysiou, Klaus Kümmerer

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