Abstract:
:Secondary hospital wastewater treatment was investigated as an alternative to detoxification and disinfection after anaerobic digestion in a hospital located in southern Brazil. Tertiary and secondary effluents were assessed by general parameters. The use of advanced oxidation processes (UV/O3 and UV/TiO2/O3) showed potential capacity for disinfection and detoxification of wastewater effluents. The UV/TiO2/O3 method yielded the best results, decreasing toxicity of EC50 = 65 to nontoxic levels, also reducing MPN/100ml of 1.1 x 10(6) to values less than 2 and increasing wastewater biodegradability. The low energetic consumption of the proposed UV/TiO2/O3 method can be considered operationally advantageous.
journal_name
Environ Technoljournal_title
Environmental technologyauthors
Machado EL,Kist LT,Schmidt R,Hoeltz JM,Dalberto D,Alcayaga ELdoi
10.1080/09593332808618876subject
Has Abstractpub_date
2007-10-01 00:00:00pages
1135-43issue
10eissn
0959-3330issn
1479-487Xjournal_volume
28pub_type
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