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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1007/s10646-014-1346-z
|2 doi
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|a pubmed24n0806.xml
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|a (NLM)25213288
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|a DE-627
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|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a da Costa, Juliana Berninger
|e verfasserin
|4 aut
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| 245 |
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|a Toxicity on aquatic organisms exposed to secondary effluent disinfected with chlorine, peracetic acid, ozone and UV radiation
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|c 2014
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 05.03.2015
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The toxic potential of four disinfectant agents (chlorine, ozone, peracetic acid and UV radiation), used in the disinfection of urban wastewater, was evaluated with respect to four aquatic organisms. Disinfection assays were carried out with wastewater from the city of Araraquara (São Paulo State, Brazil), and subsequently, toxicity bioassays were applied in order to verify possible adverse effects to the cladocerans (Ceriodaphnia silvestrii and Daphnia similis), midge larvae Chironomus xanthus and fish (Danio rerio). Under the experimental conditions tested, all the disinfectants were capable of producing harmful effects on the test organisms, except for C. xanthus. The toxicity of the effluent to C. silvestrii was observed to increase significantly as a result of disinfection using 2.5 mg L(-1) chlorine and 29.9 mg L(-1) ozone. Ozonation and chlorination significantly affected the survival of D. similis and D. rerio, causing mortality of 60 to 100 % in comparison to the non-disinfected effluent. In experiments with effluent treated with peracetic acid (PAA) and UV radiation, a statistically significant decrease in survival was only detected for D. rerio. This investigation suggested that the study of the ideal concentrations of disinfectants is a research need for ecologically safe options for the treatment of wastewater
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Disinfectants
|2 NLM
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|a Sewage
|2 NLM
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| 650 |
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|a Waste Water
|2 NLM
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| 650 |
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|a Chlorine
|2 NLM
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| 650 |
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|a 4R7X1O2820
|2 NLM
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| 650 |
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|a Ozone
|2 NLM
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| 650 |
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|a 66H7ZZK23N
|2 NLM
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| 650 |
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|a Peracetic Acid
|2 NLM
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| 650 |
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|a I6KPI2E1HD
|2 NLM
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| 700 |
1 |
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|a Rodgher, Suzelei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Daniel, Luiz Antonio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Espíndola, Evaldo Luiz Gaeta
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Ecotoxicology (London, England)
|d 1992
|g 23(2014), 9 vom: 20. Nov., Seite 1803-13
|w (DE-627)NLM098212214
|x 1573-3017
|7 nnns
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| 773 |
1 |
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|g volume:23
|g year:2014
|g number:9
|g day:20
|g month:11
|g pages:1803-13
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| 856 |
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|u http://dx.doi.org/10.1007/s10646-014-1346-z
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