Toxicity assessment of industrial effluents from S. Paulo state, Brazil, using short-term microbial assays

1988 ◽  
Vol 3 (1) ◽  
pp. 55-80 ◽  
Author(s):  
Petra S. Sanchez ◽  
Maria I. Z. Sato ◽  
Clarice M. R. B. Paschoal ◽  
Maria N. Alves ◽  
Eloisa V. Furlan ◽  
...  
Keyword(s):  
Industrial Effluents ◽  
Toxicity Assessment ◽  
Short Term ◽  
Paulo State

Acute toxicity assessment of textile dyes and textile and dye industrial effluents using Daphnia magna bioassay

2008 ◽  
Vol 24 (7) ◽  
pp. 491-500 ◽  
Author(s):  
Y Verma
Keyword(s):  
Acute Toxicity ◽  
Daphnia Magna ◽  
Aquatic Toxicity ◽  
Industrial Effluents ◽  
Toxicity Assessment ◽  
Textile Dyes ◽  
Textile Mill ◽  
Golden Yellow ◽  
Excellent Method ◽  
High Degree

Aquatic toxicity of textile dyes and textile and dye industrial effluents were evaluated in an acute toxicity study using Daphnia magna as an aquatic experimental animal model. The 48-h EC50 value for the azo dyes, Remazol Parrot Green was 55.32 mg/L and for Remazol Golden Yellow was 46.84 mg/L. Whereas 48-h EC50 values for three dye industrial effluents (D1, D2, and D3) were 14.12%, 15.52%, and 29.69%, respectively. Similarly, EC50 value for three textile mill effluents (T1, T2, and T3) were >100%, 62.97%, and 63.04%, respectively. These results also showed linear relationship with high degree of confidence ( r2 = >0.84 to >0.99) between immobility and test concentrations. The ratio of 24 to 48-h EC50 remains to be in between 1.1 and 1.2. The general criteria of toxicity classification showed that both dyes were minor acutely toxic having 48-h EC50 in between 10 and 100 mg/L. Of the six textile and dye industrial effluents tested, one was not acutely toxic (48-h EC50 > 100%) and five were minor acutely toxic (48-h EC50 > 14.12–29.69%). The toxicity classification of effluent based on toxic unit (TU) showed that of the six effluents tested five were found toxic (TU = >1) and one was non-toxic (TU = <1). Thus, dye effluents showed highest toxicity and textile effluents lowest toxicity. The study also suggested that the assay with D. magna was an excellent method for evaluation of aquatic toxicity of dyes and dyes containing industrial effluents.

scholarly journals Short-Term Pulmonary Toxicity Assessment of Pre- and Post-incinerated Organomodified Nanoclay in Mice

ACS Nano ◽  
2018 ◽  
Vol 12 (3) ◽  
pp. 2292-2310 ◽  
Author(s):  
Todd A. Stueckle ◽  
Donna C. Davidson ◽  
Ray Derk ◽  
Tiffany G. Kornberg ◽  
Lori Battelli ◽  
...  
Keyword(s):  
Pulmonary Toxicity ◽  
Toxicity Assessment ◽  
Short Term

A short-term test for the evaluation of hydrogen and volatile fatty acids production from industrial effluents

2014 ◽  
Vol 39 (15) ◽  
pp. 7730-7734 ◽  
Author(s):  
Viviane Trevisan ◽  
Luiz Olinto Monteggia ◽  
Henrique dos Santos Delabary
Keyword(s):  
Fatty Acids ◽  
Volatile Fatty Acids ◽  
Industrial Effluents ◽  
Short Term ◽  
Short Term Test

Evaluation of the genotoxicity of waters impacted by domestic and industrial effluents of a highly industrialized region of São Paulo State, Brazil, by the comet assay in HTC cells

2014 ◽  
Vol 22 (2) ◽  
pp. 1399-1407 ◽  
Author(s):  
Bárbara Cassu Manzano ◽  
Matheus Mantuanelli Roberto ◽  
Márcia Miyuki Hoshina ◽  
Amauri Antônio Menegário ◽  
Maria Aparecida Marin-Morales
Keyword(s):  
Comet Assay ◽  
Industrial Effluents ◽  
Sao Paulo ◽  
São Paulo ◽  
Paulo State ◽  
Htc Cells ◽  
São Paulo State

A procedure for short-term bioassay tests on industrial effluents of low oxygen content

1973 ◽  
Vol 51 (7) ◽  
pp. 794-795
Author(s):  
G. Ozburn ◽  
J. Kraft ◽  
L. Somppi
Keyword(s):  
Dissolved Oxygen ◽  
Oxygen Content ◽  
Industrial Effluents ◽  
Low Oxygen ◽  
Short Term ◽  
Low Dissolved Oxygen

Oxygenation of industrial effluents with a low dissolved oxygen content has been achieved by a method which greatly reduces the possibility of stripping volatile toxins within the effluent. The decrease in toxicity that occurs if a sample is aerated with a bubbler before testing can be shown clearly with this procedure.

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