Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effective removal of fly ash by Penicillium chrysogenum and determination of direct fly ash toxicity with Daphnia magna
This study demonstrates the removal of fly ash with Penicillium chrysogenum, a newly isolated species of fungus, and acute toxicity assessment with Daphnia magna. In the study, two different removal mechanisms were compared, both bio-removal and bio-sorption. Six different ash and three different biomass concentrations were used simultaneously. Although other fungal species in the literature failed at such a high concentration of fly ash, P. chrysogenum was able to tolerate it even at 10% concentration. The highest bio-removal yield was recorded as 100% at 0.5% fly ash concentration. Maximum bio-sorption yield was 95.27% after 24th hour. The evaluation results of fly ash bio-toxicity by D. magna showed that the no observed effect level (NOEL) was 0.2 mg/L and the low observed effect level (LOEL) was 0.5 mg/L. The element analysis, determined by ED-XRF, clarified that Ca, Si, Fe and S were the common elements in this ash. This is the first study in the literature where fly ash removal was carried out using P. chrysogenum for both bio-removal and bio-sorption and needs to be developed in the future. HIGHLIGHTS Fly ash removal by P. chrysogenum was investigated.; The fungus achieved the highest removal yields.; Highest pulp densities of fly ash were tolerated by the fungus in the literature.; Highest biosorption yield was determined in the literature as 95.27% after 24 hours.; Evaluation of fly ash bio-toxicity by D. magna was revealed for the first time.;
Effective removal of fly ash by Penicillium chrysogenum and determination of direct fly ash toxicity with Daphnia magna
This study demonstrates the removal of fly ash with Penicillium chrysogenum, a newly isolated species of fungus, and acute toxicity assessment with Daphnia magna. In the study, two different removal mechanisms were compared, both bio-removal and bio-sorption. Six different ash and three different biomass concentrations were used simultaneously. Although other fungal species in the literature failed at such a high concentration of fly ash, P. chrysogenum was able to tolerate it even at 10% concentration. The highest bio-removal yield was recorded as 100% at 0.5% fly ash concentration. Maximum bio-sorption yield was 95.27% after 24th hour. The evaluation results of fly ash bio-toxicity by D. magna showed that the no observed effect level (NOEL) was 0.2 mg/L and the low observed effect level (LOEL) was 0.5 mg/L. The element analysis, determined by ED-XRF, clarified that Ca, Si, Fe and S were the common elements in this ash. This is the first study in the literature where fly ash removal was carried out using P. chrysogenum for both bio-removal and bio-sorption and needs to be developed in the future. HIGHLIGHTS Fly ash removal by P. chrysogenum was investigated.; The fungus achieved the highest removal yields.; Highest pulp densities of fly ash were tolerated by the fungus in the literature.; Highest biosorption yield was determined in the literature as 95.27% after 24 hours.; Evaluation of fly ash bio-toxicity by D. magna was revealed for the first time.;
Effective removal of fly ash by Penicillium chrysogenum and determination of direct fly ash toxicity with Daphnia magna
Burcu Ertit Taştan (Autor:in)
2021
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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