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Clastogenicity of landfarming soil treated with sugar cane vinasse |
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| Authors: | Tatiana da Silva Souza Fabiana Aparecida Hencklein Dejanira de Franceschi de Angelis Carmem Silvia Fontanetti |
| Affiliation: | 1. Departamento de Medicina Veterinária, Centro de Ciências Agrárias, Universidade Federal do Espírito Santo, UFES, Rua Alto Universitário, s/ número, Guararema, CP 199, 29500-000, Alegre, ES, Brazil 2. Departamento de Bioquímica e Microbiologia, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Avenida 24A, 1515, Bela Vista, 13506-900, Rio Claro, SP, Brazil 3. Departamento de Biologia, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Avenida 24 A, 1515, Bela Vista, 13506-900, Rio Claro, SP, Brazil |
| Abstract: | The addition of nutrients and/or soil bulking agents is used in bioremediation to increase microbial activity in contaminated soils. For this purpose, some studies have assessed the effectiveness of vinasse in the bioremediation of soils contaminated with petroleum waste. The present study was aimed at investigating the clastogenic/aneugenic potential of landfarming soil from a petroleum refinery before and after addition of sugar cane vinasse using the Allium cepa bioassay. Our results show that the addition of sugar cane vinasse to landfarming soil potentiates the clastogenic effects of the latter probably due the release of metals that were previously adsorbed into the organic matter. These metals may have interacted synergistically with petroleum hydrocarbons present in the landfarming soil treated with sugar cane vinasse. We recommend further tests to monitor the effects of sugar cane vinasse on soils contaminated with organic wastes. |
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