Arid
DOI10.1590/1678-4324-2024220827
Ecotechnologies for Aquaculture Wastewater Treatment in a Water-Scarce Region
Gomes, Augusto Cesar Cavalcanti; Silva, Alineaurea Florentino; Tonizza-Pereira, Maria Carolina
通讯作者Gomes, ACC
来源期刊BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
ISSN1516-8913
EISSN1678-4324
出版年2024
卷号67
英文摘要In aquaculture, biological treatments usually have an excellent benefit-cost ratio. This study evaluated the efficiency of different ecotechnologies on aquaculture wastewater treatment. Two experimental units were installed. In the first one, tanks were individually vegetated with free-floating aquatic macrophytes. In the second experimental unit, 10.72 m2 of artificial substrate were added for periphyton colonization. The hydraulic retention time of the wastewater was of 30 days. Both physical and chemical characterizations of the effluent were carried out at the beginning and at the end of the experiment. The periphyton community attached to the substrate was catalogued. In the first unit, the pH, nitrite, and orthophosphate values were significantly different. The tanks vegetated with Azolla filiculoides were the only ones where the electrical conductivity values were reduced. Tanks vegetated with Azolla filiculoides and Pontederia crassipes presented decreased the nitrate concentration. On the other hand, the concentration of ammonia and total phosphorus decreased in all vegetated tanks. In the second unit, only the nitrate and ammonia values did not decrease in the last day of the experiment. 33 taxa belonging to the classes Cyanophyceae, Chlorophyceae, Bacillariophyceae, Trebouxiophyceae, Coleochaetophyceae, Coscinodiscophyceae and Zygnematophyceae were identified in the substrate. The experimental units were effective in mitigating the nutrients in aquaculture wastewater that cause eutrophication.
英文关键词aquatic community bioremediation eutrophication fish farming phytoremediation process semi-arid region
类型Article
语种英语
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:001149896000001
WOS关键词FLOATING TREATMENT ; AQUATIC MACROPHYTES ; PHOSPHORUS REMOVAL ; NUTRIENT REMOVAL ; TOTAL NITROGEN ; LEMNA-MINOR ; CU II ; EFFICIENCY ; HYACINTH ; DUCKWEED
WOS类目Biology
WOS研究方向Life Sciences & Biomedicine - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/403074
推荐引用方式
GB/T 7714
Gomes, Augusto Cesar Cavalcanti,Silva, Alineaurea Florentino,Tonizza-Pereira, Maria Carolina. Ecotechnologies for Aquaculture Wastewater Treatment in a Water-Scarce Region[J],2024,67.
APA Gomes, Augusto Cesar Cavalcanti,Silva, Alineaurea Florentino,&Tonizza-Pereira, Maria Carolina.(2024).Ecotechnologies for Aquaculture Wastewater Treatment in a Water-Scarce Region.BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY,67.
MLA Gomes, Augusto Cesar Cavalcanti,et al."Ecotechnologies for Aquaculture Wastewater Treatment in a Water-Scarce Region".BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY 67(2024).
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