In this work, we evaluated the removal efficiency of diclofenac by Chlorella vulgaris OW-01, Nannochloropsis oculata CCAP 849/7, Scenedesmus acutus UTEX 72, and Scenedesmus obliquus CCAP 276/2. Each microalga was grown in media with different concentrations (50 and 100%25 of the original formulation) of carbon, nitrogen, and phosphorus, to evaluate their effect on the removal of diclofenac. We also evaluated the photodegradation of diclofenac under the same conditions. The diclofenac removed from the media ranged from 59 to 92%25, obtaining the highest removal with S. obliquus. The diclofenac adsorbed on the cell walls ranged from 12.2 to 26.5%25, obtaining the highest adsorption with S. obliquus. The diclofenac degraded by light ranged from 15 to 28%25. The nutrient deficit showed no influence on the removal of diclofenac in any of the microalgae under study. These results indicate that S. obliquus is the best alternative for the bioremediation of diclofenac. © 2022, King Abdulaziz City for Science and Technology.
Diclofenac removal by the microalgae species Chlorella vulgaris, Nannochloropsis oculata, Scenedesmus acutus, and Scenedesmus obliquus
Adsorption; Pharmaceuticals; Photodegradation; Phycoremediation chlorophyll a; diclofenac; Acutodesmus obliquus; adsorption; Article; biomass; bioremediation; cell metabolism; cell wall; Chlorella vulgaris; controlled study; enzyme activity; macronutrient; Nannochloropsis oculata; nonhuman; photodegradation; photolysis; Scenedesmus acutus; waste component removal; waste water management
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RDF description of Diclofenac removal by the microalgae species Chlorella vulgaris, Nannochloropsis oculata, Scenedesmus acutus, and Scenedesmus obliquus - http://orbis.uaslp.mx/vivo/individual/scopus10278
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Universidad Autónoma de Aguascalientes, UAA; Consejo Nacional de Ciencia y Tecnología, CONACYT: 252858; Universidad Autónoma de San Luis Potosí, UASLP