Phytoremediation of dairy wastewater using Azolla pinnata: Application of image processing technique for leaflet growth simulation

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dc.contributor.authorAdelodun, Bashir
dc.date.accessioned2024-05-10T08:50:48Z
dc.date.available2024-05-10T08:50:48Z
dc.date.issued2021
dc.description.abstractThe present study assessed the phytoremediation efficiency of water fern (Azolla pinnata R.Br.) in the treatment of dairy wastewater (DWW). Batch mode experimentation was done using different dilutions (0 to 100%) of DWW transplanted with five healthy leaflets of A. pinnata. Besides this, the A. pinnata growth was captured using camera vision-based image recognition and further modeled using logistic and modified Gompertz models. The findings showed that after 14 days of phytoremediation experiments, the maximum significant (p < 0.05) reduction efficiency of selected pollutant parameters of DWW i.e. pH (9.41%), electrical conductivity (61.42%), total dissolved solids (71.56%), total Kjeldahl's nitrogen (73.25%), and total phosphorus (65.37%) observed using 75% DWW dilution. Moreover, the periodically taken surface images were useful to recognize the position and number of leaflets which further helped to simulate A. pinnata growth patterns. The maximum number of leaflets (n = 20), fresh biomass (16.18 ± 0.42 g), dry biomass (1.47 ± 0.04 g), and chlorophyll content (3.14 ± 0.03 mg/g fwt.) was also observed using 75% DWW treatment, respectively. The logistic model was found more robust as compared to modified Gompertz to predict leaflet production (y) as revealed from model validation results i.e. coefficient of determination (R2 > 0.9533) and minimum difference between experimental and model-predicted results. Thus, the combined application of phytoremediation and image processing techniques can be used to monitor and maximize plant growth performance.
dc.identifier.issnhttps://doi.org/10.1016/j.jwpe.2021.102152
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/123456789/14040
dc.language.isoen
dc.publisherElsevier
dc.subjectAzolla pinnata
dc.subjectDairy wastewater
dc.subjectImage recognition
dc.subjectPhytoremediation
dc.subjectPollution
dc.titlePhytoremediation of dairy wastewater using Azolla pinnata: Application of image processing technique for leaflet growth simulation
dc.typeArticle

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