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Microalgal Growth and Nutrient Removal Efficiency in Non-Sterilised Primary Domestic Wastewater

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dc.citedby8
dc.contributor.authorTan Y.H.en_US
dc.contributor.authorChai M.K.en_US
dc.contributor.authorNa J.Y.en_US
dc.contributor.authorWong L.S.en_US
dc.contributor.authorid57202000632en_US
dc.contributor.authorid24172523100en_US
dc.contributor.authorid58221385800en_US
dc.contributor.authorid55819849800en_US
dc.date.accessioned2024-10-14T03:19:02Z
dc.date.available2024-10-14T03:19:02Z
dc.date.issued2023
dc.description.abstractMicroalgae biomass can produce high quantities of biochemicals that can be used in various applications such as biodiesel, biogas, and aquaculture feed. The potential of sterilizing wastewater for microalgae-based wastewater treatment on a lab scale is well introduced. However, the operation cost for large-scale microalgae cultivation in wastewater treatment plants is high if using sterilising wastewater as the growth medium. The present study aimed to evaluate the growth of Scenedesmus sp., Chlorococcum aquaticum, Ankistrodesmus augustus, and Haematococcus pluvialis in non-sterilised domestic wastewater and their potential for pollutant removal in wastewater. The microalgae were cultivated in different concentrations of non-sterilised domestic wastewater, collected from a primary wastewater plant of a national sewerage company in Malaysia. Each species� capacity for growth and the removal of pollutants were assessed. The results showed that the cell density, maximum biomass productivity, and biomass concentration of H. pluvialis, Scenedesmus sp., and C. aquaticum in 100% wastewater were significantly higher than the standard medium. Higher biomass concentration was obtained from H. pluvialis and C. aquaticum in 100% wastewater (815 g/L and 775.83 mg/L)en_US
dc.description.abstractnevertheless, Scenedesmus sp. in 100% wastewater yielded the highest specific growth rate (0.798 d?1) and the maximum biomass productivity (99.33 mg/L/day). Scenedesmus sp. in 100% wastewater also achieved better removal efficiency of total nitrogen (TN), total phosphorus (TP), and ammonia (N-NH4) with more than 90%. All tested microalgae species successfully remove nitrogen, ammonium, and phosphorus and reach the concentration limits set by the Department of the Environment, Malaysia. This study demonstrated that microalgae can grow well in non-sterilised domestic wastewater while simultaneously removing nitrogen and phosphorus effectively. � 2023 by the authors.en_US
dc.description.natureFinalen_US
dc.identifier.ArtNo6601
dc.identifier.doi10.3390/su15086601
dc.identifier.issue8
dc.identifier.scopus2-s2.0-85156107800
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85156107800&doi=10.3390%2fsu15086601&partnerID=40&md5=2b4a6face08fe407d206debbe7bd6007
dc.identifier.urihttps://irepository.uniten.edu.my/handle/123456789/34321
dc.identifier.volume15
dc.publisherMDPIen_US
dc.relation.ispartofAll Open Access
dc.relation.ispartofGold Open Access
dc.sourceScopus
dc.sourcetitleSustainability (Switzerland)
dc.subjectbiomass energy
dc.subjectdomestic wastewater treatment
dc.subjectmicroalgal biomass
dc.subjectnitrogen removal
dc.subjectnon-sterile microalgae growth
dc.subjectphosphorus removal
dc.subjectScenedesmus
dc.subjectMalaysia
dc.subjectammonia
dc.subjectbiomass
dc.subjectdomestic waste
dc.subjectmicroalga
dc.subjectnitrogen
dc.subjectphosphorus
dc.subjectpollutant removal
dc.subjectwastewater treatment
dc.titleMicroalgal Growth and Nutrient Removal Efficiency in Non-Sterilised Primary Domestic Wastewateren_US
dc.typeArticleen_US
dspace.entity.typePublication
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