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Ultrasonic-assisted recycling of Nile tilapia fish scale biowaste into low-cost nano-hydroxyapatite: Ultrasonic-assisted adsorption for Hg2+ removal from aqueous solution followed by “turn-off” fluorescent sensor based on Hg2+-graphene quantum dots

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dc.contributor.authorSricharoen P.
dc.contributor.authorLimchoowong N.
dc.contributor.authorNuengmatcha P.
dc.contributor.authorChanthai S.
dc.date.accessioned2021-04-05T03:01:31Z
dc.date.available2021-04-05T03:01:31Z
dc.date.issued2020
dc.date.issuedBE2563
dc.description.abstractThis study was planned to recycle calcium and the phosphorus-rich Nile tilapia fish scale biowaste into nano-hydroxyapatite (FHAP), using ultrasonic-assisted extraction of calcium and phosphorus from fish scales, which was optimized in term of extraction time, acid concentration, extraction temperature, and ultrasonic power. These two elements were determined simultaneously by inductively coupled plasma atomic emission spectrometry and the FHAP phase was formed upon addition of the extracted element solution in alkaline medium using homogenous precipitation assisted with ultrasound energy. The FHAP adsorbent was characterized by x-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, and Brunauer-Emmett-Teller. A combination of FHAP and the ultrasonic method was then used to remove Hg2+ from aqueous solution. Four significant variables affecting Hg2+ removal, namely, adsorbent dosage, pH, ultrasonic power, and adsorption time, were studied. The results exhibited that the optimal conditions for maximizing the removal of Hg2+ were 0.02 g adsorbent dosage, pH 8, 0.4 kW ultrasonic power, 20 min adsorption time, and 30 °C adsorption temperature. The sorption mechanism of Hg2+ was revealed by isotherm modeling, indicating that FHAP adsorbent has a potential for Hg2+ removal in aqueous media with the maximum adsorption capacity being 227.27 mg g−1. This adsorption behavior is in agreement with the Langmuir model as reflected by a satisfactory R2 value of 0.9967, when the kinetics data were fitted with pseudo-second-order. Therefore, the FHAP could be an alternative adsorbent for the ultrasonic-assisted removal of Hg2+ at very high efficiency and within a very short period of time. © 2020 Elsevier B.V.
dc.format.mimetypeapplication/pdf
dc.identifier.citationUltrasonics Sonochemistry. Vol 63, No. (2020)
dc.identifier.doi10.1016/j.ultsonch.2020.104966
dc.identifier.issn13504177
dc.identifier.other2-s2.0-85077944901
dc.identifier.urihttps://hdl.handle.net/20.500.14740/4581
dc.rights.holderScopus
dc.subject.otherAlkalinity
dc.subject.otherAtomic emission spectroscopy
dc.subject.otherCalcium
dc.subject.otherCosts
dc.subject.otherEnergy dispersive spectroscopy
dc.subject.otherExtraction
dc.subject.otherFish
dc.subject.otherFourier transform infrared spectroscopy
dc.subject.otherHigh resolution transmission electron microscopy
dc.subject.otherHydroxyapatite
dc.subject.otherInductively coupled plasma
dc.subject.otherNanocomposites
dc.subject.otherNanosensors
dc.subject.otherPhosphorus
dc.subject.otherRecycling
dc.subject.otherScanning electron microscopy
dc.subject.otherSemiconductor quantum dots
dc.subject.otherAdsorption capacities
dc.subject.otherAdsorption temperature
dc.subject.otherBrunauer emmett tellers
dc.subject.otherExtraction temperatures
dc.subject.otherHomogenous precipitation
dc.subject.otherInductively coupled plasma atomic emission spectrometry
dc.subject.otherSignificant variables
dc.subject.otherUltrasonic-assisted extractions
dc.subject.otherAdsorption
dc.subject.otherAdsorbent
dc.subject.otherCalcium
dc.subject.otherGraphene
dc.subject.otherHydroxyapatite
dc.subject.otherMercury
dc.subject.otherNanoparticle
dc.subject.otherPhosphorus
dc.subject.otherQuantum dot
dc.subject.otherGraphite
dc.subject.otherHydroxyapatite
dc.subject.otherMercury
dc.subject.otherNanoparticle
dc.subject.otherAdsorption
dc.subject.otherAdsorption kinetics
dc.subject.otherAqueous solution
dc.subject.otherArticle
dc.subject.otherEnergy dispersive X ray spectroscopy
dc.subject.otherExtraction temperature
dc.subject.otherExtraction time
dc.subject.otherFourier transform infrared spectroscopy
dc.subject.otherInductively coupled plasma atomic emission spectrometry
dc.subject.otherKinetic parameters
dc.subject.otherNonhuman
dc.subject.otherOreochromis niloticus
dc.subject.otherPH
dc.subject.otherPriority journal
dc.subject.otherRecycling
dc.subject.otherScanning electron microscopy
dc.subject.otherTransmission electron microscopy
dc.subject.otherUltrasound assisted extraction
dc.subject.otherX ray diffraction
dc.subject.otherAdsorption
dc.subject.otherAnimal
dc.subject.otherChemistry
dc.subject.otherIsolation and purification
dc.subject.otherKinetics
dc.subject.otherMetabolism
dc.subject.otherTilapia
dc.subject.otherUltrasound
dc.subject.otherWater pollutant
dc.subject.otherAdsorption
dc.subject.otherAnimals
dc.subject.otherDurapatite
dc.subject.otherGraphite
dc.subject.otherHydrogen-Ion Concentration
dc.subject.otherKinetics
dc.subject.otherMercury
dc.subject.otherNanoparticles
dc.subject.otherQuantum Dots
dc.subject.otherSonication
dc.subject.otherTilapia
dc.subject.otherWater Pollutants, Chemical
dc.titleUltrasonic-assisted recycling of Nile tilapia fish scale biowaste into low-cost nano-hydroxyapatite: Ultrasonic-assisted adsorption for Hg2+ removal from aqueous solution followed by “turn-off” fluorescent sensor based on Hg2+-graphene quantum dots
dc.typeArticle
dspace.entity.typePublication
swu.datasource.scopushttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85077944901&doi=10.1016%2fj.ultsonch.2020.104966&partnerID=40&md5=481dfd19450900988676136b367d0b06

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