Adsorption of doxycycline from aqueous media: A review

Aniagor, Chukwunonso O.; Igwegbe, Chinenye Adaobi; Ighalo, Joshua O.; Oba, Stephen N.

doi:10.1016/j.molliq.2021.116124

Cited by 86 publications

(14 citation statements)

References 109 publications

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“…Linear and non-linear methods via regression technique can be used in describing isotherm models (Aniagor and Menkiti, 2018). The optimum fit for linear regression models is determined by how close their respective coefficients of determination (R 2 ) are to unity, but the non-linear regression model is an iterative approach that use applicable computer software to estimate parametric data (Aniagor and Menkiti, 2018;Aniagor et al, 2021). Here, the smallest possible error value is desired as it correlates to R 2 tending to unity (Aniagor et al, 2021).…”

Section: Equilibrium Isotherm and Kinetics Modellingmentioning

confidence: 99%

Discerning potable water sources using Monte Carlo based simulation for health risk assessment in Omu-Aran, Nigeria

Elemile

Ibitogbe

Obayomi

et al. 2022

Groundwater for Sustainable Development

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Section: Equilibrium Isotherm and Kinetics Modellingmentioning

confidence: 99%

Discerning potable water sources using Monte Carlo based simulation for health risk assessment in Omu-Aran, Nigeria

Elemile

Ibitogbe

Obayomi

et al. 2022

Groundwater for Sustainable Development

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“…To analyse the adsorption kinetics of the process, the nonlinear Lagergren [73,74] and Ho [75][76][77] kinetic models were tested (see Supplementary Materials, Section S2).…”

Section: Coagulation-adsorption Kinetics Studiesmentioning

confidence: 99%

Coagulation-Flocculation of Aquaculture Wastewater Using Green Coagulant from Garcinia kola Seeds: Parametric Studies, Kinetic Modelling and Cost Analysis

et al. 2021

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To achieve sustainability, it is necessary to use proper treatment methods to reduce the pollutant loads of receiving waters. This study investigates the coagulative reduction of turbidity, COD, BOD and colour from aquaculture wastewater (AW) using a novel Garcinia kola seeds coagulant (GKC). This coagulant was obtained from extraction of Garcinia kola seeds and analysed for its spectral and morphological characteristics through FTIR and SEM. The kinetics of coagulation-flocculation were also investigated in terms of total dissolved and suspended solids (TDSP). The seeds had 11.27% protein and 68.33% carbohydrate, showing usability in adsorption/charges neutralisation as a coagulant to reduce particles. Maximal turbidity reduction = 81.93%, COD = 75.03%, BOD = 72.84% and colour = 56.69% at 0.3 g GKC/L, pH 2, 60 min and 303 K were achieved. Von Smoluchowski’s second-order peri-kinetics theory was used to fit the results, giving R2 > 0.9. At a coagulation order (α) of 2, the reaction rate (KC) and half-life (τS1/2) were 0.0003 L/g·min and 25.3 min at the optimal conditions. The sorption data better fit the Lagergren compared to the Ho adsorption model. Furthermore, the net cost of using GKC to handle 1 L of AW (including electricity and material costs) was calculated to be 1.57 EUR, and the costs of 0.3 g/L GKC preparation and energy were 0.27 and 1.30 EUR, respectively. In summary, these seeds can be used to pre-treat AW.

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“…Meanwhile, Igwegbe, Oba, et al (2020) has reported the strong dependence of removal efficiency on the adsorbates' initial concentration, hence, their values may not provide an accurate reflection of the sorption ability of a given adsorbent. Therefore, our discussion here only emphasized the relationship between that adsorbent dosage and adsorption capacity (which provides a better reflection of the adsorbents' intrinsic adequacy) (Aniagor et al, 2021;Igwegbe, Oba, et al, 2020;Oba et al, 2021).…”

Section: Effect Of Adsorbent Dosagementioning

confidence: 99%

Study on the Uptake of Aqueous Zinc Ion Onto a Novel Organic Acid Modified Biosorbent

Aniagor

Hussein

Farag

et al. 2021

Preprint

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Alhagi Graecorum (AG) is an invasive plant with a massive/robust root structure that can grow up to 12 feet into the ground. The present study exploited the rich cellulosic content in this ‘AG’ root for the synthesis of a novel biosorbent (‘MA’). This low-cost biosorbent, with high carboxyl content of 447.22 (m. eq /100 g sample) was utilised for aqueous zinc ion sequestration. The surface functional groups and textural characteristics required for an efficient heavy metal binding was identified on ‘MA’ using Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). Sip isotherm emerged as the model of best fit for equilibrium studies, hence, Zn (II) ion sorption onto ‘MA’ is believed to occur via a hybrid blend of homogenous monolayer and heterogeneous multilayer adsorption. Meanwhile, the Elovich (SNE = 1.0429), intraparticle diffusion (SNE = 1.0205) and pseudo-first-order (SNE = 1.0455) provided the best fitting for 200, 400 and 600 mg/L adsorption system, respectively. The maximum adsorption capacity of 188.67 mg/g was recorded at optimum adsorption conditions, with the predominance of the electrostatic and electron-donor-acceptor interaction mechanism. The abundant surface oxygenous functional groups on ‘MA’ positively influenced its adsorption capacity; thus, making it a promising biosorbent for aqueous Zn (II) uptake.

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Adsorption of doxycycline from aqueous media: A review

Cited by 86 publications

References 109 publications

Discerning potable water sources using Monte Carlo based simulation for health risk assessment in Omu-Aran, Nigeria

Discerning potable water sources using Monte Carlo based simulation for health risk assessment in Omu-Aran, Nigeria

Coagulation-Flocculation of Aquaculture Wastewater Using Green Coagulant from Garcinia kola Seeds: Parametric Studies, Kinetic Modelling and Cost Analysis

Study on the Uptake of Aqueous Zinc Ion Onto a Novel Organic Acid Modified Biosorbent

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