Biosorption of cadmium(II) from aqueous solution by chitosan encapsulated <i>Zygosaccharomyces rouxii</i>

Jiang, Wei; Xu, Ying; Li, Chunsheng; Lv, Xin; Wang, Dongfeng

doi:10.1002/ep.11728

Cited by 8 publications

(4 citation statements)

References 50 publications

(64 reference statements)

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“…Since the decolourisation decreased in subsequent cycles, it can be hypothesized that biomass increasingly adsorbed uncoloured organic substances, i.e. organochlorine compound, phthalates, solvents, which are often detected in landfill leachates (Jiang et al 2013). On the contrary, humic and fulvic molecules, that are the main responsibles of leachate dark colour (Teuten et al 2009), are probably removed in the first cycle.…”

Section: Biomass Reuse In Consecutive Biosorption Cyclesmentioning

confidence: 99%

Biosorption with autochthonous and allochthonous fungal biomasses for bioremediation and detoxification of landfill leachate

Tigini

Varese

2018

Environ Earth Sci

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Landfill leachates are not adequately treated in traditional wastewater treatment plants, on account of their problematic peculiarities: i.e. dark colour, high concentration of recalcitrant pollutants and COD, and high toxicity. In this work, 19 biomasses (15 autochthonous and 4 allochthonous) were exploited in biosorption treatment for the remediation of a leachate (influent) and the effluent coming from the biological oxidation with activated sludge and nitrification-denitrification treatment. The effects of the initial pH, the biomass amount, and the medium for the biomass pre-culture were considered. The best configuration was: pH 5, 5 g L-1 biomass cultivated on STY medium. Eventually, the two most effective biomasses, Cunninghamella bertholletiae MUT 2861 and Aspergillus fumigatus MUT 4050, were used in consecutive 2 h cycles in a batch biosorption experiment. The effectiveness of the treatment decreased in subsequent cycles in terms of decolourisation (31-15%). COD, Cl-, SO 4 2-, total N, and toxicity were removed mainly in the second cycle of treatment (up to-36%,-12%,-15%,-17% and-49%, respectively). The results suggest that the effluent toxicity was basically due to uncoloured substances, which were mainly removed after coloured molecules.

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Section: Biomass Reuse In Consecutive Biosorption Cyclesmentioning

confidence: 99%

Biosorption with autochthonous and allochthonous fungal biomasses for bioremediation and detoxification of landfill leachate

Tigini

Varese

2018

Environ Earth Sci

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“…Biosorption is among the most desirable methods for removing radioactive ions and heavy metals from wastewater. In addition to being cost-effective, biosorption offers the possibility of recycling waste materials [20]. Algae are natural biomass and they have varying degrees of affinities for heavy metals [21].…”

Section: Introductionmentioning

confidence: 99%

Remediation of Heavy Metals in Polluted Water by Immobilized Algae: Current Applications and Future Perspectives

et al. 2023

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The progression of urban industrialization releases large quantities of heavy metals into water, resulting in the severe heavy metal contamination of the aquatic environment. Traditional methods for removing heavy metals from wastewater generally have varying removal efficiencies, whereas algae adsorption technology is a cost-effective and sustainable bioremediation technique. A green technology that immobilizes algae through a carrier to improve biosorbent’s stability and adsorption performance is immobilization technology. The purpose of this review is to study the optimization strategy of the immobilization of algae for the bioremediation of heavy metals and to comprehensively analyze immobilized algae technology in terms of sustainability. The analysis of the mechanism of heavy metal removal by immobilized algae and the parameters affecting the efficiency of the biosorbent, as well as the approach based on life cycle assessment and economic analysis, allowed the identification of the optimization of the adsorption performance of immobilized algae. This provides a theoretical basis for the practical application of algal bioremediation.

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“…Thus, efficient and low-cost processes for producing large-scale yeast biomass have evolved. S. cerevisiae is a promising biosorbent that has been shown to eliminate pesticides [31], mycotoxins [32], and trace elements from synthesized water or aqueous solutions, even when deactivated, and it has its highest efficiency in short contact times [7,29,[33][34][35][36][37][38][39][40][41][42][43][44][45]. Furthermore, the encapsulation of S. cerevisiae in a biopolymer, for example, alginate [32,43,[46][47][48][49][50], is an alternative strategy for their application, as well as being steadier, simple-to-deal with, and economical.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Removal of Metal Ions from Wastewater by a Greener Approach

Ibrahim

El-Sesy

ElSayed

et al. 2022

Water

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The examination of the performance of raw and immobilized S. (Saccharomyces) cerevisiae in the simultaneous abatement of metal ions from wastewater effluent is the focal point of this article. The optimal storage time for raw and immobilized S. cerevisiae, during which they can be utilized, was estimated. The outcomes revealed that as the initial metal ion concentrations increased, the adsorption capacity improved, while the removal efficiency of S. cerevisiae yeast cells decreased, with the highest uptake obtained at the optimal conditions: pH = 5.0, 2.0 g S. cerevisiae/L, 25 °C, and a contact time of 25 min. The maximum adsorption capacities (qmax) for Pb(II), Cd(II), and Ni(II) ions are shown by Langmuir at 65, 90, and 51 mg/g, respectively. It was discovered that the metal ions’ biosorption reactions were spontaneous and were fitted by the pseudo-second-order model. The mechanisms of the metal ions’ abatement were explained by using XRD (X-ray diffraction), FTIR (Fourier transform infrared spectroscopy), (BET) Brunauer–Emmett–Teller, and TEM (transmission electron microscopy) outputs. EDTA and citric acid can eliminate more than 70 ± 4 and 90 ± 5% of the adsorbed ions, respectively. The experiment of storage demonstrated that the immobilized S. cerevisiae was more stable for 8 months than the raw yeast.

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Biosorption of cadmium(II) from aqueous solution by chitosan encapsulated Zygosaccharomyces rouxii

Cited by 8 publications

References 50 publications

Biosorption with autochthonous and allochthonous fungal biomasses for bioremediation and detoxification of landfill leachate

Biosorption with autochthonous and allochthonous fungal biomasses for bioremediation and detoxification of landfill leachate

Remediation of Heavy Metals in Polluted Water by Immobilized Algae: Current Applications and Future Perspectives

Simultaneous Removal of Metal Ions from Wastewater by a Greener Approach

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