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231225s2018 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2018.365
|2 doi
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|a pubmed25n0965.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Amin, Farah
|e verfasserin
|4 aut
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|a Utilization of Pleurotus eryngii biosorbent as an environmental bioremedy for the decontamination of trace cadmium(II) ions from water system
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.02.2019
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|a Date Revised 15.12.2020
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|a published: Print
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|a Citation Status MEDLINE
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|a In many parts of the world, cadmium metal concentration in drinking water is higher than some international guideline values. To reduce its level below the safety limit, a sustainable and environmental friendly approach is crucial. Thereby, present article introduce an efficient, non-pathogenic and a novel fungal biosorbent Pleurotus eryngii for the removal of Cd(II) ions from aqueous system. The efficiency of P. eryngii were improved and optimized by investigating many significant factors such as; pH, biosorbent dose, initial Cd(II) ion concentration, temperature and contact time. Maximum Cd(II) ions removal (99.9%) was achieved at pH 5.0, biosorbent dosage 0.2 g/10 mL, concentration 20 mg L-1, time 10 min and temperature 50 °C. The isotherm and kinetic models revealed bioremediation of Cd(II) ions as monolayer coverage with biosorption capacity of 1.51 mg g-1 following pseudo second order reaction. Moreover, thermodynamic parameters such as ΔG°, ΔH°, and ΔS° showed that the removal of Cd(II) ions is spontaneous and endothermic in nature. Batch elution process revealed that the complete elution of Cd(II) ions from the biomass were achieved using 0.1 N HNO3 solution. The sorption efficiency decreased from 99.99 to 56.89% as the biomass were recycled up to five times. The efficiency of Cd(II) ions removal from real water samples lies between 85 and 90%. Fourier transform infrared (FTIR) spectrometry, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopic (EDS) and atomic force microscopic (AFM) analysis of fungal biomass confirmed that the Cd(II) ions were the most abundant species on the biomass surface after the sorption process
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|a Journal Article
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|a Ions
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Cadmium
|2 NLM
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|a 00BH33GNGH
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Talpur, Farah Naz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Balouch, Aamna
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Samoon, Muhammad Kashif
|e verfasserin
|4 aut
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|a Afridi, Hassan Imran
|e verfasserin
|4 aut
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| 700 |
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|a Surhio, Muhammad Ali
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 78(2018), 5-6 vom: 19. Okt., Seite 1148-1158
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
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|g volume:78
|g year:2018
|g number:5-6
|g day:19
|g month:10
|g pages:1148-1158
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|u http://dx.doi.org/10.2166/wst.2018.365
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