Magnetically modified peanut husks as an effective sorbent of heavy metals

Rozumová, Lucia; Životský, Ondřej; Seidlerová, Jana; Motyka, Oldřich; Šafařı́k, Ivo; Šafařı́ková, Mirka

doi:10.1016/j.jece.2015.10.039

Cited by 39 publications

(19 citation statements)

References 36 publications

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“…The use of waste materials is attractive because it helps in reducing the cost of waste disposal and minimizing the waste. These agricultural wastes include the shells and/or stones of fruits like coconut [11][12][13], peanuts [14], walnut [15], cashew [16,17 ]; fruit peels of orange [18,19], pomelo [20],citrus [21], banana [22]; rice husk [23][24][25]; and sugar cane bagasse [26]. These agricultural waste as adsorbents have been explored in SPE as low-cost nanometersized materials [27,28].…”

Section: Nano-chamomile Waste As a Low-cost Biosorbent For Rapid Remomentioning

confidence: 99%

“…These agricultural waste as adsorbents have been explored in SPE as low-cost nanometersized materials [27,28]. These adsorbents are normally modified by immobilizing organic and inorganic groups to their surfaces [14]. The functional materials obtained thus can effectively remove certain toxic metals from aqueous media.…”

Section: Nano-chamomile Waste As a Low-cost Biosorbent For Rapid Remomentioning

confidence: 99%

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Nano-chamomile waste as a low-cost biosorbent for rapid removal of heavy metal ions from natural water samples

2019

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I N this study, we report the feasibility of using nano chamomile waste (NCW) as a selective solid phase extractor for heavy metal ions. The experimental parameters including pH (1.0-6.0), metal ion concentration (10-100 µmole), adsorbent dose (10-1000 mg), and biosorption time (0.5-90 min) were altered by using the batch technique to optimize the maximum capacity of this new biosorbent. The experimental data by NCW agreed with both Freundlich and Langmuir models (R 2 =0.999) with maximum uptake capacities of 621.6 mgg-1 (3 mmolg-1) for Pb (II), 163.9 mgg-1 (2.58 mmolg-1) for Cu (II), and 522.7 mgg-1 (9.36 mmolg-1) for Fe (III). In addition, the values of metal uptake as a function of time agreed with the kinetic pseudosecond-order model. The kinetic experiments confirmed the fast accessibility of metal ions to the biosorbent surface resulting in equilibrium within 30 s. NCW was also characterized using FT-IR spectra and the crystallinity of the biosorbent was characterized using X-ray diffraction (XRD). The morphological characterization and particle size of NCW were obtained using SEM and TEM, respectively. Our method was investigated to measure Pb (II), Cu (II), and Fe (III) with a certain spiked amounts in natural water samples such as groundwater (GW), drinking tap water (DTW), natural drinking water (NDW), Nile River water (NRW), seawater (SW), and wastewater (WW). A removal efficiency of ≥98% was obtained for all collected samples using batch experiments and without matrix interferences. Considering its cheap source, simple, economic and fast uptake process, NCW can be used as a low-cost nano biosorbent for the removal of metal ions from natural water samples.

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Section: Nano-chamomile Waste As a Low-cost Biosorbent For Rapid Remomentioning

confidence: 99%

Section: Nano-chamomile Waste As a Low-cost Biosorbent For Rapid Remomentioning

confidence: 99%

Nano-chamomile waste as a low-cost biosorbent for rapid removal of heavy metal ions from natural water samples

2019

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“…Currently, efforts to reuse such waste in a briquette production process as a part of the batch for iron production has been undertaken. A fine converter sludge (CS) is mixed with a converter dust, and their mixture is used in the construction industry for cement production [5,6].…”

Section: Introductionmentioning

confidence: 99%

“…; using a suitable sorbent is another favorable way of removing pollutants from wastewater. Price, availability, adsorption capacity, and strong affinity to pollutants are limiting factors for sorbent application in wastewater treatment; hence, new materials to be used as sorbents are constantly being evaluated [6].…”

Section: Introductionmentioning

confidence: 99%

Reducing the Content of Metal Ions from Mine Water by Using Converter Sludge

Rozumová

Prehradná

2018

Water

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Abstract:The aim of this paper was to study of utilization of converter sludge waste as a sorbent. The sorbent was utilized to reduce the content of manganese, cobalt, and nickel ions from mine water. Sorbent utilized in this work was obtained from the metallurgical industry from a process of gas treatment in an oxygen converter. Converter sludge was characterized by X-ray diffraction, Scanning Electron Microscope, X-ray fluorescence spectroscopy, Specific Surface Area and Particle Size. Sorption experiments were conducted in a batch mode by using the real mine water. The impact of pH and contact time on the pollutant removal efficiency was observed. The sorption kinetics were evaluated with pseudo-first and pseudo-second order kinetic models. For the tested materials, the highest level of mine water purification was achieved; thus, the mine water could be discharged into the watercourse. The results of this study indicate that the application of metallurgical waste as a sorbent is highly effective for the treatment of multicomponent mine water.

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“…Esta leguminosa não só possui grande potencial nutritivo, como também tecnológico. As cascas, cuja composição encontra-se na Tabela 3, tem atraído o interesse de inúmeras pesquisas, que visam a utilização deste resíduo como substrato para a digestão anaeróbia (DAHUNSI; ORANUSI; EFEOVBOKHAN, 2017a), codigestão anaeróbia (DAHUNSI; ORANUSI; EFEOVBOKHAN, 2017b), e como adsorvente (ABDELFATTAH et al, 2016b;ALLEN et al, 2005;GEORGIN et al, 2016;LIU et al, 2017;ROZUMOVÁ et al, 2016;XU et al, 2017).…”

Section: Bio-adsorçãobio-adsorventesunclassified

Aplicação de bio-adsorventes como pré-tratamento da digestão anaeróbia de efluente de liquefação hidrotermal de >i<Spirulina>/i<

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Magnetically modified peanut husks as an effective sorbent of heavy metals

Cited by 39 publications

References 36 publications

Nano-chamomile waste as a low-cost biosorbent for rapid removal of heavy metal ions from natural water samples

Nano-chamomile waste as a low-cost biosorbent for rapid removal of heavy metal ions from natural water samples

Reducing the Content of Metal Ions from Mine Water by Using Converter Sludge

Aplicação de bio-adsorventes como pré-tratamento da digestão anaeróbia de efluente de liquefação hidrotermal de >i<Spirulina>/i<

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