Chitin-Prussian blue sponges for Cs(I) recovery: From synthesis to application in the treatment of accidental dumping of metal-bearing solutions

Vincent, Chloë; Barré, Yves; Vincent, Thierry; Taulemesse, Jean-Marie; Robitzer, Mike; Guibal, Eric

doi:10.1016/j.jhazmat.2015.01.041

Cited by 56 publications

(36 citation statements)

References 28 publications

(43 reference statements)

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“…30 mL solution was taken in a sealable tube and shaken with 0.15 g CNF/PB/PVA sponge at 80 rpm for 7 days. Using a NaI scintillation counter, the radioactivity count rate before and after the adsorbing [cpm (count/min)] were respectively measured to calculate the partition coefficient by the following equation27.…”

Section: Methodsmentioning

confidence: 99%

“…The polymer matrix allows development of different shapes such as beads, spongy foam, membranes and fibers. Several polymers are available for immobilization, and the most common species are alginate, chitosan, polyurethane and polyvinyl alcohol272829. In our study polyvinyl alcohol (PVA) and polyurethane (PUF) were selected as a potential immobilizer for practical application of the CNF/PB complex material using the form of highly porous sponges.…”

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confidence: 99%

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Cellulose nanofiber backboned Prussian blue nanoparticles as powerful adsorbents for the selective elimination of radioactive cesium

Vipin

Fugetsu

Sakata

et al. 2016

Sci Rep

105

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On 11 March 2011, the day of the unforgettable disaster of the 9 magnitude Tohoku earthquake and quickly followed by the devastating Tsunami, a damageable amount of radionuclides had dispersed from the Fukushima Daiichi’s damaged nuclear reactors. Decontamination of the dispersed radionuclides from seawater and soil, due to the huge amounts of coexisting ions with competitive functionalities, has been the topmost difficulty. Ferric hexacyanoferrate, also known as Prussian blue (PB), has been the most powerful material for selectively trapping the radioactive cesium ions; its high tendency to form stable colloids in water, however, has made PB to be impossible for the open-field radioactive cesium decontamination applications. A nano/nano combinatorial approach, as is described in this study, has provided an ultimate solution to this intrinsic colloid formation difficulty of PB. Cellulose nanofibers (CNF) were used to immobilize PB via the creation of CNF-backboned PB. The CNF-backboned PB (CNF/PB) was found to be highly tolerant to water and moreover, it gave a 139 mg/g capability and a million (106) order of magnitude distribution coefficient (Kd) for absorbing of the radioactive cesium ion. Field studies on soil and seawater decontaminations in Fukushima gave satisfactory results, demonstrating high capabilities of CNF/PB for practical applications.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Cellulose nanofiber backboned Prussian blue nanoparticles as powerful adsorbents for the selective elimination of radioactive cesium

Vipin

Fugetsu

Sakata

et al. 2016

Sci Rep

105

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“…Among these radioelements, 137 Cs, a strong gamma emitter, is considered particularly problematic due to its long half-life (30.2 years) and transferability in the biosphere caused by its chemical similarity to potassium [3,4]. These radionuclides can be recovered using a range of diverse methods such as co-precipitation, evaporation/concentration, adsorption/ionexchange, and chromatography [5].…”

Section: Introductionmentioning

confidence: 99%

“…Since the former strategy immobilizes ion-exchangers onto the support surface, porous materials such as mesoporous silica [19,20] and carbon allotropes [21][22][23][24] are normally used. For the latter, ion-exchangers can be immobilized by encapsulation in polymer matrices such as chitin [3,18], alginate [21,25], and polyacrylic acid [26]. With the encapsulation method, it is feasible to control the shape, such as bead and film formation, as well as to load considerable quantities of active ionexchangers compared to the grafting method.…”

Section: Introductionmentioning

confidence: 99%

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Kim

et al. 2017

Chemical Engineering Journal

106

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“…This cationic property is the basis of its interesting ion‐exchange properties and its solubility. The dissolution of the polymer in acidic solutions opens the route to ready physical modifications of the polymer that can be conditioned under different forms …”

Section: Introductionmentioning

confidence: 99%

Chitosan for wastewater treatment

Desbrières

Guibal

2017

Polymer International

Self Cite

157

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Chitosan (an amino-polysaccharide obtained from deacetylation of chitin, the major constituent of crustaceous shells and insect cuticles) presents a cationic character in acidic media allowing its dissolution, its shaping and possible ion-exchange interactions with anionic compounds (a property applied in adsorption and coagulation-flocculation processes). In neutral media, non-protonated amino groups allow complexation of metal cations or organic chemicals. These different properties explain the interest taken by the scientific community in using this biopolymer. In solution it contributes to complex metals and their recovery by complexation-assisted ultrafiltration. It can also be used to coagulate-flocculate organic compounds (as anionic dyes). In the solid state, it can be used for metal ion adsorption, as well as adsorption of organic compounds (dyes, pesticides, drugs, endocrine disruptors, etc.). The adsorption and coagulation-flocculation processes will be compared and examples considered. Moreover, it is noteworthy that the thermal degradation of this type of material is also more environmentally friendly than that of conventional synthetic resins (production of hazardous by-products, etc.), a supplementary advantage of these biopolymer-based sorbents. Combined with its ability to be chemically or physically modified improving the potential and phase separation of chitosan-based materials, all these properties mean it is an excellent candidate for wastewater treatment.

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Chitin-Prussian blue sponges for Cs(I) recovery: From synthesis to application in the treatment of accidental dumping of metal-bearing solutions

Cited by 56 publications

References 28 publications

Cellulose nanofiber backboned Prussian blue nanoparticles as powerful adsorbents for the selective elimination of radioactive cesium

Cellulose nanofiber backboned Prussian blue nanoparticles as powerful adsorbents for the selective elimination of radioactive cesium

Nanostructured potassium copper hexacyanoferrate-cellulose hydrogel for selective and rapid cesium adsorption

Chitosan for wastewater treatment

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