A new approach for rhenium(VII) recovery by using modified brown algae Laminaria japonica adsorbent

Xiong, Ying; Xu, Jia; Shan, Wei; Lou, Zhenning; Fang, Dawei; Zang, Shuliang; Han, Guangxi

doi:10.1016/j.biortech.2012.09.099

Cited by 70 publications

(38 citation statements)

References 27 publications

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“…Recovery of Re from a waste water employing biosorption technique has also been studied. Using the brown algae Laminaria japonica in its modified cross-link gel structure exhibited a maximum 97% sorption with the capacity 37.2 mg/g at pH 6.0 [106]. The result showed a higher affinity for Re in comparison with the earlier used sorbents of persimmon and orange peel [107,108].…”

Section: Bio-reclamation Of Other Critical Metalsmentioning

confidence: 88%

Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources

Ilyas

Kim

Lee

et al. 2017

Metals

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Abstract:Metals with an average crustal abundance of <0.01 ppm, which are high in supply shortage due to soaring demand, can, under the excessive environmental risk and <1% recycling rate of their production, be termed as 'critical' in a limited geo-boundary. A global trend to the green energy and low carbon technologies with geopolitical scenario is challenging for the sustainable reclamation of these metals from secondary resources. Among the available processes, bio-reclamation can be a sustainable technique for extracting and concentrating these metals. Therefore, in the present paper, the potential reclamation of critical metals (including rare earth elements, precious metals, and a common nuclear fuel element, uranium) via their interaction with microbe/s has been reviewed.

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Section: Bio-reclamation Of Other Critical Metalsmentioning

confidence: 88%

Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources

Ilyas

Kim

Lee

et al. 2017

Metals

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“…Various sorbents, such as active carbon [11][12][13], nano-Al 2 O 3 [14], naturally occurring materials (rice husk, peanut shells, corn cobs etc. ), and modified biomass materials [15][16][17] were commonly used for recovery of rhenium. However, their application is often restricted due to difficulty in regeneration and higher disposal cost.…”

Section: Introductionmentioning

confidence: 99%

Highly enhanced selectivity for the separation of rhenium and molybdenum using amino-functionalized magnetic Cu-ferrites

Yang

Liu

et al. 2015

J Mater Sci

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An effective method based on magnetic solidphase extraction for the selective recovery of rhenium and molybdenum has been developed using diethylaminefunctionalized magnetic CuFe 2 O 4 (NH 2 @CuFe 2 O 4 ) as adsorbents. Various experimental parameters that could affect the extraction efficiency had been investigated in detail. NH 2 @CuFe 2 O 4 exhibited high adsorption ability and selectivity to ReO À 4 and MoO 2À 4 ; selective separation of ReO À 4 and MoO 2À 4 could be achieved by adjusting pH of the aqueous solution. The ReO À 4 =MoO 2À 4 adsorption reaction was found to be fast, and the adsorption equilibrium was attained within 6.0 min following a pseudo-secondorder model with an observed rate constant (k 2 ) of 0.0215 mgÁg -1 Ámin -1 /0.0496 mgÁg -1 Ámin -1 at 298 K. The adsorption data could be well interpreted by the Langmuir model. The maximum adsorption capacities for ReO À 4 and MoO 2À 4 obtained from the Langmuir model are 41.667 and 62.893 mg g -1 , respectively. The extraction recovery of ReO À 4 =MoO 2À 4 was more than 93 % from Mo-Re simulated industrial leach liquor.

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“…On the other hand, the pseudo first order model showed the least fit to the data. The adequacy of the pseudo second order model to fit the adsorption data suggests that the rate-limiting step is a chemical sorption or chemisorptions involving valence forces through sharing or exchange of electrons between adsorbate and adsorbent [18]. Moreover, the applicability of both pseudo-second-order and Elovich kinetic models to the experimental data gives a further confirms that chemisorptions is the dominant process in controlling [19].…”

Section: Single and Binary Al(iii) And Fe(iii) Kinetics Analysismentioning

confidence: 82%

Cost Effective Adsorption of Aluminium and Iron from Synthetic and Real Wastewater by Rice Hull Activated Carbon (RHAC)

Abdel‐Ghani¹,

El-Chaghaby²,

Zahran³

2015

AJAC

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The adsorption of aluminium(III) and iron(III) ions from their single and binary systems, by RHAC was investigated in a batch system. The activated carbon prepared from rice hulls was characterized by scanning electron microscopy and Fourier transformation infrared techniques. Batch adsorption experiments were performed under different operating conditions including pH (2 -5), adsorbent dosage (0.5 -2.0 g/l), initial ion concentration (5 -100 mg/l), and contact time (30 -240 min). The equilibrium time for maximum ions removal was found to be 180 min in single and binary ions systems. The kinetics of adsorption was evaluated using the pseudo-first order, pseudosecond order and Elovich kinetic models. The Langmuir, Freundlich and Temkin equilibrium models were applied to the adsorption experimental data. Real wastewater samples were collected from different locations to investigate the efficiency of rice hull activated carbon in treating real samples. The real wastewater samples were treated with the activated carbon prepared from rice hulls and a commercial activated carbon. The results showed that the activated carbon prepared in the present work was more efficient in the removal of aluminium and iron from real wastewater as compared to the commercial activated carbon which is more advantageous considering both economics and environmental parameters.

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A new approach for rhenium(VII) recovery by using modified brown algae Laminaria japonica adsorbent

Cited by 70 publications

References 27 publications

Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources

Bio-Reclamation of Strategic and Energy Critical Metals from Secondary Resources

Highly enhanced selectivity for the separation of rhenium and molybdenum using amino-functionalized magnetic Cu-ferrites

Cost Effective Adsorption of Aluminium and Iron from Synthetic and Real Wastewater by Rice Hull Activated Carbon (RHAC)

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