Cu(II) removal enhancement from aqueous solutions using ion-imprinted membrane technique
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Soheil Zarghami
,
Mansoor Kazemimoghadam
Abstract
In this study, Cu(II)-ion-imprinted membrane adsorbents were prepared via cross-linking of blended chitosan/poly(vinyl alcohol) using glutaraldehyde as cross-linker and copper ions as template. The ability of IIMs to adsorb copper ions from aqueous solutions was assessed using a batch of experiments under different conditions by changing cross-linking density (0.05 mass %, 0.1 mass %, and 0.2 mass %), template content (0.2 mass %, 0.5 mass %, and 0.9 mass %), initial analyte concentration (50 mg L−1, 100 mg L−1, and 150 mg L−1), and adsorbent concentration (0.5 g L−1, 1.0 g L−1, and 2.0 g L−1). The Taguchi method was used to plan a minimum number of experiments. The following optimal levels were thus determined for the four factors: cross-linking density: 0.1 mass %; template content: 0.5 mass %; initial analyte concentration: 150 mg L−1; and adsorbent concentration: 0.3 g L−1.
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Artikel in diesem Heft
- Rapid determination of fosetyl-aluminium in commercial pesticide formulations by high-performance liquid chromatography
- Immobilisation of acid pectinase on graphene oxide nanosheets
- Bench-scale biosynthesis of isonicotinic acid from 4-cyanopyridine by Pseudomonas putida
- Enzymatic synthesis of a chiral chalcogran intermediate
- Separation of Cd(II) and Ni(II) ions by supported liquid membrane using D2EHPA/M2EHPA as mobile carrier
- Fouling of nanofiltration membranes used for separation of fermented glycerol solutions
- Oxyhumolite influence on adsorption and desorption of phosphate on blast furnace slag in the process of two-stage selective adsorption of Cu(II) and phosphate
- Cellulose-precipitated calcium carbonate composites and their effect on paper properties
- Landfill leachate treatment using the sequencing batch biofilm reactor method integrated with the electro-Fenton process
- Effect of sintering temperature on the magnetic properties and charge density distribution of nano-NiO
- Synthesis, optimization, characterization, and potential agricultural application of polymer hydrogel composites based on cotton microfiber
- Cu(II) removal enhancement from aqueous solutions using ion-imprinted membrane technique
- Synthesis of new eburnamine-type alkaloid via direct hydroalkoxylation
- Selection of surfactants as main components of ecological wetting agent for effective extinguishing of forest and peat-bog fires
- Ultrasonic and Lewis acid ionic liquid catalytic system for Kabachnik-Fields reaction
- A simple method for creating molecularly imprinted polymer-coated bacterial cellulose nanofibers
- Determination of pK a of N-alkyl-N,N-dimethylamine-N-oxides using 1H NMR and 13C NMR spectroscopy
