Adsorption of Copper Ion with Metal Hydroxide from Ammonia Solution

Luo, Chien-Shu; Huang, Shang‐Da

doi:10.1080/01496399308018035

Cited by 21 publications

(3 citation statements)

References 30 publications

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“…Enthalpy and entropy changes for binding of the investigated cations by solid NB vary with the metal, Table (2). Positive change in the entropy may be indicative of the strong adsorption of cations to active sites of the adsorbent [29].The same behavior at all five temperatures supports use of the Langmuir model to describe binding of the investigated metal cations to solid NB. The straight line in Fig.…”

Section: Comparison Of Metal Binding Capacitiessupporting

confidence: 64%

Thermodynamic Profile of Some Heavy Metal Ions Adsorption Onto Biomaterial Surfaces

Shaker¹

2007

American J. of Applied Sciences

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The adsorption of Co²⁺, Zn²⁺, Pb²⁺ and Hg²⁺ onto dried non-living biomass (NB) of different Pseudomonas strains has been investigated in detail. Maximum adsorption of these cations is achieved at optimum pH values from 3.5 to 4.5 to avoid hydrolysis, polymerization and precipitation of metal cations in the treatment solutions. The experimental data obtained at different temperatures were fitted to the Langmuir model at different temperatures from 283 to 323 K. Metal ions adsorption occurs in multi detectable steps (i=A, B, C). Binding of Pb(II) to NB occurs in one detectable step labeled A, where two detectable binding steps were observed for the other cations; A and B for Zn(II), A and C for Co(II), B and C for Hg(II), respectively. Site capacities, υi are found to be temperature-independent in the whole investigated temperature range. The thermodynamic parameters (∆Hi, ∆Si and ∆Gi) for the adsorption processes were calculated for each binding step i and the results suggest that the nature of adsorption is endothermic and the process is spontaneous and favorable. Thermodynamic data pairs (∆Hi , ∆Si) for metal binding are linearly correlated for all sites in the investigated biosorption systems

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Section: Comparison Of Metal Binding Capacitiessupporting

confidence: 64%

Thermodynamic Profile of Some Heavy Metal Ions Adsorption Onto Biomaterial Surfaces

Shaker¹

2007

American J. of Applied Sciences

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“…Heavy metals, even at very low concentrations, are toxic pollutants, and have to be removed from wastewater streams due to their undesired effects on human physiology and ecological systems [1]. Micro-filtration membranes have attracted increased attention for their potential capability in the field of separation, and it has been shown to be an effective technique in removing heavy metals from aquatic media.…”

Section: Introductionmentioning

confidence: 99%

Separation of copper ions from iron ions using PVA-g-(acrylic acid/N-vinyl imidazole) membranes prepared by radiation-induced grafting

Ajji

Ali

2010

Journal of Hazardous Materials

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“…The Cd enters into the ecosystem through atmospheric sources and a variety of industrial processes. Cd(II) are toxic in nature and pose a serious health threat to living beings [17][18][19]. The high amount of cadmium poisoning in humans has caused respiratory distress, hypertension, a number of cancers, cardiovascular disease, tracheobronchitis, various endocrine organs, and kidney problems [20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Composite Polymeric Cryogel Cartridges for Selective Removal of Cadmium Ions from Aqueous Solutions

et al. 2020

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In this study, composite polymeric cryogel cartridges were achieved by using Cd(II) imprinted poly(hydroxyethyl methacrylate N-methacryloly-(L)-cysteine methylester) beads and poly(hydroxyethyl methacrylate) cryogel cartridges with two different mole ratios of functional monomer. The N-methacryloly-(L)-cysteinemethylester was used as a functional monomer and Cd(II) 1:1 and 2:1, which were then notated as MIP1 and MIP2, respectively. Various characterization methods have confirmed the structural transformation on the MIP1 and MIP2 composite cryogel cartridges by scanning electron microscopy, Fourier-transform infrared spectroscopy-Attenuated Total Reflectance, and swelling tests. The maximum amount of Cd(II) adsorption with composite cryogel cartridges was determined by altering the Cd(II) initial concentration, temperature, and pH values. The maximum adsorption capacity of MIP1 and MIP2 composite cryogel cartridges obtained was 76.35 and 98.8 µmol/g of composite cryogels, respectively. The adsorption studies revealed that the MIP2 possessed a good adsorption performance for Cd(II). The obtained composite cryogel cartridges have a selective, reusable, and cost-friendly potential for the removal of Cd(II) from aqueous solutions, and are used many times without decreasing their adsorption capacities significantly. The Cd(II) removal rate of the MIP1 and MIP2 composite cryogel cartridges from synthetic wastewater samples was determined as 98.8%. The obtained cryogel cartridges’ adsorption material exhibited a good directional removal performance for Cd(II) from wastewater samples.

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Adsorption of Copper Ion with Metal Hydroxide from Ammonia Solution

Cited by 21 publications

References 30 publications

Thermodynamic Profile of Some Heavy Metal Ions Adsorption Onto Biomaterial Surfaces

Thermodynamic Profile of Some Heavy Metal Ions Adsorption Onto Biomaterial Surfaces

Separation of copper ions from iron ions using PVA-g-(acrylic acid/N-vinyl imidazole) membranes prepared by radiation-induced grafting

Composite Polymeric Cryogel Cartridges for Selective Removal of Cadmium Ions from Aqueous Solutions

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