Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study

《Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study》

来源专题：现代化工
编译者： 武春亮
发布时间：2024-07-25
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Paper Titles

Construction of Ternary Heterostructured NaNbO3/Bi2S3/ Ag Nanorods with Synergistic Pyroelectric and Photocatalytic Effects for Enhanced Catalytic Performance

p.1

Magnetic Nitrogen-Doped Fe3C@ c Catalysts for Efficient Activation of Peroxymonosulfate for Degradation of Organic Pollutants

p.17

Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study

p.33

Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures

p.49

Correlation between Crystallite Characteristics and the Properties of Copper Thin Film Deposited by Magnetron Sputtering: Bias Voltage Effect

p.65

Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (μ-TiO2)/(Nano-CaCO3)

p.79

Production of Cu/Zn Nanoparticles by Pulsed Laser Ablation in Liquids and Sintered Cu/Zn Alloy

p.91

HomeJournal of Nano ResearchJournal of Nano Research Vol. 83Continuous Remediation of Congo Red Dye Using...

Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study

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Abstract:

This study employed an innovative approach, utilizing prepared dried polyurethane-polyaniline nano-composite, through in-situ polymerization, for continuous remediation of Congo red dye. Response Surface Methodology (RSM) based on the Box-Behnken design (BBD) model was utilized to optimize the processing parameters, including initial dye concentration, flow rate, and pH. The two-factor interaction (2FI) model emerged as the most significant, highlighting the influence of individual and interaction effects of the factors. Optimization of the dye remediation process yielded the optimal conditions of a flow rate of 10 mL/min, acidic pH of 5.00, and dye concentration of 20 mg/L, resulting in an impressive, predicted removal efficiency of 99.09% agreeing with the experimental value. Moreover, the maximum adsorption capacity was determined to be 329.68 mg/g. Characterization of the adsorbent material involved techniques such as Scanning electron microscopy (SEM), Fourier transforms infrared spectra (FTIR), X-ray spectroscopy (XRD), and Zeta potential analysis. This material offers a sustainable alternative in industries to treat Congo red dye before being disposed of into the environment.

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Periodical:

Journal of Nano Research (Volume 83)

Pages:

33-48

DOI:

https://doi.org/10.4028/p-uyW1nl

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Online since:

July 2024

Authors:

Abubakar Ibrahim, Usama Nour Eldemerdash, Tsuyoshi Yoshitake, Wael M. Khair-Eldeen, Marwa Elkady

Keywords:

Congo Red Dye, Continuous Water Treatment, Foam, Polyurethane-Polyaniline Nanocomposite, Response Surface Methodology (RSM)

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《Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (》
- 来源专题：现代化工
- 编译者：武春亮
- 发布时间：2024-07-25
- Registration Log In For Libraries For Publication Downloads News About Us Contact Us For Libraries For Publication Downloads News About Us Contact Us Search Paper Titles Construction of Ternary Heterostructured NaNbO3/Bi2S3/ Ag Nanorods with Synergistic Pyroelectric and Photocatalytic Effects for Enhanced Catalytic Performance p.1 Magnetic Nitrogen-Doped Fe3C@ c Catalysts for Efficient Activation of Peroxymonosulfate for Degradation of Organic Pollutants p.17 Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study p.33 Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures p.49 Correlation between Crystallite Characteristics and the Properties of Copper Thin Film Deposited by Magnetron Sputtering: Bias Voltage Effect p.65 Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (μ-TiO2)/(Nano-CaCO3) p.79 Production of Cu/Zn Nanoparticles by Pulsed Laser Ablation in Liquids and Sintered Cu/Zn Alloy p.91 HomeJournal of Nano ResearchJournal of Nano Research Vol. 83Development of Hydrophilic Self-Cleaning and... Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (μ-TiO2)/(Nano-CaCO3) Article Preview Abstract: The dust accumulation and dirt particles always degrade the transparency of glass, later hampers its various applications such as photovoltaic panels, building glass, and car-windshield. In this study, the hydrophilic self-cleaning coatings have been developed by using the nanocalcium Carbonate particles (nanoCaCO3) and hydrophilic micro-titanium dioxide particles (μ-TiO2). The presence of oxide groups, CO-3 and TiO2- forms a strong attraction of glass to polar water molecules. At the weight ratio of 1: 1 in the CaCO3 to TiO2 mixture, it forms a great hydrophilic property in which the water contact angle (WCA) of coated glass has been recorded as low as 11.46 ±0.85°. The coated glass also showed high transparency in UV and Visible regions. The optical transmission of coated glass was above 89% at the wavelength of 300-400nm and above 97% at the wavelength of 400-800nm. Due to its hydrophilic property, the coated glass is capable of removing the dust particles away via the water stream. The hydrophilic coating spontaneously forms the water-thin film after contact with coated glass without the presence of UV light. Access through your institution Add to Cart You might also be interested in these eBooks View Preview Info: Periodical: Journal of Nano Research (Volume 83) Pages: 79-89 DOI: https://doi.org/10.4028/p-4HWb6k Citation: Cite this paper Online since: July 2024 Authors: Amirul Syafiq, Jamilatul Awalin Awalin, Mohd Syukri Ali, Mohd Arif Mohd Sarjidan, Nasrudin Abd Rahim, Adarsh Kumar Panday Keywords: Calcium Carbonate, Hydrophilic, Self-Cleaning, Titanium Dioxide, Transparency Export: RIS, BibTeX Price: Permissions: Request Permissions Share: - Corresponding Author References [1] A. Syafiq, V. Balakrishnan, M.S. 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《Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures》
- 来源专题：现代化工
- 编译者：武春亮
- 发布时间：2024-07-25
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Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures Article Preview Abstract: Electron transport behaviour in InSb semiconductor significantly changes when the conduction is restricted to two-dimensions. Semiconductor materials are an effective tools to characterize the electron transport in this aspect because the energy separation between transverse modes in a low-dimensional semiconductor device are always inversely proportional to the effective mass, in the same way as for sub-bands in a parabolic potential. Therefore, in this article, a range of novel device geometries were designed, fabricated and characterized to investigate ballistic transport of electrons in low-dimensional InSb structures using surface gated devices to restrict the degrees of freedom (dimensionality) of the active conducting channel. In this framework, designs of gates (i.e., line, loop and solid discussed later) have been used over a range of gate dimensions. Consistent measurement of quantised conductance would be promising for both low power electronics and low temperature transport physics where split gates are typically used for charge sensing. This article presents an experimental results of quantization conductance obtained for the range geometries of novel gates, and some model consideration of the implications of the material choice. Furthermore, the etching techniques (wet and dry) exhibited a significant decrease of ohmic contact resistance from around 35kΩ to only roughly 250Ω at room temperature. Interestingly a possible 0.7 anomaly conduction was observed with a loop gate structure. This work showed perfectly that the two-dimensional electron gases can be formed in narrow gap InSb QWs which makes this configuration device promising candidate for topological quantum computing and next generation integrated circuit applications. Keywords: Quantization conductance, InSb QW, 2DEG, spilt gate structure, ballistic transport. Access through your institution Add to Cart You might also be interested in these eBooks View Preview Info: Periodical: Journal of Nano Research (Volume 83) Pages: 49-63 DOI: https://doi.org/10.4028/p-PLC4fu Citation: Cite this paper Online since: July 2024 Authors: Shawkat Ismael Jubair, Asheraf Eldieb, Ghassan Salem, Ivan Bahnam Karomi, Phil Buckle Keywords: 2 Dimensional Electron Gas (2DEG), Ballistic Transport, InSb Qw, Quantization Conductance, Spilt Gate Structure Export: RIS, BibTeX Price: Permissions: Request Permissions Share: - Corresponding Author References [1] K. Delfanazari, J. Li, Y. Xiong, P. Ma, R. K. Puddy, T. Yi, I. Farrer , S. 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《Continuous Remediation of Congo Red Dye Using Polyurethane-Polyaniline Nano-Composite Foam: Experiment and Optimization Study》

《Development of Hydrophilic Self-Cleaning and Ultraviolet-Shielding Coatings Incorporating Micro-Titanium Dioxide/Nano-Calcium Carbonate (》

《Quantization Conductance of InSb Quantum-Well Two-Dimensional Electron Gas Using Novel Spilt Gate Structures》