Removal of methylene blue using polyacrylonitrile yarn waste/carboxylic group functionalized multiwall carbon nanotube nanofibrous composite

2018 ◽  
Vol 113 ◽  
pp. 244-253
Author(s):  
S. Swaminathan ◽  
N.M. Imayathamizhan ◽  
A. Muthumanickkam ◽  
G. Baskar
Keyword(s):  
Methylene Blue ◽  
Carbon Nanotube ◽  
Multiwall Carbon Nanotube ◽  
Carboxylic Group ◽  
Polyacrylonitrile Yarn ◽  
Multiwall Carbon

scholarly journals Photo-catalytic dye degradation of methylene blue by using ZrO2/MWCNT nanocomposites

2021 ◽  
Author(s):  
Akshatha Gangadhar ◽  
Abhilash Mavinakere Ramesh ◽  
Jagadish Krishnegowda ◽  
Srikantaswamy Shivanna
Keyword(s):  
Methylene Blue ◽  
Carbon Nanotube ◽  
Photoelectron Spectroscopy ◽  
Zirconium Oxide ◽  
Dye Degradation ◽  
Irradiation Time ◽  
Synthesis Method ◽  
Multiwall Carbon Nanotube ◽  
X Ray ◽  
Multiwall Carbon

Abstract Photocatalytic degradation of the dyes was deliberated by altering the catalyst and dye concentrations. The Zirconium oxide/Multiwall carbon nanotube (ZrO2/MWCNT) catalyst was facilely synthesized by a hydrothermal synthesis method. The nanocomposite ZrO2/MWCNT was formed in hydrothermal condition 95 °C of low growth temperature. The physico-chemical properties were successfully characterized using X-ray diffraction, (XRD) Scanning Electron Microscope (SEM), Energy dispersive Spectroscopy (EDS), Dynamic light scattering (DLS) analysis, X-ray photoelectron spectroscopy (XPS). The presence of Orbicular shaped ZrO2 nanocrystallines and Multiwall carbon nanotube was characterized by XRD pattern shows the presence of ZrO2 and MWCNT with the 2θ peaks at 19.62, 22.5 & 30.2. The thermal behavior of the ZrO2/MWCNT partials was also investigated by differential thermal analysis, and their vibrational bands were identified by infrared spectroscopy. The photo catalytic degradation of methylene blue in industrial wastewater was observed under UV light irradiation using the synthesized ZrO2/MWCNT as catalyst. The results revealed that the ZrO2/MWCNT nanoparticles exhibited high degeneration with COD and TOC reducing from 241 mg/L and 148.00 mg/L to 2.34 mg/L and 1.26 mg/L respectively with the efficiency of 90–94% over 25–60 min duration of UV irradiation time. In comparison with the pristine Zirconium Oxide and MWCNT, the composite ZrO2/MWCNT nanoparticles exhibited more efficient, the durable and stable photo-catalytic activity during experiments.

scholarly journals All-Fiber Pyro- and Piezo-electric Nanogenerator for IoT Based Self-Powered Health-Care Monitoring

2021 ◽  
Author(s):  
Biswajit Mahanty ◽  
Sujoy Kumar Ghosh ◽  
Kuntal Maity ◽  
KRITTISH ROY ◽  
Subrata Sarkar ◽  
...  
Keyword(s):  
Health Care ◽  
Carbon Nanotube ◽  
Vinylidene Fluoride ◽  
Electrospun Nanofibers ◽  
Multiwall Carbon Nanotube ◽  
Poly Vinylidene Fluoride ◽  
Self Powered ◽  
Health Care Monitoring ◽  
Multiwall Carbon ◽  
Piezo Electric

In this work, an all-fiber pyro- and piezo-electric nanogenerator (PPNG) is designed by multiwall carbon nanotube (MWCNT) doped poly(vinylidene fluoride) (PVDF) electrospun nanofibers as the active layer and interlocked conducting...

Synthesis, thermal, mechanical and rheological properties of multiwall carbon nanotube/waterborne polyurethane nanocomposite

2005 ◽  
Vol 65 (11-12) ◽  
pp. 1703-1710 ◽  
Author(s):  
Hsu-Chiang Kuan ◽  
Chen-Chi M. Ma ◽  
Wei-Ping Chang ◽  
Siu-Ming Yuen ◽  
Hsin-Ho Wu ◽  
...  
Keyword(s):  
Carbon Nanotube ◽  
Rheological Properties ◽  
Waterborne Polyurethane ◽  
Multiwall Carbon Nanotube ◽  
Multiwall Carbon
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