Next Article in Journal
Advances in Mid-IR Fiber Lasers: Tellurite, Fluoride and Chalcogenide
Next Article in Special Issue
In Situ Produced Bacterial Cellulose Nanofiber-Based Hybrids for Nanocomposites
Previous Article in Journal
Compact Narrow Linewidth Actively Q-Switched Er–Yb Double-Clad Fiber Laser
Article Menu
Issue 2 (June) cover image

Export Article

Open AccessArticle
Fibers 2017, 5(2), 22; doi:10.3390/fib5020022

Effect of Calcination Temperature on NO–CO Decomposition by Pd Catalyst Nanoparticles Supported on Alumina Nanofibers

1
Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH 44325, USA
2
Department of Chemical Engineering, Jazan University, Jazan 45142, Saudi Arabia
3
Domnick Hunter Process Filtration Division, Parker-Hannifin Corporation, Oxnard, CA 93030, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Anil Narayan Netravali
Received: 28 April 2017 / Revised: 25 May 2017 / Accepted: 6 June 2017 / Published: 8 June 2017
(This article belongs to the Special Issue Nanofibers)
View Full-Text   |   Download PDF [5494 KB, uploaded 8 June 2017]   |  

Abstract

In this work, palladium (Pd) nanoparticles were blended into a solution of a sacrificial polymer and an aluminum sol gel precursor to form alumina fibers containing the palladium particles. The polymer solution was electrospun into template submicron fibers. These fibers were calcined at temperatures between 650 °C and 1150 °C to remove the polymer and oxidize the aluminum. The internal crystalline morphologies of the calcined fibers transformed with change in the calcination temperature. The calcined fibers were formed into fibrous mats and further tested for their catalytic performances. The Pd particles had a size ranging from 5–20 nm and appeared randomly distributed within and near the surfaces of the alumina fibers. The final metal loading of all Pd/Al2O3 samples ranged from 4.7 wt % to 5.1 wt %. As calcination temperature increased the alumina crystal structure changed from amorphous at 650 °C to alpha crystal structure at 1150 °C. With the increase of calcination temperature, the average fiber diameters and specific surface areas decreased. The catalyst supported fiber media had good conversion of NO and CO gases. Higher calcination temperatures led to higher reaction temperatures from 250 to about 450 °C for total conversion, indicating the effective reactivity of the fiber-supported catalysts decreased with increase in calcination temperature. The fibers formed at the 650 °C calcination temperature had the highest reaction activity. View Full-Text
Keywords: alumina; palladium; calcination; electrospinning; nanofibers; nanoparticles alumina; palladium; calcination; electrospinning; nanofibers; nanoparticles
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Shin, H.U.; Abutaleb, A.; Lolla, D.; Chase, G.G. Effect of Calcination Temperature on NO–CO Decomposition by Pd Catalyst Nanoparticles Supported on Alumina Nanofibers. Fibers 2017, 5, 22.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Fibers EISSN 2079-6439 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top