Reclamation of niobium compounds from ionic liquid electrochemical polishing of superconducting radio frequency cavities
Abstract
Recent research has shown that choline chloride (vitamin B4)-based solutions can be used as a greener alternative to acid-based electrochemical polishing solutions. This study demonstrated a successful method for electrochemical deposition of niobium compounds onto the surface of copper substrates using a novel choline chloride-based ionic liquid. Niobium ions present in the ionic liquid solution were dissolved into the solution prior to deposition via electrochemical polishing of solid niobium. A black coating was clearly visible on the surface of the Cu following deposition. This coating was analyzed using scanning electron microscopy (SEM), electron dispersive X-ray spectroscopy (EDX), atomic force microscopy (AFM), and X-ray fluorescence spectroscopy (XRF). This ionic liquid-based electrochemical deposition method effectively recycles previously dissolved niobium from electrochemical polishing of superconducting radio frequency (SRF) cavities.
- Authors:
-
- Christopher Newport University, Newport News, VA (United States)
- Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1089288
- Report Number(s):
- JLAB-ACC-13-1661; DOE/OR/23177-2646
Journal ID: ISSN 2213-3437; TRN: US1300379
- DOE Contract Number:
- AC05-06OR23177
- Resource Type:
- Journal Article
- Journal Name:
- Journal of Environmental Chemical Engineering
- Additional Journal Information:
- Journal Volume: 1; Journal Issue: 1-2; Journal ID: ISSN 2213-3437
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; 36 MATERIALS SCIENCE; Niobium; Ionic liquid; Acid free; Electrochemical deposition; Green process
Citation Formats
Wixtrom, Alex I., Buhler, Jessica E., Reece, Charles E., and Abdel-Fattah, Tarek M. Reclamation of niobium compounds from ionic liquid electrochemical polishing of superconducting radio frequency cavities. United States: N. p., 2013.
Web. doi:10.1016/j.jece.2013.03.001.
Wixtrom, Alex I., Buhler, Jessica E., Reece, Charles E., & Abdel-Fattah, Tarek M. Reclamation of niobium compounds from ionic liquid electrochemical polishing of superconducting radio frequency cavities. United States. https://doi.org/10.1016/j.jece.2013.03.001
Wixtrom, Alex I., Buhler, Jessica E., Reece, Charles E., and Abdel-Fattah, Tarek M. 2013.
"Reclamation of niobium compounds from ionic liquid electrochemical polishing of superconducting radio frequency cavities". United States. https://doi.org/10.1016/j.jece.2013.03.001.
@article{osti_1089288,
title = {Reclamation of niobium compounds from ionic liquid electrochemical polishing of superconducting radio frequency cavities},
author = {Wixtrom, Alex I. and Buhler, Jessica E. and Reece, Charles E. and Abdel-Fattah, Tarek M.},
abstractNote = {Recent research has shown that choline chloride (vitamin B4)-based solutions can be used as a greener alternative to acid-based electrochemical polishing solutions. This study demonstrated a successful method for electrochemical deposition of niobium compounds onto the surface of copper substrates using a novel choline chloride-based ionic liquid. Niobium ions present in the ionic liquid solution were dissolved into the solution prior to deposition via electrochemical polishing of solid niobium. A black coating was clearly visible on the surface of the Cu following deposition. This coating was analyzed using scanning electron microscopy (SEM), electron dispersive X-ray spectroscopy (EDX), atomic force microscopy (AFM), and X-ray fluorescence spectroscopy (XRF). This ionic liquid-based electrochemical deposition method effectively recycles previously dissolved niobium from electrochemical polishing of superconducting radio frequency (SRF) cavities.},
doi = {10.1016/j.jece.2013.03.001},
url = {https://www.osti.gov/biblio/1089288},
journal = {Journal of Environmental Chemical Engineering},
issn = {2213-3437},
number = 1-2,
volume = 1,
place = {United States},
year = {Sat Jun 01 00:00:00 EDT 2013},
month = {Sat Jun 01 00:00:00 EDT 2013}
}