Patent · US Expired

Nitrogen trifluoride production apparatus

US6010605A · kind A · utility

8Cited by
0References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 26, 1996
Grant dateJan 4, 2000
Priority date
Expiry dateDec 26, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25B15/08
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Apparatus is disclosed for the production of nitrogen trifluoride (NF.sub.3), starting with an anhydrous molten flux including ammonia (NH.sub.3), a metal fluoride (MF), and hydrogen fluoride (HF). The apparatus includes an electrolyzer, an ammonia solubilizer, a hydrogen fluoride solubilizer, a nitrogen trifluoride reactor, two compressors, two pumps, three condensers a gas recycle loop, and, two flux loops of the same component ternary flux, but each loop with different concentration.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.