NIOSHTIC-2 Publications Search

Solubility of Ni in spent pickling solutions.

Authors
Reddy RG; Chen B; Wang S; Horter GL; Stephenson JB
Source
Residues and effluents--processing & environmental considerations: Proceedings of an International Symposium sponsored by Extraction and Process Division of TMS and The Iron and Steel Society at the 1992 TMS Annual Meeting, San Diego, California, USA, March 1-5, 1992. Reddy RG; Imrie WP; Queneau PB eds. Warrendale, PA: TMS, :801-813
Link
NIOSHTIC No.
10011691
Abstract
Nickel solubilities in spent pickling solutions (i.E, HF-HNO3-H20 solutions) were measured as a function of HF and HN03 acid concentrations. The chemical analysis of the industrial pickling solutions and sludges were made. The stable phases observed in the sludges are FeF3*3H2O and (FeCr)F3*3H2O. Pure Ni and stainless steel type 316 were used in this study. The results showed that the solubility of Ni increased with increase in concentrations of HF in pickling solution at a fixed concentration HNO3. An excellent agreement between the experimental solubility data and the theoretical data was obtained. X-ray diffraction analysis showed that the solid solubility product formed is mainly NiF2*4H2O compound.
Keywords
Metals; Steel industry; Acids; Nickel compounds; Iron compounds; Iron industry; Nitric acid; Hydrofluoric acid
Publication Date
19920101
Document Type
OP; Conference/Symposia Proceedings
Editors
Reddy RG; Imrie WP; Queneau PB
Fiscal Year
1992
ISBN No.
9780873391443
Identifying No.
OP 226-92
NIOSH Division
RORC
Source Name
Residues and effluents--processing & environmental considerations: Proceedings of an International Symposium sponsored by Extraction and Process Division of TMS and The Iron and Steel Society at the 1992 TMS Annual Meeting, San Diego, California, USA, March 1-5, 1992
State
MO
Page last reviewed: September 2, 2020
Content source: National Institute for Occupational Safety and Health Education and Information Division