Chelation and foam separation of metal ions from solutions

Journal Article · Mon Aug 01 00:00:00 EDT 1988 · Sep. Sci. Technol.; (United States)

DOI:https://doi.org/10.1080/01496398808058441· OSTI ID:6222979

Carleson, T E; Moussavi, M

An experimental study was conducted on the chelation and foam separation of trace amounts of cadmium, zinc, and lead from their water solutions. The chelation agents ethylenediaminetetraacetate (sodium salt), sodium diethyldithiocarbamate, and citric acid were used with sodium dodecylsulfate (SDS) as a foam-producing agent. The chelation agents did not produce metal complexes that were very surface active. The foam-producing agent produced metal ion complexes that were surface active and resulted in appreciable separation of the metal ions. The use of 100 ppm SDS resulted in separation of 90% of the zinc ions from solution containing 2 to 20 ppm zinc. At concentrations below and above this, the removal efficiency dropped significantly.

• Research Organization: Univ. of Idaho, Moscow (USA)
• OSTI ID: 6222979
• Journal Information: Sep. Sci. Technol.; (United States), Vol. 23:10-11
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
54 ENVIRONMENTAL SCIENCES
CADMIUM
FOAM SEPARATION
CHELATING AGENTS
EFFICIENCY
LEAD
ZINC
AQUEOUS SOLUTIONS
CHELATES
EXPERIMENTAL DATA
TOXIC MATERIALS
TRACE AMOUNTS
COMPLEXES
DATA
DISPERSIONS
ELEMENTS
INFORMATION
MATERIALS
METALS
MIXTURES
NUMERICAL DATA
SEPARATION PROCESSES
SOLUTIONS
400105* - Separation Procedures
520200 - Environment
Aquatic- Chemicals Monitoring & Transport- (-1989)