Process for removal of metal ions from aqueous solutions

Details Process for removal of metal ions from aqueous solutions Process for removal of metal ions from aqueous solutions

1994-10-20

1996-03-19

Nessler, Cynthia L.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210669, 210688, 204DIG13, 423 24, 423DIG14, B01D 1504, C02F 142

Patent

active

055001262

ABSTRACT:
An improved process for removal of metal ions from aqueous solutions is disclosed. Removal of metal ions from aqueous solution, particularly from metal plating waste streams, is achieved by the combined use of polyamines, at levels less than the stoichiometric amount of metal ion, and cation exchangers. Treatment of waste streams with low levels of triethylenetetramine followed by contact with a strong acid cation exchange resin is especially effective in the removal of copper from metal-containing waste streams.

REFERENCES:
patent: 3984314 (1976-10-01), Fries
patent: 4167481 (1979-09-01), Cremers et al.
patent: 5108615 (1992-04-01), Hosea et al.
patent: 5443736 (1995-08-01), Szmanda et al.

Affiliated with

Also associated with

Rating

Process for removal of metal ions from aqueous solutions does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for removal of metal ions from aqueous solutions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for removal of metal ions from aqueous solutions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1957366