Process for purifying sand

Details Process for purifying sand Process for purifying sand

2006-09-05

2006-09-05

Bos, Steven (Department: 1754)

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C423S150100

Reexamination Certificate

active

07101524

ABSTRACT:
A process for removing iron impurities from sand by treatment of an aqueous slurry of the sand with a chelating agent for iron cations.

REFERENCES:
patent: 4405588 (1983-09-01), Caballero et al.
patent: 657065 (1965-04-01), None
Translation of Belgium 657065, Apr. 1965.
Peters, “Chelant extraction of heavy metals . . . ” J. of Haz. Mat., 1999, no month, vol. 66, No. 1-2, pp. 151-210.
Lam, et al., “Effect of chelation agent . . . ”, Proceedings Soil and Crop Sci. Soc. of Florida, 1976, no month, vol. 35, pp. 96-98.

Affiliated with

Also associated with

Rating

Process for purifying sand 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 purifying sand, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for purifying sand will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3554266