Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1995-08-15
1997-12-09
Cintins, Ivars
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210639, 210665, 210669, 210682, 210688, 210694, C02F 900
Patent
active
056956428
ABSTRACT:
A method and apparatus for purifying contaminated water includes four subsystems for removing undissolved solids, precipitation and flocculation of dissolved solids, polishing or cation removal of dissolved solids, and metallurgical furnace treatment of the separated contaminants along with gas cleaning. A unique high density inorganic adsorbent, produced during the reducing atmosphere Waelz Kiln processing of iron, zinc, lead and cadmium rich Electric Arc Furnace dust, is used to raise the pH level of the contaminated water in the precipitation procedure and again as an adsorbent filter bed in a clear well extraction vessel used in the polishing step.
REFERENCES:
patent: H1227 (1993-09-01), Lewis et al.
patent: 3773177 (1973-11-01), Queiser et al.
patent: 3870033 (1975-03-01), Faylor et al.
patent: 3962078 (1976-06-01), Hirs
patent: 4087375 (1978-05-01), Tanno
patent: 4166032 (1979-08-01), Hanway, Jr. et al.
patent: 4189381 (1980-02-01), Laferty et al.
patent: 4342650 (1982-08-01), Erickson et al.
patent: 5221480 (1993-06-01), Schultheis et al.
patent: 5238663 (1993-08-01), Vikari et al.
patent: 5366634 (1994-11-01), Vijayan et al.
patent: 5370827 (1994-12-01), Grant et al.
"A New Hybrid Inorganic Sorbent For Heavy Metals Removal" by Yi-Min Gao, Arup K. Sengupta and Dale Simpson, Wat. Res. vol. 29, No. 9, pp. 2195-2205.
"Selective Sorption of Heavy Metals Using an Iron-Rich Waste Byproduct" by Anand Ramesh, A Thesis Presented to the Graduate Committee at Lehigh University in Candidacy for the Degree of Master of Science in Civil Engineering, Lehigh University, Oct. 1992.
Chester James W.
Dewees Matthew D.
Greenleigh Stephen H.
Rozelle Peter L.
LandOfFree
Method for purifying contaminated water does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for purifying contaminated water, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for purifying contaminated water will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1604705