Process for removing barium from water

Details Process for removing barium from water Process for removing barium from water

2008-11-14

2009-10-27

Barry, Chester T (Department: 1797)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S665000, C210S688000, C210S724000

Reexamination Certificate

active

07608190

ABSTRACT:
A method for reducing barium concentration in waste streams. Hydrous manganese oxide (HMO) is formed in solution/slurry and mixed with water containing barium such that the hydrous manganese oxide exhibits a negative charge at a desired pH. Barium from the water is adsorbed onto the negatively charged HMO surface. The HMO with adsorbed barium is separated from the water, producing treated effluent having a reduced barium concentration.

REFERENCES:
patent: 5728302 (1998-03-01), Connor et al.
patent: 7081204 (2006-07-01), Bandorick et al.
patent: 2009/0036301 (2009-02-01), Matsuda et al.
Ruekert and Mielke, Inc., State Of the Art Of Water Supply Practices, Technical Report, Jul. 2007, No. 43, Waukesha, WI.
Tonka Equipment Company, Effective Radium Removal with HMO, Tonka Technical Bulletin, Plymouth, MN.
Koulouris, G., Dynamic Studies On Sorption Characteristics Of 226RA On Manganese Dioxide, Journal of Radioanalytical and Nuclear Chemistry, 1995, 269-279, Vol. 193, No. 2, Elsevier Science S. A., Lausanne and Akademiai Kiado, Budapest.
Christensen, Terkel C. and Ulf Richter, Treatment Of Water With Dissolved Heavy Metals, pp. 1-17, Krüger, Soborg, Denmark.
Christensen, Terkel C., Jonas Nedenskov and Peter Simonsen, Treatment Of Leachate From Tipped Residues From Incineration, pp. 1-13, Krüger, Hvidovre, Denmark.
Christensen, Terkel C., Jonas Nedenskov and Marcus Müller, Treatment Of Leachate From Tipped APC-Residues At AV, pp. 1-7, Krüger, Hvidovre, Denmark.
Loganathan, P. and R. G. Burau, Sorption Of Heavy Metal Ions By A Hydrous Manganese Oxide, Geochimica et Cosmochimica Acta, 1973, pp. 1277-1293, vol. 37, Pergamon Press, Northern Ireland.
Murray, James W., The Interaction Of Metal Ions At The Manganese Dioxide-Solution Interface, Geochimica et Cosmochimica Acta, 1975, pp. 505-519, vol. 30, Pergamon Press, Northern Ireland.
Posselt, Hans S. and Frederick J. Anderson, Cation Sorption On Colloidal Hydrous Manganese Dioxide, Environmental Science and Technology, Dec. 1968, pp. 1087-1093, vol. 2 No. 12.
Kanungo, Sukriti B., Sushree Swarupa Tripathy and Rajeev, Adsorption of Co, Ni, Cu, and Zn On Hydrous Manganese Dioxide From Complex Electrolyte Solutions Resembling Sea Water in Major Ion Content, Journal of Colloid and Interface Science, 2004, pp. 1-10, vol. 269, Elsevier Inc.
Anderson, B. J., E. A. Jenne and T. T. Chao, The Sorption Of Silver By Poorly Crystallized Manganese Oxides, Geochimica et Cosmochimica Acta, 1973, pp. 611-622, vol. 37, Pergamon Press, Northern Ireland.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4059402