Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1995-06-30
1997-02-11
Silverberg, Sam
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
148553, 75743, 216105, 216106, C23G 110
Patent
active
056016581
ABSTRACT:
A method for treating bronze or brass fixtures containing lead with a cupric acetate solution is described. The treatment results in decreased amounts of lead in subsequent use. A preferred embodiment uses about 0.01 M cupric acetate at pH4.
REFERENCES:
patent: 5454876 (1995-10-01), Downey
Control of Lead Contamination in Drinking Water From Brass Plumbing Fixtures, Connie L. Bogard, Purdue University Graduate School Thesis, Mar., 1992.
Lead, Water Bad Mix, Joe Gerrety, Journal and Courier, Aug., 1993.
Lifeline for newborns (Simple Process Removes Lead From Faucets), Ron Kotulak, The Chicago Tribune, Sep., 1993.
Off The Record, Jim Olsztynski, PHC Profit Report, Oct., 1993.
Ion-Exchange Treatment of Spent Brass Fixture "Deleadification" Solution, abstract from Proceedings of the 49th Industrial Waste Conference, May, 1994.
Getting the Lead Out, Lisa Hunt Tally, Civil Engineering Transitions Newsletter, Purdue University, Summer 1994.
Drinking Water System Components Health Effects, NSF International Standard, NSF 61, Section 9, Dec., 1994.
Bogard Connie
Jiang Yi
Lan Hsin-Ting
Marinas Benito J.
Purdue Research Foundation
Silverberg Sam
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