Macroporous manganese dioxide water purifier

Details Macroporous manganese dioxide water purifier Macroporous manganese dioxide water purifier

1984-05-31

1985-11-05

Therkorn, Ernest G.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210681, 210691, 210807, 210263, 210282, 2105021, 210917, 423 52, 423605, 502400, C02F 128

Patent

active

045512540

ABSTRACT:
A water purifier consisting essentially of manganese dioxide particles having a 20 to 48 mesh size and macroscopic pores which are so large in size as to permit passage of water therethrough. The particles may have active sites of needle-like or columnar crystals of manganese dioxide on the surfaces thereof. A method for making such water purifier is also described.

REFERENCES:
patent: 2122735 (1938-07-01), Bellone
patent: 2145901 (1979-02-01), Shoemaker
patent: 2355808 (1944-08-01), Lawlor
patent: 3222277 (1965-12-01), Joyce
patent: 3635695 (1972-01-01), Chu
patent: 3715764 (1973-02-01), Chu
patent: 3959021 (1976-05-01), Nishino
patent: 4338288 (1982-07-01), Rollman
patent: 4391714 (1983-07-01), Preisler
patent: 4420395 (1963-12-01), Tanihara
patent: 4462912 (1984-07-01), Preisler

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