Method of making macroporous manganese dioxide

Details Method of making macroporous manganese dioxide Method of making macroporous manganese dioxide

1984-10-31

1986-04-08

Therkorn, Ernest G.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

2105001, 2105021, 25218633, 423 50, 502324, 502400, C01G 4502

Patent

active

045812195

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 (1939-02-01), Shoemaker
patent: 2355808 (1944-08-01), Lawlor
patent: 3222277 (1965-12-01), Joyce
patent: 3356452 (1967-12-01), Moore
patent: 3856576 (1974-12-01), Prieto
patent: 4256609 (1981-03-01), Dale
patent: 4277360 (1981-07-01), Mellors
patent: 4402931 (1983-09-01), Tanabe

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