Process for the sequestration of oxygen dissolved in water and c

Details Process for the sequestration of oxygen dissolved in water and c Process for the sequestration of oxygen dissolved in water and c

1977-06-20

1978-11-07

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

252188, 252392, 252393, 423269, 423407, 422 16, C02B 118

Patent

active

041245008

ABSTRACT:
A process is disclosed for eliminating oxygen dissolved in water wherein there is added to the water a hydrazine solution containing, as the activator, an amount of a compound of the formula: ##STR1## WHEREIN A = 0, 1 OR 2; B = 0, 1, 2 OR 3; C = 0, 1, 2 OR 3; B + C = 2 OR 3; AND A + B + C = 3, 4 OR 5, SUFFICIENT TO INCREASE THE RATE OR REMOVAL OF SUCH OXYGEN COMPARED TO THE RATE WHEN AN AQUEOUS HYDRAZINE SOLUTION, PER SE, IS USED.
The use of aqueous solutions of hydrazine to eliminate oxygen dissolved in water, such as boiler or heater water, is known.

REFERENCES:
patent: 2029960 (1936-02-01), Urbain
patent: 2630380 (1953-03-01), Hanson et al.
patent: 3294501 (1966-12-01), Kawahara
patent: 3413237 (1968-11-01), Foroulis
patent: 3728281 (1973-04-01), Marks et al.
patent: 3808138 (1974-04-01), Yamguchi et al.
patent: 3843547 (1974-10-01), Kaufman
patent: 3983048 (1976-09-01), Schiessl et al.
patent: 4026664 (1977-05-01), Noack

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