Regeneration of nitrous acid by oxidation with direct applicatio

Details Regeneration of nitrous acid by oxidation with direct applicatio Regeneration of nitrous acid by oxidation with direct applicatio

1989-01-23

1990-05-15

Jones, W. Gary

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

423394, C01B 2140

Patent

active

049256432

ABSTRACT:
A method for regenerating an aqueous liquid comprising nitrous acid and/or oxides of nitrogen is characterized by feeding the liquid to a column such that the liquid descends through the column. An aqueous solution comprising nitric acid is heated to its boiling point such that the heated nitric acid refluxes into the packed column. An oxygen-containing gas is passed into the liquid, whereby the liquid is converted substantially to nitric acid as it descends in the column.

REFERENCES:
patent: 1503259 (1924-07-01), Bergve
patent: 2028402 (1936-01-01), Luscher
patent: 2543446 (1951-02-01), Egly
patent: 2566197 (1951-08-01), Hass et al.
patent: 2761761 (1956-09-01), Congdon et al.
patent: 3309295 (1967-03-01), Cahn et al.
patent: 3425803 (1969-02-01), Romeo, Sr.
patent: 3472620 (1969-10-01), Riga
patent: 3922231 (1975-11-01), Carlin et al.
patent: 4062928 (1977-12-01), Applegate et al.
patent: 4064221 (1977-12-01), Rodrigo et al.
patent: 4081517 (1978-03-01), Mayland
patent: 4183906 (1980-01-01), Watson et al.
patent: 4219536 (1980-08-01), Hoenke
patent: 4276277 (1981-06-01), Aguinet et al.
patent: 4419333 (1983-12-01), Reus et al.
patent: 4521390 (1985-06-01), Mouille et al.
patent: 4529413 (1985-07-01), Ferguson
patent: 4539077 (1985-09-01), Jonckers et al.
patent: 4562052 (1985-12-01), Grab et al.
patent: 4575418 (1986-03-01), Robbins
patent: 4603036 (1986-07-01), Botton et al.
Gean Kopolis, Transport Processes and Unit Operations; 2nd ed., 1978, pp. 639-640.

Affiliated with

Also associated with

Rating

Regeneration of nitrous acid by oxidation with direct applicatio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Regeneration of nitrous acid by oxidation with direct applicatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Regeneration of nitrous acid by oxidation with direct applicatio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-620464