CH44094A
(en )
1909-07-01
Process for the recovery in the form of concentrated nitric acid of nitrogen oxides diluted in gases containing oxygen
FR385605A
(en )
1908-05-19
Recovery in the form of concentrated nitric acid of nitrogen oxides diluted in air or in inert gases
CH44368A
(en )
1909-08-02
Process for recovering nitrogen oxides diluted in a gas containing oxygen
CH44750A
(en )
1909-09-01
Process for recovering nitrogen oxides diluted in a gas containing oxygen
CH44751A
(en )
1909-09-01
Process for recovering nitrogen oxides diluted in a gas containing oxygen
FR404720A
(en )
1909-12-10
Process for preparing approximately 65% nitric acid. 0 out of 0 by absorption, by means of water, of nitrogen oxides diluted in a gas containing oxygen
CH44683A
(en )
1909-09-01
Process for the preparation of about 65% nitric acid by absorbing, with water, nitrogen oxides diluted in an oxygen-containing gas
FR502884A
(en )
1920-05-28
Improvement of the process for recovering nitrogen oxides produced by the electric arc in a mixture of dry nitrogen and oxygen
FR374643A
(en )
1907-06-18
Process for ozonizing gases containing oxygen
FR15080E
(en )
1912-04-20
Process for recovering hydrocyanic acid contained in gases
CH47432A
(en )
1910-07-01
Improvement in electrochemical preparation process of synthetic nitric acid from nitrogen and gaseous oxygen
FR388305A
(en )
1908-08-08
Process for the concentration of highly diluted nitrogen oxides in air
ES18871A1
(en )
1896-06-01
A new and improved process for the purification of carbonic acid gas from lime kilns and intended to be liquefied.
FR441706A
(en )
1912-08-14
Process for the production of pure azotites using nitrous gases containing air or oxygen
FR441567A
(en )
1912-08-10
Process for removing carbonic acid, oxygen and other gases from water
FR407133A
(en )
1910-02-19
Process for the preparation of concentrated nitrous gases by means of hydrated nitric acid
FR393461A
(en )
1908-12-23
Process for ridding gases and fumes of sulfurous acid and for recovering sulfurous acid in the form of sulfuric acid
FR13519E
(en )
1911-04-29
Process for the recovery of nitrous vapors, or nitrogen oxides, diluted in indifferent gases
CH44093A
(en )
1909-07-01
Process and installation for the recovery by water of nitrogen oxides diluted in air
FR495993A
(en )
1919-10-23
Process for the destruction of carbon oxychloride, in the waste gases from its manufacture, and its transformation into hydrochloric acid
FR358373A
(en )
1906-02-12
Process for the concentration of extended nitric acid
FR417166A
(en )
1910-11-08
Nitrogen Acid Concentration Process
FR467223A
(en )
1914-06-06
Process for the cathodic production of hydrogen peroxide in an electrolyte containing oxygen or gases containing oxygen
FR420252A
(en )
1911-01-26
Process for the production of nitrogen oxide starting from atmospheric air or other mixtures of nitrogen and oxygen
FR366047A
(en )
1906-09-25
Process for removing hydrogen sulphide from gases