A method of regeneration of sulfuric acid from detonations from the purification of mineral oils by smoking sulfuric acid

The method of regeneration of sulfuric acid from detonations from the purification of mineral oils by smoke -sulfuric acid: No. 10416. Declared.02/19/1904.Issues on 08/31/1905 / "Brothers Nobel".- [B.M .: B. and., 1905].-[1] s .. -Description of the method of regeneration of sulfuric acid from discharge from the purification of mineral oils with steaming sulfuric acid.To the privilege of the "Partnership of the Oil Production of the Nobel brothers", in the city of St. Petersburg, stated on February 19, 1904.Group VIII and X. No. 10416. August 31, 1905.I. Partnership of the oil production of the Nobel brothers (St. Petersburg) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS