ES490032A0 -
METHOD OF APPLYING UREA TO REDUCE THE EMISSION OF NITROGEN OXIDES IN SOLUTIONS CONTAINING NITROUS ACID AND CORRESPONDING INSTA-LATION.
- Google Patents
METHOD OF APPLYING UREA TO REDUCE THE EMISSION OF NITROGEN OXIDES IN SOLUTIONS CONTAINING NITROUS ACID AND CORRESPONDING INSTA-LATION.
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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Publication date
Application filed by Norsk Hydro ASAfiledCriticalNorsk Hydro ASA
Publication of ES490032A0publicationCriticalpatent/ES490032A0/en
Publication of ES8104140A1publicationCriticalpatent/ES8104140A1/en
ES490032A1979-03-301980-03-28Method of applying urea to reduce the emission of nitrogen oxides in solutions containing nitrous acid and corresponding installation. (Machine-translation by Google Translate, not legally binding)
ExpiredES8104140A1
(en)
Method of applying urea to reduce the emission of nitrogen oxides in solutions containing nitrous acid and corresponding installation. (Machine-translation by Google Translate, not legally binding)
PROCESS OF PREPARATION OF OXALIC ACID ESTERS, CHEMIOLUMINESCENT COMPOSITION OR CHEMIOLUMINESCENCE GENERATOR AND THEIR PROCESS TO GENERATE CHEMIOLUMINESCENCE
IMPROVEMENTS IN OR RELATING TO CATALYTIC UNITS, CATALYTIC METAL CANVAS PACKAGE, NITRIC ACID MANUFACTURING PROCESS WITH USE OF THE PACKAGE OR UNIT AND ACID PRODUCED
Process for producing aryldiazonium salts from nitrogenous gases rich in nitrogen oxide, aqueous solutions of these salts and their use for the preparation of aminoazoaromatic compounds