PROCESS FOR PREPARING SULPHURIC ACID FROM GASSES CONTAINING SO 3? AND GASEOUS NITROSYLSULPHURIC ACID

PROCESS FOR PREPARING SULPHURIC ACID FROM GASSES CONTAINING SO 3? AND GASEOUS NITROSYLSULPHURIC ACID

Process for preparing sulphuric acid from gasses containing SO3 and gaseous nitrosylsulphuric acid (NOHSO4 or HO3SONO) by contact with 94% to 98% sulphuric acid, wherein the gases flow through at least one cooler and are cooled down to 160° C. to 130° C. to condense out nitrosylsulphuric acid before...

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Bibliographische Detailangaben
Hauptverfasser: WAGNER, HARTMUT, FACH, ROLAND
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Zusammenfassung:Process for preparing sulphuric acid from gasses containing SO3 and gaseous nitrosylsulphuric acid (NOHSO4 or HO3SONO) by contact with 94% to 98% sulphuric acid, wherein the gases flow through at least one cooler and are cooled down to 160° C. to 130° C. to condense out nitrosylsulphuric acid before being brought into contact with the sulphuric acid.