A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQUIPMENT FOR USE IN THE PROCESS

A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQUIPMENT FOR USE IN THE PROCESS

In a process for increasing the sulfuric acid concentration of 90-98 wt % sulfuric acid, comprising stripping water from the sulfuric acid by contacting it with hot stripping media in a sulfuric acid concentrator column to increase the concentration of the acid leaving the column, the concentration...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MØLLERHØJ, Martin
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:In a process for increasing the sulfuric acid concentration of 90-98 wt % sulfuric acid, comprising stripping water from the sulfuric acid by contacting it with hot stripping media in a sulfuric acid concentrator column to increase the concentration of the acid leaving the column, the concentration of the acid is increased further by recycling a fraction of the acid, which is leaving the column, through an acid recirculation loop back to the inlet of the column, and the acid is optionally heated during its passage through the acid recirculation loop.