Process for the separation of solids from phosphoric acid

US4343780A · kind A · utility

Assignee

• UHDE GMBH · DE

Inventors

• Friedrich Wolstein · Essen, DE
• Egbert Hoffmann · Bochum, DE
• Wolfgang Epper · Bergheim, DE

Key dates

• Filing date: Jan 27, 1981
• Grant date: Aug 10, 1982
• Expiry date: Jan 27, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01B25/235
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A process is disclosed separating solids from phosphoric acid produced by the wet process. This is accomplished by relatively simple means but with a high degree of efficiency with reference to the P.sub.2 O.sub.5 content of the phosphoric acid product.