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1. (WO2017153368) PREPARATION OF RED IRON OXIDE PIGMENT

Pub. No.:    WO/2017/153368    International Application No.:    PCT/EP2017/055249
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Wed Mar 08 00:59:59 CET 2017
IPC: C01G 49/06
C09C 1/24
B01J 8/22
Applicants: LANXESS DEUTSCHLAND GMBH
Inventors: CZAPLIK, Waldemar
Title: PREPARATION OF RED IRON OXIDE PIGMENT
Abstract:
The invention relates to an improved method for preparing red iron oxide pigments in a Penniman process using nitrate (also called nitrate process or direct red process) as well as to devices for carrying out said method.