PRODUCTION OF RUTILE MIXED PHASE PIGMENT
The present invention relates to a process for manufacturing mixed-phase rutile pigments by calcining solid mixtures of titanium dioxide and/or titanium dioxide hydrate with colouring metal compounds, in particular of chromium and/or nickel, in the presence or absence of compounds of antimony, niobi...
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Zusammenfassung: | The present invention relates to a process for manufacturing mixed-phase rutile pigments by calcining solid mixtures of titanium dioxide and/or titanium dioxide hydrate with colouring metal compounds, in particular of chromium and/or nickel, in the presence or absence of compounds of antimony, niobium or tungsten in an indirectly heated rotary furnace operated with air supply. |
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