Granular scrubs for use in manufacturing titanium dioxide pigmen

Details Granular scrubs for use in manufacturing titanium dioxide pigmen Granular scrubs for use in manufacturing titanium dioxide pigmen

1996-08-26

1998-06-02

Bos, Steven

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

C01G 23047

Patent

active

057595119

ABSTRACT:
This invention relates to an improved process for making titanium dioxide pigment, wherein granular scouring particles (scrubs) comprising specific water-soluble salts (KCl, CsCl, or mixtures thereof) are introduced into a cooling conduit containing a hot gaseous suspension of titanium dioxide particulate. The process provides titanium dioxide pigment having higher carbon black undertone (CBU) levels.

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