Granular cellulose filter aid applied to titaniferous solution filter in production of titanium oxide
A production process and filter aid technology, applied in other chemical processes, alkali metal oxides/hydroxides, inorganic chemistry, etc., can solve problems such as affecting production efficiency, dust, and inability to settle, saving transportation and storage Cost, easy to promote and apply, easy to use effect
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[0011] Example 1: The powdered organic fiber filter aid was prepared into a cylindrical particle filter aid with a length of 1 to 3 cm and a diameter of 0.6 cm. The original powdered cellulose filter aid was used for titanium dioxide addition, filtration and pre-coating. Filtration, feeding and stirring time can be shortened from the original 30min to 10min, and the feeding dust can be completely eliminated. The storage space of 1t granular cellulose products can be reduced by 1.5cm 3 Storage space reduced to 0.3 cm 3 .
Example Embodiment
[0012] Example 2: Prepare a powdered organic fiber filter aid into a bean-shaped granular filter aid with a length of 0.5 to 1 cm and a width of 0.3 to 0.6 cm. The amount of the original powdered cellulose filter aid is used for the addition and filtration of titanium dioxide. Pre-coating and filtering, the feeding and stirring time can be shortened from the original 30min to 5min, and the feeding dust can be completely eliminated. The storage space of 1t granular cellulose products can be reduced by 1.5cm 3 The storage space is reduced to 0.4cm 3 .
Example Embodiment
[0013] Example 3: Prepare powdered organic fiber filter aid into cake-like particulate filter aid with a thickness of 0.3-6 cm, and use the original powdered cellulose filter aid for titanium dioxide addition filtration and pre-coating filtration, adding and stirring The time can be shortened from the original 30min to 8min, which can significantly reduce the feeding dust. The storage space of 1t granular cellulose products can be reduced by 1.5 cm 3 Storage space reduced to 0.5 cm 3 .
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