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Method for rapidly determining conversion rate of titanium dioxide falling into kiln by sulfuric acid method

A rapid determination of titanium dioxide technology, applied in the direction of material analysis by observing the influence of chemical indicators, measuring devices, analysis by making materials undergo chemical reactions, etc., can solve the problems of high instrument cost, long time-consuming detection, discomfort Rapid detection of problems in the production process to achieve the effect of improving the quality of calcination

Pending Publication Date: 2022-07-05
LOMON BILLIONS GRP CO LTD
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  • Application Information

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Problems solved by technology

Although the accuracy of the detection data is high, the cost of the instrument is high, and the detection takes a long time, which is not suitable for rapid detection in the production process

Method used

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  • Method for rapidly determining conversion rate of titanium dioxide falling into kiln by sulfuric acid method
  • Method for rapidly determining conversion rate of titanium dioxide falling into kiln by sulfuric acid method
  • Method for rapidly determining conversion rate of titanium dioxide falling into kiln by sulfuric acid method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Take titanium dioxide kiln products with different base materials and different conversion rate gradients, and measure the conversion rate by the following methods:

[0045]1) Take zinc salt-treated and aluminum-salt-treated products from the kiln, respectively, for use;

[0046] 2) Take 6g sample of the kiln product in the vessel, add 4 drops of universal indicator to make the kiln product color develop, according to the corresponding relationship between the color development and conversion rate of the kiln product with different treatments in Table 1, determine the value of the sample of the dropped kiln product. Conversion rate;

[0047] The transformation ratios of all samples in the embodiment 1 are all titrated by the above-mentioned method, and the above-mentioned samples are carried out transformation ratio measurement using X-ray diffraction spectrometer simultaneously, and the transformation ratio results of measuring transformation ratio and titration are li...

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Abstract

The invention provides a method for rapidly determining the conversion rate of a titanium dioxide kiln falling product by a sulfuric acid method, which at least comprises the following steps: S1, taking a titanium dioxide kiln falling product sample, and adding a universal indicator to enable the kiln falling product sample to develop color; s2, the color development result shown in the step S1 is substituted into a corresponding relation table of titanium dioxide kiln falling product color development and conversion rate shown in a table 1, and the kiln falling product sample conversion rate is determined; compared with the prior art, the indicator method is adopted for rapidly and accurately detecting the conversion rate of the falling kiln product, the qualified condition of the conversion rate of the falling kiln product can be rapidly known in time, production personnel can know the conversion rate index in the first time, judge the production process condition and take corresponding countermeasures, process control can be rapidly and effectively adjusted in time, and the production efficiency is improved. And meanwhile, energy conservation and consumption reduction are facilitated.

Description

technical field [0001] The invention belongs to the technical field of titanium dioxide detection, and in particular relates to a method for rapidly measuring the conversion rate of titanium dioxide falling kiln products by a sulfuric acid method. Background technique [0002] TiO 2 There are three crystalline forms in nature: rutile, anatase and brookite. Rutile TiO 2 It is widely used because of its superior properties such as high refractive index and dielectric constant and low thermal conductivity. In the process of producing rutile titanium dioxide by the sulfuric acid method, the acquisition of high-quality rutile-type titanium dioxide products is closely related to its rutile conversion rate (hereinafter referred to as "conversion rate"). The high conversion rate of the kiln product can not only improve the oil phase whiteness and achromatic power of the kiln product, reduce the oil absorption, but also obtain particles with excellent pigment performance. In the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/223G01N21/78
CPCG01N23/223G01N21/78
Inventor 马艳萍陈晓丽李姣姣刘晓鸽秦瑞阳周菲菲胡美娜
Owner LOMON BILLIONS GRP CO LTD
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