Method for removing Fe2O3 in metatitanic acid in decorative body paper titanium dioxide with sulfuric acid process
A technology for decorating base paper and metatitanic acid, applied in chemical instruments and methods, titanium dioxide, titanium compounds, etc., can solve problems such as the influence of titanium dioxide whiteness, trivalent titanium bubbling and troughing, and need to be separated, so as to avoid drawbacks and Effects of potential problems
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0030] Fe removal from metatitanic acid in titanium dioxide of decorative base paper by sulfuric acid method 2 o 3 method, the total amount of metatitanic acid used is 65m 3 , TiO in metatitanic acid 2 The concentration is 385.46g / L, including the following steps:
[0031] A. Add 0.65m to the bleach tank 3 Qualified metatitanic acid after washing with water, stirred, then added concentrated sulfuric acid (H 2 SO 4 98.34%)0.485m 3 , stir, heat preservation at 98-105°C until metatitanic acid dissolves into a clear solution, dilute with water to TiO 2 Concentration is 115.76g / L, obtains titanium sulfate solution;
[0032] B, in titanium sulfate liquid, add aluminum powder (Al98.5%) 38.15kg reaction, to without solid matter;
[0033] C. The remaining 64.35m 3 Metatitanic acid joins in the bleach tank, dilutes and adjusts concentration to 210.85g / L (with TiO 2 meter), after stirring, adding H 2 SO 4 98.34% concentrated sulfuric acid, stir evenly, the amount of concentra...
Embodiment 2
[0036] Fe removal from metatitanic acid in titanium dioxide of decorative base paper by sulfuric acid method 2 o 3 method, the total amount of metatitanic acid used is 65m 3 , TiO in metatitanic acid 2 The concentration is 368.23g / L, including the following steps:
[0037] A. Add 0.52m to the bleach tank 3 Qualified metatitanic acid after washing with water, stirred, then added concentrated sulfuric acid (H 2 SO 4 98.56%)0.423m 3 , stir, heat preservation at 95-103°C until metatitanic acid dissolves into a clear solution, dilute with water to TiO 2Concentration is 110.98g / L, obtains titanium sulfate liquid;
[0038] B, in titanium sulfate liquid, add aluminum powder (Al97.8%) 35.24kg reaction, to without solid matter;
[0039] C. The remaining 64.48m 3 Metatitanic acid joins in the bleaching tank, dilutes and regulates concentration to 187.74g / L (with TiO 2 meter), after stirring, adding H 2 SO 4 98.56% concentrated sulfuric acid, stir evenly, the amount of concent...
Embodiment 3
[0042] Fe removal from metatitanic acid in titanium dioxide of decorative base paper by sulfuric acid method 2 o 3 method, the total amount of metatitanic acid used is 64.5m 3 , TiO in metatitanic acid 2 The concentration is 392.57g / L, including the following steps:
[0043] A. Add 0.35m to the bleach tank 3 Qualified metatitanic acid after washing with water, stirred, then added concentrated sulfuric acid (H 2 SO 4 98.06%)0.412m 3 , stirred, heat preservation at 95-105°C until metatitanic acid dissolves into a clear solution, dilute with water to TiO 2 Concentration is 95.82g / L, obtains titanium sulfate solution;
[0044] B, in titanium sulfate solution, add aluminum powder (Al98.2%) 21.0kg reaction, to without solid matter;
[0045] C. The remaining 64.15m 3 Metatitanic acid joins in the bleaching tank, dilutes and regulates concentration to 195.26g / L (with TiO 2 meter), after stirring, adding H 2 SO 4 98.06% concentrated sulfuric acid, stir evenly, the amount of...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com