In titanium dioxide production, the water washing stage is a core step for removing impurities and stabilizing product quality. However, it has long faced challenges such as frequent filter cloth replacements, low filtration efficiency, and short service life. This is especially true when dealing with highly corrosive media like sulfuric acid and hydrofluoric acid, where traditional filter cloths struggle to support stable and efficient production.
As a professional manufacturer with years of experience in the filtration materials industry, Yushai has partnered with customer technical teams to deeply explore core stages like water washing, acid leaching, and pre-kiln processes. Focusing on the five key dimensions of filter cloths — "efficiency, quality, corrosion resistance, environmental protection, and stability" — we have conducted technological innovations and developed a new high-performance filter cloth suitable for Moeller leaf filters. This has successfully provided customers with a more economical and reliable solution.
Six Key Indicators Fully Optimized, Revitalizing the Production Line:
Faster Process Cycles: Average time saved for loading, washing, and unloading is over 40%In the customer’s production line, the new filter cloth’s structural design significantly improves fitting and cake removal efficiency:
Easier loading, reducing replacement time
Shorter washing time, enabling more efficient batch switching
Neater cake removal, reducing manual intervention frequencyThese optimizations greatly improve equipment utilization and overall capacity.
Purity of Filtrate Improved: Iron ion residue significantly reducedTraditional filter cloths tend to release trace metal impurities after strong acid washing, affecting the purity of titanium acid.
Our new filter cloth uses low-leaching materials and an optimized surface treatment process, reducing iron content in the titanium acid solution by about 60% after washing, providing stronger support for customers to stabilize the production of high-end rutile products.
Water Conservation: Water consumption for washing reduced by about 25%Thanks to improved hydrophobicity and liquid permeability balance in the filter cloth material, the new filter cloth achieves higher washing efficiency while maintaining cleanliness, significantly saving water and helping customers reduce operational costs and meet environmental goals.
Stronger Corrosion Resistance: Can withstand higher concentrations of titanium acid and acidic conditionsThe next-generation filter cloth uses high-strength modified polypropylene fibers, treated with special acid-resistant finishing, allowing stable operation in higher concentration titanium acid suspensions and enduring multiple hydrofluoric acid washings without performance degradation, greatly outperforming traditional filter cloth materials.
Improved Cake Quality: Higher unit thickness and more stable solid contentOn-site verification shows that the new filter cloth produces cakes with more uniform thickness and higher solid content, leading to a more thorough filtration process. This reduces common issues such as "premature dropout" or "weakened filter cakes," significantly enhancing filtration quality.
Longer Service Life: Average lifespan extended by 80%From materials to structure, we have comprehensively improved the abrasion resistance and compressive strength of the filter cloth, extending its actual service life from 10 months to 18 months. This greatly reduces downtime for cloth replacement, cutting labor and material costs.
For more information on operational optimization cases, please feel free to contact us and explore the limitless possibilities of "changing a production line with just one filter cloth."
