By Andritz |
How a design change has made the vacuum drum filter resistant to corrosion in applications like producing titaniumdioxyd (TiO2) in sulfuric acid (H2SO4) processes, helping to significantly lower production losses and reduce maintenance costs.
Prized for its excellent weathering properties, vacuum drum filters are state-of-the-art in highly corrosive applications like producing titanium dioxide (TiO2) in sulfuric acid (H2SO4) processes or in processes where slurries with a high hydrochloride acid (HCl) content are treated. Conventionally, these filters are made out of carbon steel and covered with rubber lining to protect the structural design of the machine against corrosive attacks – with the disadvantages being embrittlement in places with a tendency to form cracks. The new corrosion-resistant vacuum drum filter tackles this problem with changes in design and material, that keep the process functions of a vacuum drum filter while making them significantly more resistant to corrosion than the traditional carbon steel, rubber-lined version, or conventional GRP filters without a layer of thermoplastic covering
For deeper insights in the design of the corrosion-resistant vacuum drum filter, download the Whitepaper down below.