Pending on the size of the process, a filtration process may consume thousands of filter cloths per year. By gathering information with RFID technology, the application can analyze the performance of filter cloths and filters.

"We are able to utilize the information on cloth lifetimes, the reasons for cloth removal and cloth consumption to optimize the whole filtration process. In addition, this information helps process operators to better monitor the filter itself," explains Sanna Uusitalo, Product Manager, Filtration at Valmet.

Valmet's application is based on special equipment and RFID tags that submit information to be used in the follow-up and analysis of the whole filtration process. An optimal process leads to remarkable savings.

"Savings can be achieved through planned maintenance and reduced filter downtime. The filter cloths and filters will be developed further as more information is gathered about their performance. The application also enables remote support from our filtration experts. By enabling us to see inside the process, the application helps us and our customers to optimize the whole filtration process," Uusitalo continues.

RFID technology has been in use for decades, but Valmet is the first to utilize it for filter cloths. Valmet has developed the application in co-operation with customers and filter manufacturers. At this stage, the application is first being used in the mining industry, but there are already plans to broaden its use to filtration processes in the pulp and paper industry.

Photo: Report examples from Valmet's new application for monitoring the performance of filter cloth in filter presses courtesy of Valmet