Liquid Filters to Reclaim Precious Metals.

Rising cost of precious metals and thirst for getting better performances in the processes has opened a door towards growing popular use of liquid filters. Though the principal behind this is very simple that use an effective filtration method to hold the small particles in liquid suspension while machining or any other production process.  But there are challenges for instance if the metals are to be recovered from coating or electroplating process then they are supposed to be in very aggressive liquid & again removing very fine particles of metal is difficult to do.

Understanding Mechanism of Coalescing Filter

Every challenge has got a solution too. Coalescing filter elements and Particulate filter elements made of borosilicate glass micro fibres are considered to be ideal for this kind of process that too without any end caps or supports or any extra materials. So a simply following heating process until glass and the precious metals melt and separate will do the job. This will work for all the materials/ metals that don’t get destroyed till melting temperature of borosilicate glass microfibers.

Article take away and Precautions

1. Prefer particulate filter element for reclaiming process for precious metals.
2. Flow the liquid from outside to inside direction to help increase the life of filter.
3. Use Polypropylene made caps for the housings.
4. Take care the material should note get destroyed till melting temp of glass microfiber.


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