Hi!
We've notice major biofilm development on the hot side (pre- hx). We wash with caustic and sanitize with PAA. It requires complete tear down from kettle to HX and scrubbing to get it off. We soften it with phosphoric/nitric cycle but it doesn't get it off. If tearing the whole assembly down every week is the only to do it is fine by me but with all the chemicals in the world I can't imagine their wouldn't be a product that will get rid of it without scrubbing.
Any suggestions?
Thanks!
We've notice major biofilm development on the hot side (pre- hx). We wash with caustic and sanitize with PAA. It requires complete tear down from kettle to HX and scrubbing to get it off. We soften it with phosphoric/nitric cycle but it doesn't get it off. If tearing the whole assembly down every week is the only to do it is fine by me but with all the chemicals in the world I can't imagine their wouldn't be a product that will get rid of it without scrubbing.
Any suggestions?
Thanks!
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