Dear listers,
I have a colleague who is in dire need of assistance with the
following:
A refrigeration line blew leaking ammonia into the water system of a
surimi processing factory. On a contaminated belt and inside a piece of
machinery, he found a hard white 'pasty' substance which was not easily
removed (came off with scraping). He drained, flushed, and refilled the
water tanks, but he is not convinced that the ammonia is completely
removed. He is getting pH's on his distilled water between 9.2 to 9.5.
His concerns are as follows:
- What will neutralize the ammonia
- How can he be sure the ammonia is
removed from the water
- What could the white 'pasty' substance
be and might it be within the piping
- If it is within the piping, will it
continue to be picked up in the water flow, contaminating further
- What will the ammonia do to the surimi
- What, if any, levels of ammonia are
safe (i.e., if there is ammonia in the water used to process surimi)
Any insight would be most appreciated.
Best regards,
Kelly
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