How is the new refrigeration system pre-coated now?
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The newly installed refrigeration unit in the plant uses calcium chloride brine as the cooling medium. Now, apart from sodium chromate, what other substances can be used to perform pre-coating of the pipelines and heat exchange equipment before the plant is put into operation? Please share your insights!
There are specialized pre-coating agents, right? . . . Before starting up the lithium bromide units here, after flushing the pipes, we use the pre-coating agent provided by the manufacturer