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  1. Jaspor

    Pitting corrosion on 316 in chlorinated RO water heater

    Looking for information on corrosivity (crevice & pitting) on 316SS plate heat exchanger being used to heat RO permeate water. The permeate has been hardened by addition of lime (about 30ppm hardness & 90ppm alk, pH 8), but has up to 2ppm free chlorine from hypo addition. Temp is 55-65 degC...

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