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  • Users: cdwarkan
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  1. cdwarkan

    Calcium fluoride and calcium sulphate scrubber packings

    Hello, Can Scrubber packings (plastic) with calcium fluoride and Calcium sulfate salts be sent to plastic recycling or should it be treated as a haz waste? Thanks
  2. cdwarkan

    Fluoride removal

    Hi, I work in a semiconductor company and am looking for treating fluoride in our wastestream.we have a flow of 450-550 gpm and the fluoride concn is around 50 ppm and we want to bring it down to < 5ppm. I know the conservative technology of lime and Activated alumina, but how do you deal with...

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