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-   -   How to prepare coffee grounds for bioplastic? (https://www.askmehelpdesk.com/showthread.php?t=840206)

  • Aug 2, 2018, 09:44 PM
    InkRaven
    How to prepare coffee grounds for bioplastic?
    I'm trying to find a procedure to prepare coffee grounds

    I've heard of soaking it in HCl and NaOH but I don't know the exact procedure either.

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