PHOSPHOGYPSUM CONTAINING FERTILIZER GRANULES

    公开(公告)号:US20220204417A1

    公开(公告)日:2022-06-30

    申请号:US17554111

    申请日:2021-12-17

    Abstract: Disclosed is a fertilizer granule containing a homogeneous mixture containing i) phosphogypsum in an amount providing 6.5 wt. % to 22 wt. % of calcium (Ca) and 5 wt. % to 17.6 wt. % of sulfur (S) present in the form of sulfate, ii) 3.8 wt. % to 8 wt. % of magnesium (Mg), iii) 0.5 wt. % to 4 wt. % of zinc (Zn), iv) additional sulfate in an amount providing 5 to 12.5 wt. % of sulfur (S), and v) optionally 0.5 wt. % to 5 wt. % of a humic substance, based on the total weight of the fertilizer granule. Methods of making and using the fertilizer granule are also disclosed.

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