钙镁磷肥和沸石粉对制革污泥免烧骨料性能的改善

ZHANG Min, MA Qianfang, TANG Shanshan,YANG Xiaoqiang, GUO Yuanyuan,WANG Yan

West Leather(2022)

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Abstract
研究使用水泥、硅酸钠、生石灰、熟石膏、钙镁磷肥和沸石粉等材料对制革污泥进行固化并将其制备成可建材利用的污泥免烧骨料.通过正交实验初步确定固化材料配比,在此配比基础上以直接掺加和部分替代水泥的方式,探究了添加钙镁磷肥和沸石粉对提高污泥免烧骨料物理性能及降低污染物浸出浓度的可能性,结果表明以钙镁磷肥替代20%水泥、沸石粉替代30%水泥作为两种优化配比制备的污泥免烧骨料的性能指标较好.
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