基于中心组合设计的响应曲面法,研究了微波干燥温度、干燥时间和白炭黑厚度及其交互作用对白炭黑相对脱水率的影响,得到了影响因素与白炭黑相对脱水率之间的二次方数学模型,获得了微波干燥白炭黑的优化工艺条件,即干燥温度90℃,干燥时间32 min,物料厚度10mm,此条件下白炭黑的相对脱水率为99.68％.所得物料经粉碎,采用行业标准和激光粒度仪进行表征测试,其加热减量为1.2％,灼烧减量为49.8％,平均粒度为11μm.
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