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硫酸分解硼泥反应的热力学及动力学

DOI: 10.7521/j.issn.0454-5648.2014.02.20

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Abstract:

辽宁大石桥某硼砂厂排放的硼泥尾渣的主要矿物成分为54.0%橄榄石、29.5%菱镁矿及5.6%金云母。对硫酸分解硼泥反应体系进行了热力学与动力学分析。结果表明硼泥中所有矿物成分均能自发地在硫酸溶液里分解,在298.15K时反应总反应热为-150.81kJ/mol;硫酸分解硼泥反应体系符合内扩散和化学扩散控制。

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