摘要:以液相还原法制备石墨相氮化碳(g-C3N4)负载纳米铁钴双金属催化剂用于催化过硫酸氢盐(PMS)降解亚甲基蓝废水,并对其进行了表征。结果显示:双金属颗粒分布在g-C3N4的褶皱中且进入晶格中。制得的催化剂和纯g-C3N4相比表现出了更高的降解率。常温下,pH=7,g-C3N4与铁的质量比为1∶1,钴的质量分数为10%,催化剂投加质量浓度为50mg/L,PMS投加质量浓度为600mg/L,反应30min后,亚甲基蓝的降解率为88.4%。
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