摘要
通过水热法制备出Fe_(3)O_(4)@氧化石墨烯(GO)纳米复合材料,作为吸附剂对污水中的Cr(Ⅵ)离子进行吸附。结果表明,在t=25℃、m(吸附剂)=10 mg、初始ρ[Cr(Ⅵ)]=20 mg/L条件下,纳米Fe_(3)O_(4)@GO复合材料对溶液中Cr(Ⅵ)离子的最大吸附量为94.79 mg/g,去除率为94.79%。对纳米Fe_(3)O_(4)@GO复合材料进行了5次循环吸附实验,第5次吸附率为初次的97.26%。
Fe_(3)O_(4)@graphene oxide(GO)nanocomposites were prepared by hydrothermal method and used as adsorbent to adsorb Cr(Ⅵ)ions in sewage.The results showed that under the conditions of t=25℃,m(adsorbent)=10 mg and initialρ[Cr(Ⅵ)]=20 mg/L,the maximum adsorption capacity of Cr(Ⅵ)ion by nano-Fe_(3)O_(4)@graphene oxide composite was 94.79 mg/g,and the removal rate reached 94.79%.Five repeated adsorption experiments were obtained for the nano-Fe_(3)O_(4)@graphene oxide composites,and the 5th adsorption rate of the nano-Fe_(3)O_(4)@graphene oxide composite is 97.26%,compared with the first time.
作者
王晨洋
孙琳琳
余长磊
郝鑫
冯东旭
WANG Chenyang;SUN Linlin;YU Changlei;HAO Xin;FENG Dongxu(School of Chemistry and Materials,Weinan Normal University,Weinan 714099,China;Shaanxi Province Coal-based Low Carbon Alcohol Conversion Engineering Research Center,Weinan 714099,China)
出处
《化工科技》
CAS
2023年第5期48-52,共5页
Science & Technology in Chemical Industry
基金
陕西省大学生创新创业训练计划项目(S202011723061)
陕西省自然科学基础研究计划项目(2021JQ-825)
渭南师范学院博士科研启动基金资助项目(20RC10)。
