复合材料TiO2/MoS2的制备及对油田废水处理  

Preparation and application of TiO 2/MoS 2 photocatalyst in oilfield wastewater treatment

作　　者：焦玉荣[1] 刘丹[1] 乔赟轩 张亚[1] 马亚军[1] 邢艳[1] 白小慧[1] 弓莹[1] 杨超龙 JIAO Yurong;LIU Dan;QIAO Yunxuan;ZHANG Ya;MA Yajun;XING Yan;BAI Xiaohui;GONG Ying;YANG Chaolong(College of Chemistry and Chemical Engineering,Yulin University,Yulin 719000,China)

机构地区：[1]榆林学院化学与化工学院,陕西榆林719000

出　　处：《化工科技》2020年第6期13-18,共6页Science & Technology in Chemical Industry

基　　金：教育部留学回国人员科研启动项目([2015]1098);国家地区基金项目(21663033,41967022,51762042);榆林市产学研项目(2016CXY_02,2019kjj027,2019kjj029,2019kjj140);高层次科研启动项目(14GK23);陕西省科技厅科研计划项目(2017GY-131,2018GY-086,2020JM-627);陕西省科技资源开放共享平台项目(2019PT-18);榆林学院大学生创新创业训练项目(S202011395031)。

摘　　要：以钛酸丁酯和钼酸铵为前驱体,采用溶胶-凝胶法和水热法分别制备TiO 2、MoS 2和TiO 2/MoS 2纳米材料,并通过FTIR、XRD、SEM、DRS和BET等手段表征其结构、组成、形貌和孔径大小。以油田废水为光催化降解反应模型,考察了光催化活性,测定了催化剂的容量、反应条件如投加量、pH值、反应时间等因素。处理废水为200 mL,TiO 2、TiO 2/MoS 2投加量为0.8 g,pH=3~4,反应时间为40 min对油田废水中油污的去除率分别为79.4%、92.7%;悬浮物的去除率分别为83.5%、94.3%。结果表明TiO 2/MoS 2对油田废水处理效果明显高于纯TiO 2。TiO 2/MoS 2 composites were prepared by sol-gel and hydrothermal synthesis methods,using tetrabutylorthotitante(TBOT)as Ti source.The structure,morphology and composition of the catalysts were characterized by using FTIR,XRD,SEM and N 2 adsorption-desorption analyzer,respectively.The photocatalytic activities were evaluated by degradation of oilfield wastewater.The results indicate that,when the pH value is between 3~4,and the reaction time is 40 min,0.8 g of TiO 2 and TiO 2/MoS 2 treating 200 mL of oilfield wastewater,the oil removal rates are 79.4%and 92.7%,respectively,and the removal rate of suspended matter is 83.5%and 94.3%,respectively.

关 键 词：TiO 2/MoS 2复合材料 油田废水 水热法 光催化 

分 类 号：TE8[石油与天然气工程—油气储运工程]