煤气化渣基Fe/Cu双活性催化剂的制备及其在制浆造纸废水深度处理中的应用  

Preparation of Fe/Cu Dual Active Catalysts Based on Coal Gasification Slag and Their Application in Pulp and Paper Wastewater Applications in Deep Processing

作　　者：胡崟 莫立焕[1] 李军[1] 浦丽伟 杨宸懿 陈永发 HU Yin;MO Lihuan;LI Jun;PU Liwei;YANG Chenyi;CHEN Yongfa(State Key Lab of Pulp and Paper Engineering,South China University of Technology,Guangzhou,Guangdong Province,510640)

机构地区：[1]华南理工大学制浆造纸工程国家重点实验室,广东广州510640

出　　处：《中国造纸》2024年第6期145-153,共9页China Pulp & Paper

摘　　要：以煤气化渣酸浸处理制备的碳硅介孔材料为载体,通过碳热还原法制备了Fe/Cu双活性非均相Fenton催化剂,对催化剂的制备工艺进行了优化,以对氯苯酚为模型物探究了其催化H_(2)O_(2)去除对氯苯酚及处理制浆造纸废水的效果。结果表明,在煅烧温度900℃,浸渍液浓度0.2 mol/L,Fe/Cu物质的量比2∶1的条件下制备的催化剂具有最高的活性,对于对氯苯酚的去除率可达96.8%;在初始pH值=5,H_(2)O_(2)投加量16 mmol/L,催化剂投加量1.25 g/L,反应时间120 min的条件下,废水的COD_(Cr)去除率67.8%,色度去除率97.4%,出水COD_(Cr)浓度63.13 mg/L。Fe/Cu dual active heterogeneous Fenton catalyst was prepared using carbon silicon mesoporous material prepared by acid leaching of coal gasification slag as a carrier through carbon thermal reduction method.The preparation process of the catalyst was optimized and its catalytic effect on the removal of p-chlorophenol and treatment of pulp and paper wastewater by H_(2)O_(2)was investigated with p-chlorophenol as madel.The results showed that the catalyst prepared under the conditions of calcination temperature of 900℃,impregnation solution concentration of 0.2 mol/L,and Fe/Cu molar ratio of 2∶1 had the highest activity,with a removal rate of 96.8%for chlorophenol.Under the conditions of initial pH value=5,H_(2)O_(2)dosage of 16 mmol/L,catalyst dosage of 1.25 g/L,and reaction time of 120 min,the COD_(Cr)removal rate of wastewater was 67.8%,the chromaticity removal rate was 97.4%,and the effluent COD_(Cr)was 63.13 mg/L.

关 键 词：煤气化渣 碳硅介孔材料 非均相Fenton催化剂 

分 类 号：X793[环境科学与工程—环境工程]