Cu/AC臭氧催化氧化深度处理复糟酱香型白酒废水  

Advanced treatment of wastewater from sauce-flavor Baijiu production with reusing distillers'grains by Cu/AC ozone catalytic oxidation

作　　者：李博文 梁家伟 代吉华 万东锦[2] 李圣斐 买文宁[1] 张坡 LI Bowen;LIANG Jiawei;DAI Jihua;WAN Dongjin;LI Shengfei;MAI Wenning;ZHANG Po(College of Ecology and Environment,Zhengzhou University,Zhengzhou 450001,China;Key Laboratory of Water Saety and Ecological Technology in Zhengzhou City,School of Environmental Engineering,Henan University of Technology,Zhengzhou 450001,China;Environmental Protection Engineering Technology Research Center for Wastewater Purification in Henan Province,Henan Junhe Environmental TechnologyCo,Ltd,Zhengzhou 45000l,China;Zhongjian Zhongyuan Building Design Institute Co.,Ltd,Zhengzhou 450003,China)

机构地区：[1]郑州大学生态与环境学院,河南郑州450001 [2]河南工业大学环境工程学院郑州市水安全与水生态技术重点实验室,河南郑州450001 [3]河南君和环保科技有限公司河南省生态环保型污水净化工程技术研究中心,河南郑州450001 [4]中建中原建筑设计院有限公司,河南郑州450003

出　　处：《中国酿造》2024年第9期140-146,共7页China Brewing

摘　　要：该实验考察了活性炭负载铜氧化物(Cu/AC)为催化剂的微气泡臭氧催化氧化工艺对复糟酱香型白酒废水生化出水的深度处理效果。结果表明,序批式反应中催化剂投加量为15 g/L,臭氧投加量为12.5 mg/min,初始pH为7.5时,在此条件下,化学需氧量(COD)和波长254nm处紫外吸光值(UV_(254))去除率分别为79.0%和94.7%。催化剂多次使用后COD和UV_(254)去除率下降幅度均<5%。表征结果显示,催化剂表面形态平整,铜元素主要以CuO的形式存在并分散在AC上,有利于提升催化性能。经过长时间连续运行,COD和UV_(254)去除率仍能达到76%和92%,有较强稳定性和抗冲击能力。研究结果为微气泡臭氧催化氧化体系在复糟酱香白酒废水处理领域应用提供参考。The advanced treatment effect of the micro-bubble ozone catalytic oxidation process with copper oxide loaded on activated carbon (Cu/AC)as catalyst on biochemical effluent from sauce-flavor (Jiangxiangxing) Baijiu production with reusing distillers' grains wastewater was studied. Theresults showed that the catalyst addition in sequence batch reactors was 15 g/L, the ozone addition was 12.5 mg/min, and initial pH was 7.5, the removalefficiencies of chemical oxygen demand (COD) and ultra violet absorption value at wavelength 254 nm(UV_(254)) were 79.0%and 94.7%, respectively.After multiple cycles of catalyst usage, the decreases in COD and UV_(254) removal efficiencies were less than 5%. Characterization revealed asmooth morphology of the catalyst surface, with copper predominantly existing as CuO and dispersed on AC, enhancing catalytic performance. Theremoval efficiencies of COD and UV_(254) remained at 76% and 92% after long-term continuous operation, indicating strong stability and shock resistance.The results provided a reference for the application of the micro-bubble ozone catalytic oxidation system in treating wastewater from sauce-flavor Baijiuproduction with reusing distillers' grains.

关 键 词：复糟酱香白酒废水 微气泡臭氧 非均相催化剂 催化剂表征 

分 类 号：X797[环境科学与工程—环境工程]