基于生物炭基的臭氧催化氧化与超滤联用处理染料的研究

作     者：Sackey Ebenezer Ampofo 

作者单位：浙江科技学院 

学位级别：硕士

导师姓名：宋亚丽

授予年度：2021年

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 

主      题：Biochar Ozonation UF membrane Catalyst Dye 

摘      要：Textile industries result in the production of a large amount of wastewater with a robust and persistent *** the textile industries,Azo dyes are primarily used,which have become harmful to the *** Red 46（BR 46）dye is an industrial dye used as a model compound for Azo dyes,which have been identified as one of the most problematic dyes in industrial *** is a clear sign that Azo dye removal from wastewater,such as BR 46,is a pressing issue that must be *** methods,such as coagulation,membrane separation,adsorption and advanced oxidation,etc.,have been reported and used to treat dye wastewater,and the prospect of different procedures has been ***,it is essential to seek a suitable process to control dye wastewater *** this study,ozonation,biochar,and ultrafiltration（UF）membrane were used to treatment BR *** removal rates of BR 46 by ozone,biochar,UF membrane,or their combined processes were investigated,and membrane flux variation was *** study was conducted to investigate biochar samples derived from bamboo and rice straw for adsorbing Basic Red 46（BR 46）from aqueous solutions using batch ***（B）and rice straw（R）were pyrolyzed at 500 and 700℃（B500,B700,R500,and R700）.Experimental data of BR 46 adsorption on B500,B700,R500,and R700 well-fitted pseudo-second-order kinetic model（R20.99）.After 24 hours,the dye and biochars had almost reached adsorption equilibrium,with R500 and R700 having higher adsorption efficiency than B500 and *** solution’s p H largely influenced the surface charge of biochars,which resulted in the variation of adsorption capacities of BR *** the increase of p H values,the adsorption capacities increase with a maximum occurring at a p H of *** adsorption isotherms indicated that the adsorption of BR 46 on B500,B700,R500,and R700 better fitted the Langmuir model than the Freundlich ***,adsorption capacity increased with an incr