生物炭吸附在废水脱氮中的应用  

Application of Biochar Adsorption in Wastewater Denitrification

作　　者：张媛 许友芹 王金玉 阳颖平 许浩 郭雅婧 李金成[1] Zhang Yuan;Xu Youqin;Wang Jinyu;Yang Yingping;Xu Hao;Guo Yajing;Li Jincheng(Qingdao University of Technology,Qingdao 266033,China;Qingdao Real Estate Architectural Design Institute Co.,Ltd.,Qingdao 266071,China)

机构地区：[1]青岛理工大学环境与市政工程学院,山东青岛266033 [2]青岛房地产建筑设计院有限公司,山东青岛266071

出　　处：《山东化工》2020年第22期260-262,共3页Shandong Chemical Industry

基　　金：国家级大学生创新训练项目(202010429072)。

摘　　要：以农业或工业含碳废弃物为原料制备的生物炭具有原料来源广、成本低、吸附性能好的特点。随着水体富营养化的加剧及污水脱氮标准的日益严苛,污水处理需要消耗大量能源来去除氮类营养型污染物。本文介绍了不同材质生物炭的特性及改性方法,综述了利用生物炭去除水中氨氮、有机氮和硝酸氮的研究成果,指出利用生物炭去除水中的含氮物质不仅可以降低污水脱氮系统的压力,还能减少脱氮所需的能耗,是一种具有巨大潜力的脱氮技术。Biochar prepared from agricultural or industrial carbon waste has the characteristics of wide r sources of raw material,low cost and good adsorption performance.With the aggravation of water eutrophication and the increasingly stringent denitrification standards for wastewater treatment,a large amount of energy is needed to remove nitrogen from wastewater.In this paper,the properties of the biochar prepared by different raw materials and their modification methods were introduced,and the research progress of using biochar to remove ammonia nitrogen,organic nitrogen and nitrate nitrogen in water were summarized.It is indicated that the use of biochar to remove the nitrogenous substances in the water can not only reduce sewage nitrogen pressure of the system,and also can reduce the energy consumption required for the denitrification,and it is regarded that using biochar to remove nitrogen from water has great development potential.

关 键 词：生物炭 吸附 氨氮 有机氮 硝酸氮 

分 类 号：X7[环境科学与工程—环境工程]