固定化硝化细菌去除水体中氨氮的研究

广东工业大学学报 ›› 2006, Vol. 23 ›› Issue (2): 29-33.

固定化硝化细菌去除水体中氨氮的研究

广东工业大学环境科学与工程学院；珠江水产研究所；广东工业大学轻工化工学院；广东工业大学实验中心广东广州510090；广东广州510380；西北工业大学材料学院；陕西西安710072；广东广州510090；

出版日期:2006-04-06 发布日期:2006-04-06

Study on Removing Ammonium Nitrogen from Wastewater by Immobilized Microorganism

(1.Faculty of Environment Science and Technology,Guangdong University of Technology,Guangzhou 510090,China; 2.Zhujiang Aquiculture Academy,Guangzhou 510380,China;3.Faculty of Material,Northwestern Polytechnical University,Xi’an 710072,China;4.Faculty of Chemical Engineering and Light Industry,Guangdong University of Technology,Guangzhou 510090,China;5.Experiment Center,Guangdong University of Technology,Guangzhou 510090,China)

Online:2006-04-06 Published:2006-04-06

摘要/Abstract

摘要： 研究了以聚乙烯醇(PVA)为骨架载体,添加适量的添加剂,利用活性炭吸附硝化细菌,采用包埋法制作固定硝化细菌小球,去除水体中氨氮的方法.通过实验,发现1%的海藻酸钠(占PVA的凝胶百分比),4%SiO2,0.3%CaCO3作为添加剂,PVA包埋硝化细菌的成球效果较好,小球表现有较佳的机械强度以及传质性能.同时用正交实验确定了在PVA质量浓度为10%,活性炭含量占PVA凝胶的2%,交联时间32h及包菌量的值为1∶2的情况下,包埋的固定化小球去除氨氮的效率最高,42 h就可以达到80%以上,去除氨氮效率强.

关键词: 固定化微生物；包埋法；硝化细菌；氨氮；聚乙烯醇(PVA)；

Abstract: A technics used to efficiently remove NH+4-N in the water treatment is studied with the carrier of PVA entrapping nitrobacteria in this paper.It is reported that 1% sodium alginate,4% SiO2,0.3% CaCO3 are the good additives for PVA beads immobilized nitrifying bacteria by PVA crosslinked with boric acid.The beads have well mechanical intensity and diffusion characteristics.At the same time the NH+4-N removal efficiency is very high with these beads which are made under the conditions of 10% PVA,2% active carbon,32?h crosslinked time and 1 vol.nitrifying bacteria in 2 vol.gelatin.The NH+4-N removal efficiency could reach 80% or more in 42?h.The effect is remarkable.

Key words: immobilized microorganism； entrapment； nitrifying bacteria； NH4+-N； polyvinyl alcohol(PVA)；

冯本秀；赖子尼；陈俊彬；张坤泉；余煜棉； . 固定化硝化细菌去除水体中氨氮的研究[J]. 广东工业大学学报, 2006, 23(2): 29-33.

FENG Ben-xiu~(1),LAI Zi-ni~(2,3),CHEN Jun-bin~(4),ZHANG Kong-quan~(4),YU Yu-mian~(5). Study on Removing Ammonium Nitrogen from Wastewater by Immobilized Microorganism[J]. Journal of Guangdong University of Technology, 2006, 23(2): 29-33.

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