四种填料滤器处理养鱼废水的硝化性能

文章导航 >  农业工程学报  > 2010  >  26(11) : 231-236.

宋奔奔, 刘 鹰, 石芳永, 傅松哲, 刘志培, 张延青, 倪琦. 四种填料滤器处理养鱼废水的硝化性能[J]. 农业工程学报, 2010, 26(11): 231-236.

引用本文: 宋奔奔, 刘 鹰, 石芳永, 傅松哲, 刘志培, 张延青, 倪琦. 四种填料滤器处理养鱼废水的硝化性能[J]. 农业工程学报, 2010, 26(11): 231-236.

Song Benben, Liu Ying, Shi Fangyong, Fu Songzhe, Liu Zhipei, Zhang Yanqing, Ni Qi. Nitrification of biofilters packed with four different substrates for treating mariculture wastewater[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2010, 26(11): 231-236.

Citation: Song Benben, Liu Ying, Shi Fangyong, Fu Songzhe, Liu Zhipei, Zhang Yanqing, Ni Qi. Nitrification of biofilters packed with four different substrates for treating mariculture wastewater[J]. Transactions of the Chinese Society of Agricultural Engineering (Transactions of the CSAE), 2010, 26(11): 231-236.

四种填料滤器处理养鱼废水的硝化性能

1.

中国科学院海洋研究所，青岛 266071

2.

中国水产科学研究院渔业机械仪器研究所，上海 200092

3.

青岛理工大学环境工程学院，青岛 266033

4.

中国科学院微生物研究所，北京 100101

基金项目: 国家863计划（2006AA100305）；中科院科技行动计划项目（TJ2X2-YW-16）；国家科技支撑计划项目（2006BAD09A03）

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Nitrification of biofilters packed with four different substrates for treating mariculture wastewater

摘要

摘要: 为了研究不同填料对海水养殖废水处理的硝化效能，并为生物滤器硝化动力学模型的构建、生物滤器的设计与管理提供基础数据支持，本文在5个化学耗氧量/总氨氮比0、0.8、2、6、12条件下，研究了竹制空心生化球、麦饭石、陶粒和生物滤球等4种填料的生物滤器去除模拟海水养殖废水中化学需氧量和总氨氮，以及生物膜微生物种群结构和数量的变化。结果表明：在低化学需氧量/总氨氮（＜6）条件下麦饭石填料的生物滤器具有最高的化学需氧量和总氨氮去除效能，最高分别可达850和21 g/(m3·d)（化学需氧量/总氨氮=0.8）；竹制空心

Abstract: To explore mariculture wastewater removal capacity by biofliter and to acquire the parameters of nitrification kinetics in biofilter for promoting RAS applied study and extensive application, Bamboo Ring, Maifan Stone, Ceramic Pellet and Plastic Ball (PE) substrates were packed into different biofilters. The physical chemistry characters of substrates, COD and ammonia nitrogen removal capacity were investigated and evaluated by simulated mariculture wastewater under five C/T ratio (COD/TA N=0, 0.8, 2, 6, 12). The results showed that 1) COD and TAN removal capacities of biofilter packed with Maifan Stone substrate were the highest under low C/T (<6), with the highest rate of 850 and 21 g/(m3·d) (C/T = 0.8) respectively. The second was the Bamboo Ring substrate, with the highest rate of 750 and 23 g/(m3·d) (C/T = 6) respectively. As carbon concentration improving, the TAN removal rate decreased and COD removal rate increased. 2) Under the condition of 15–22℃ and HRT 0.5 h, nitrobacteria number for different substrates reached a plateau and matured in 40–50 d, Bamboo Ring in 50 d, others in 40 d. Choosing different substrate can impact the running stability of biofilter. Substrate is closely related with biofilm maturation duration and nitrification process, and affects nitrifying capacity obviously. Bamboo Ring substrate can remove TAN with the highest rate under higher C/T (>6) ratio condition and has a potential in RAS production.

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计量 文章访问数:  HTML全文浏览量:  0 PDF下载量:  出版历程 收稿日期:  2010-01-20 修回日期:  2010-09-04 发布日期:  2010-11-29

目录

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