[1]丁暘,浦跃朴,尹立红,等.超声除藻的参数优化及其在太湖除藻中的应用[J].东南大学学报(自然科学版),2009,39(2):354-358.[doi:10.3969/j.issn.1001-0505.2009.02.031]
 Ding Yang,Pu Yuepu,Yin Lihong,et al.Parameters optimization of ultrasound algae removal technology and bloom removal study in Taihu Lake[J].Journal of Southeast University (Natural Science Edition),2009,39(2):354-358.[doi:10.3969/j.issn.1001-0505.2009.02.031]
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超声除藻的参数优化及其在太湖除藻中的应用()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
39
期数:
2009年第2期
页码:
354-358
栏目:
环境科学与工程
出版日期:
2009-03-20

文章信息/Info

Title:
Parameters optimization of ultrasound algae removal technology and bloom removal study in Taihu Lake
作者:
丁暘 浦跃朴 尹立红 邱潇潇 李云晖 吴巍
东南大学公共卫生学院, 南京 210009
Author(s):
Ding Yang Pu Yuepu Yin Lihong Qiu Xiaoxiao Li Yunhui Wu Wei
School of Public Health, Southeast University, Nanjing 210009, China
关键词:
超声 水华 除藻 现场实验
Keywords:
ultrasound water bloom algae removal field study
分类号:
X172
DOI:
10.3969/j.issn.1001-0505.2009.02.031
摘要:
设计、制备了一种低频超声除藻装置,通过调节超声频率、功率和辐射时间等不同的参数,得到优化的超声参数组合,并将该技术应用于太湖除藻的现场研究.结果表明:当超声参数组合为频率20 kHz,功率40 W,辐射时间15 s时,具有较好的实验除藻效果.在太湖现场实验中,载有超声除藻装置的实验船在400 m2实验区域作用1 h后,水表层的藻细胞由107个/mL降低到105个/mL,透明度由0 cm上升为35 cm,叶绿素a含量降低为初始浓度的3.3%,水质得到明显改善.这说明超声处理对藻类生长有显著的抑制作用,尤其适于水华发生期间的应急处理.
Abstract:
A kind of algae removal equipment with low frequency ultrasound was designed. The algae removal effects of ultrasound technology with different parameters combination of frequency, power and treatment time were experimentally verified. The equipment with optimal parameters was applied in Taihu Lake with an area of 400 m2. The results show that algae are removed significantly by ultrasonic irradiation with optimal parameters at the frequency of 20 kHz, the input power of 40 W and the exposure time of 15 s. In the field study of Taihu lake, after one hour ultrasound treatment, the algae density dropped rapidly from 107 cells/mL to 105 cells/mL. Besides, the water diaphaneity was raised from 0 cm to 35 cm and the concentration of Chlorophyll a remained 3.3% of the initial value. It can be concluded that the ultrasonic technology is effective in algae removal, especially in the period of bloom outbreak.

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备注/Memo

备注/Memo:
作者简介: 丁暘(1978—),女,硕士生; 吴巍(联系人),男,博士,研究员, weiwu-cs@sohu.com.
基金项目: 江苏省自然科学基金资助项目(BK2006107)、江苏省预防医学科研基金资助项目(Y2006025)、高等学校博士学科点专项科研基金资助项目(20060286010)、江苏省科技厅太湖专项资助项目(BS2007112).
引文格式: 丁暘,浦跃朴,尹立红,等.超声除藻的参数优化及其在太湖除藻中的应用[J].东南大学学报:自然科学版,2009,39(2):354-358.
更新日期/Last Update: 2009-03-20