Ultrasound Frequency Impacts on the Removal of Indigenous Blue-green Algae Taken from Lake Taihu

被引：7

作者：

Qiu Yejing ^{[1
]}

Rong Fei ^{[2
]}

Yang Fei ^{[1
]}

Li Jiangping ^{[1
]}

Long Hai ^{[1
]}

Wu Wei ^{[1
]}

机构：

[1] Southeast Univ, Sch Publ Hlth, Minist Educ, Key Lab Environm Med & Engn, Nanjing, Jiangsu, Peoples R China

[2] Southeast Univ, Sch Biol Sci &Med Engn, Nanjing, Peoples R China

来源：

MANUFACTURING SCIENCE AND TECHNOLOGY, PTS 1-8 | 2012年 / 383-390卷

关键词：

Ultrasound frequency; Sonication; Indigenous blue-green algae; Removal; Lake Taihu; Microcystins; MICROCYSTIS-AERUGINOSA; WATER TREATMENT; IRRADIATION; TOXICITY; TOXINS;

D O I：

10.4028/www.scientific.net/AMR.383-390.3758

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

This paper studied the ultrasonic removal of indigenous blue-green algae taken from Lake Taihu. The results showed that higher ultrasound frequency benefited the removal of indigenous algae. But in consideration of complex condition of the natural lakes and reservoirs such as the lack of powerful electrical supply system, low sound frequency is more suitable. Because of slightly improvement in the algae removal rate constants among the low frequency range (20-100 kHz), 20 kHz is the best ultrasound frequency for indigenous algae removal. Moreover, little change in the microcystins concentration was found with sonication at 20 kHz, 2W for 60s, which was compared with the increased microcystins from 2.67 to 2.851 mg/L after sonication at 1000 kHz, 2W for 60s. the concentration of chlorophyll

引用

页码：3758 / +

页数：3

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