| Autor: |
Xiao Sun1, Can Wang1 wangcan@tju.edu.cn, Min Ji1 |
| Předmět: |
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| Zdroj: |
Fresenius Environmental Bulletin. 2017, Vol. 26 Issue 1A, p572-578. 7p. |
| Abstrakt: |
In this study, the effects of copper sulfate (CuSO4) on the production and release of microcystin-LR (MC-LR) during Microcystis aeruginosa treatment were investigated. The results shows the inhibition of M. aeruginosa growth after CuSO4 was added and a portion of intracellular substances contained MC-LR was released at the same time. At 1.5 mg·L-1 CuSO4, cell density decreased from 14 × 106 ·mL-1 to 4 × 106 ·mL-1 compared with that of the control group; extracellular MC-LR increased from 0.61 μg·L-1 to 38.03 μg·L-1. Through the experiments it can be found that microcystin is a primary increasing metabolite when cells multiply. And CuSO4 could inhibit MC-LR production through affecting cell metabolism; the effects of CuSO4 could be affected by Cu2+ concentration and adsorption capacity of algal cells. And a suitable dosage, pH, dosing period or reaction time of CuSO4 can reach a good effect when considering the less harm to the environment. [ABSTRACT FROM AUTHOR] |
| Databáze: |
GreenFILE |
| Externí odkaz: |
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