Removal of Nutrients and Heavy Metals from Swine Wastewater using Chlorella vulgaris

2018 ◽  
Vol 27 (11) ◽  
pp. 1059-1072 ◽  
Author(s):  
Eun-Ji Oh ◽  
In-Sung Hwang ◽  
Jin Yoo ◽  
Keun-Yook Chung
Keyword(s):  
Heavy Metals ◽  
Chlorella Vulgaris ◽  
Swine Wastewater

Influence of Heavy Metals on the Growth of Chlorella vulgaris

2021 ◽  
Vol 15 (3) ◽  
pp. 374-379
Author(s):  
Bingbing Pang ◽  
Mingzhou Zeng ◽  
Wenjia Zhang ◽  
Fengcai Ye ◽  
Changhua Shang
Keyword(s):  
Heavy Metals ◽  
Water Quality ◽  
Growth Rate ◽  
Growth Inhibition ◽  
Chlorella Vulgaris ◽  
Specific Growth ◽  
Concentration Level ◽  
Water Quality Monitoring ◽  
Quality Monitoring ◽  
Average Specific Growth Rate

Growth inhibition of chromium (Cr), cadmium (Cd) and lead (Pb) to fresh water microalga Chlorella vulgaris (C. vulgaris) FACHB-8 was examined. These results demonstrated that the concentration level (EC50 value) of three heavy metals (Cr, Cd and Pb) could be utilized as an indicator for evaluating the toxicities of Cr, Cd and Pb for microalga growth. The EC50 values of Cr for C. vulgaris were 0.22, 0.07 and 0.04 mg/L at 24, 48 and 72 h based on Algorithm 2 (%Ir, percent inhibition in average specific growth rate), respectively. The EC50 values of Cd for C. vulgaris were 2.76, 1.08 and 0.93 mg/L at 24, 48 and 72 h based on Algorithm 2, respectively. The EC50 values of Pb for C. vulgaris were 73.21, 65.02 and 48.38 mg/L at 24, 48 and 72 h based on Algorithm 2, respectively. The results laid a good foundation for the application of C. vulgaris in the water quality monitoring.

scholarly journals Heavy Metals Removal from Swine Wastewater Using Constructed Wetlands with Horizontal Sub-Surface Flow

2012 ◽  
Vol 03 (08) ◽  
pp. 871-877 ◽  
Author(s):  
Jorge A. Cortes-Esquivel ◽  
Germán Giácoman-Vallejos ◽  
Icela D. Barceló-Quintal ◽  
Roger Méndez-Novelo ◽  
María C. Ponce-Caballero
Keyword(s):  
Heavy Metals ◽  
Constructed Wetlands ◽  
Surface Flow ◽  
Swine Wastewater ◽  
Heavy Metals Removal ◽  
Metals Removal

scholarly journals Effects of five heavy metals at sub-lethal concentrations on the growth and photosynthesis of <italic>Chlorella vulgaris</italic>

2012 ◽  
Vol 57 (10) ◽  
pp. 785-793 ◽  
Author(s):  
QiShuang HE ◽  
FuLiu XU ◽  
HuiLing OUYANG ◽  
Wei HE ◽  
Ning QIN ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Chlorella Vulgaris

Biosorptio Of Cd2+ By Wildtype And Cadmium Resistant, CdR-99 Cell Line Of Chlorella Vulgaris

2021 ◽  
Vol 14 (14) ◽  
pp. 115-123
Author(s):  
Sudarshana Shakya ◽  
Bindra Devi Shakya ◽  
Amrita Tamrakar ◽  
Bijaya Adhikari ◽  
Sabita Nepal ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Wastewater Treatment ◽  
Cell Line ◽  
Cell Lines ◽  
Chlorella Vulgaris ◽  
Algal Cell ◽  
Resistant Isolate ◽  
Resistant Line ◽  
Wastewater Treatment Process ◽  
Flame Atomic Absorption

Removal of heavy metals is very important in wastewater treatment process, due to their toxic effects on the environment. Biological treatment has attracted researchers for years since it has many advantages over physical and chemical methods for removing heavy metals from wastewater. The purpose of this research was to assess the biosorption of Cd2+ by wildtype (WT) and CdR-99 resistant line of Chlorella vulgaris confirming mechanisms of resistance to Cd2+ toxicity and the effect of the variable concentrations of Cd2+ on their growth. Exposure of both algal cell lines to increasing Cd2+ concentrations resulted in progressive inhibition of growth as revealed by growth experiments. The higher ID50 value (38 μM Cd2+) of CdR-99 resistant line exhibited some degree of resistance to Cd2+ toxicity. Metal content was determined by flame atomic absorption spectrometry (FAAS). When exposed to the growth medium containing 50 μM Cd2+, CdR-99 resistant isolate proved to be efficient cell line compared to the WT, in terms of adsorption and removal of Cd2+ at 15 min and 48 hr interval of time respectively. Extracellular Cd2+ adsorption was found significantly higher than intracellular uptake in both the tested cell lines. Total Cd2+ accumulation and distribution between the external and internal cell fractions of the CdR-99 were significantly higher to the WT. Thus, the CdR-99 cell line appeared more resistant to Cd2+ toxicity and hence may be used for wastewater treatment and remediation of metal contaminated sites.

scholarly journals Aged microplastics decrease the bioavailability of coexisting heavy metals to microalga Chlorella vulgaris

2021 ◽  
Vol 217 ◽  
pp. 112199
Author(s):  
Zezheng Wang ◽  
Dongdong Fu ◽  
Liu Gao ◽  
Huaiyuan Qi ◽  
Yuanyuan Su ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Chlorella Vulgaris
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