Cyanobacterial Extracellular Polymeric Substances for Heavy Metal Removal: A Mini Review

被引:43
|
作者
Yadav, Ajit Pratap Singh [1 ]
Dwivedi, Vinay [2 ]
Kumar, Satyendra [3 ]
Kushwaha, Anamika [4 ]
Goswami, Lalit [5 ]
Reddy, Bezawada Sridhar [6 ]
机构
[1] Rama Inst Engn & Technol, Dept Biotechnol, Kanpur 209217, Uttar Pradesh, India
[2] Naraina Vidhyapeeth Engn & Management Inst, Dept Biotechnol, Kanpur 208020, Uttar Pradesh, India
[3] BNM Univ, BNMV Coll, Dept Bot, Madhepura 852113, Bihar, India
[4] Motilal Nehru Natl Inst Technol Allahabad, Dept Biotechnol, Prayagraj 211004, Uttar Pradesh, India
[5] Indian Inst Technol Guwahati, Ctr Environm, Gauhati 781039, Assam, India
[6] Indian Inst Petr & Energy, Dept Chem Engn, Visakhapatnam 530003, Andhra Pradesh, India
来源
JOURNAL OF COMPOSITES SCIENCE | 2021年 / 5卷 / 01期
关键词
cyanobacteria; heavy metal; toxicity mechanism; extrapolymeric substances; metallothionein; life cycle assessment;
D O I
10.3390/jcs5010001
中图分类号
TB33 [复合材料];
学科分类号
摘要
Heavy metals from various natural and anthropogenic sources are becoming a chief threat to the aquatic system owing to their toxic and lethal effect. The treatment of such contaminated wastewater is one of the prime concerns in this field. For decades, a huge array of innovative biosorbents is used for heavy metal removal. Though extensive microbes and their biomolecules have been experimented and have showed great potential but most of them have failed to have the substantial breakthrough for the practical application. The present review emphasis on the potential utilization of the cyanobacteria for the heavy metal removal along with the toxic effect imposed by the pollutant. Furthermore, the effect of significant parameters, plausible mechanistic insights of the heavy metal toxicity imposed onto the cyanobacteria is also discussed in detail. The role of extrapolymeric substances and metallothionein secreted by the microbes are also elaborated. The review was evident that the cyanobacterial species have a huge potential towards the heavy metal removal from the aqueous system ranging from very low to very high concentrations.
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页数:18
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