Growth and heavy metals accumulation by Spirulina platensis biomass from multicomponent copper containing synthetic effluents during repeated cultivation cycles

被引：20

作者：

Cepoi, Liliana ^{[1
,2
]}

Zinicovscaia, Inga ^{[3
,4
,5
]}

Rudi, Ludmila ^{[1
]}

Chiriac, Tatiana ^{[1
]}

Miscu, Vera ^{[1
]}

Djur, Svetlana ^{[1
]}

Strelkova, Ludmila ^{[3
]}

Vergel, Konstantin ^{[3
]}

Nekhoroshkov, Pavel ^{[3
]}

机构：

[1] Inst Microbiol & Biotechnol, 1 Acad Str, Kishinev 2028, Moldova

[2] State Univ Dmitrie Cantemir, 3-2 Acad Str, Kishinev 2028, Moldova

[3] Joint Inst Nucl Res, 6 Joliot Curie Str, Dubna 1419890, Russia

[4] Horia Hulubei Natl Inst R&D Phys & Nucl Engn, 30 Reactorului Str MG 6, Bucharest, Romania

[5] Inst Chem, 3 Acad Str, Kishinev 2028, Moldova

来源：

ECOLOGICAL ENGINEERING | 2020年 / 142卷

基金：

俄罗斯基础研究基金会;

关键词：

Spirulina platensis; Metal bioaccumulation; Biochemical components; Renewable accumulator; Neutron activation analysis; NEUTRON-ACTIVATION ANALYSIS; INDUSTRIAL WASTE-WATER; REMOVAL; TOXICITY; NICKEL; ZINC; MICROORGANISMS; MECHANISMS; STRESS;

D O I：

10.1016/j.ecoleng.2019.105637

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The metal bioaccumulation as well as biochemical changes in cyanobacterium Spirulina platensis biomass at its growth in multicomponent copper containing synthetic effluents during repeated cultivation cycle was investigated. It was demonstrated high capacity of metal accumulation by spirulina biomass from multicomponent systems, containing copper ions in concentration range 2.5-10 mg/L, along with iron, nickel and zinc. In systems with copper ions concentration 2.5 mg/L and 5 mg/L spirulina acted as a renewable biologic sorbent due to its ability to keep high metal accumulation capacity during 2-3 cultivation cycles. Capacity of renewable accumulator was ensured by maintenance of balance between spirulina biochemical components and expressed by moderate reduction of proteins content and optimal level of lipids content.

引用

页数：12

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