streptomyces exfoliatus
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2020 ◽  
pp. 435-442
Author(s):  
Tat'yana Vasil'yevna Ryazanova ◽  
Ol'ga Semenovna Fedorova

The article examines the effect of the "Unisorb-Bio" carbamide sorbent modified with wood bark on the biodegradation of fuel oil using the example of artificially contaminated soil. It is shown that for 100 days of exposure "Unisorb-Bio" and actinomycetes immobilized on it (Streptomyces exfoliatus strain) are able to effectively decompose fuel oil. The maximum value of the degree of destruction of fuel oil was 82.7% in soil samples with a sorbent modified with birch bark. In the samples with larch bark, this figure is 7.3% lower. The degree of destruction of fuel oil in the control soil sample (soil with fuel oil) for the entire exposure period was – 27.4%. If this figure is taken as the background, then only the direct contribution to the degradation of fuel oil biosorbent is 45.1%; biosorbent with 0.2% diammofoska – 55%; sorbent without microorganisms – 33.8%. The results showed that the used carbamide sorbent with immobilized and native microflora is capable of effectively decomposing fuel oil to concentrations that allow the transition to agrotechnical measures. Thus, sowing watercress on soils after the end of the experiment showed that seed germination is 50–60%, which suggests that residual concentrations of fuel oil are relatively harmless to the root system of plants and the completion of the bioremidation process can be carried out by growing plants that are resistant to residual concentrations of pollutants. In general, the result confirms the effectiveness of the applied method in accelerating bioremidation processes, but further development is required in the direction of creating mixed associations of UVOM.





2019 ◽  
Vol 33 (S1) ◽  
Author(s):  
Shinae Park ◽  
Yong‐Joon Cho ◽  
Da‐yea Jung ◽  
Kyung‐nam Jo ◽  
Jung‐Shin Lee


2017 ◽  
Vol 112 ◽  
pp. 76-82 ◽  
Author(s):  
Appadurai Muthamil Iniyan ◽  
Rajaretinam Rajesh Kannan ◽  
Francis-Joseph Rosemary Sharmila Joseph ◽  
Thankaraj Rajam Jabila Mary ◽  
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2016 ◽  
Vol 37 (6) ◽  
pp. 1231-1237 ◽  
Author(s):  
Poorva sharma ◽  
Bharti Choudhary ◽  
Anand Nagpure ◽  
Rajinder Gupta




2014 ◽  
Vol 2 (1) ◽  
Author(s):  
V. Martinez ◽  
D. Hormigo ◽  
C. del Cerro ◽  
P. Gomez de Santos ◽  
J. Garcia-Hidalgo ◽  
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2013 ◽  
Vol 37 ◽  
pp. 520-529 ◽  
Author(s):  
Magda ALY ◽  
Sanaa TORK ◽  
Saleh AL-GARNI ◽  
Reda ALLAM


Author(s):  
Kye Joon Lee ◽  
Sung Gyun Kang ◽  
In Seop Kim


2012 ◽  
Vol 115 ◽  
pp. 177-182 ◽  
Author(s):  
Daniel Hormigo ◽  
Javier García-Hidalgo ◽  
Carmen Acebal ◽  
Isabel de la Mata ◽  
Miguel Arroyo


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