Green biocides against sulfur-reducing bacteria and macrofouling organisms
BASMA A. OMRAN; NESREEN A. FATHALLA; NOUR S. ELGENDY; EINAS H. ELSHATOURY; ABOUZEID, MOHAMED;
Abstract
When waterborne bacteria congregate in sufficient numbers they form a film on the surface of pipelines, tanks, and industrial equipments. Sulfate-reducing bacteria (SRB) are the major contributors to microbial influenced corrosion (MIC), particularly in environments with high sulfate concentrations such as seawater. More problems occur when the biofilm builds up biofouling which is composed mainly of macrofouling organisms such as mollusks, barnacles and mussels. This work presents the results of biocidal effects of some readily available natural non-edible domestic wastes; the waste bitter water extract of Egyptian lupine seeds (L) and the hot water extracts of orange (O) and mandarin (M) peels against planktonic SRB and (Brachidontes variabilis). The three natural extracts express good biocidal activity against SRB and B. variabilis and show low toxic effect on non-target sea organisms (e.g. isopoda, amphipoda and decapoda) compared to chemical biocides reported in literature.
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Title | Green biocides against sulfur-reducing bacteria and macrofouling organisms | Authors | BASMA A. OMRAN; NESREEN A. FATHALLA; NOUR S. ELGENDY; EINAS H. ELSHATOURY; ABOUZEID, MOHAMED | Keywords | Biocides;sulphate reducing bacteria;macro-biofoulants;biomass extracts;toxicity;non-target sea organisms | Issue Date | 2013 | Publisher | Journal of Pure and Applied Microbiology | Journal | Journal of Pure and Applied Microbiology | Volume | 7 | Issue | 3 | Start page | 2219 | End page | 2232 |
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