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Isolation and diagnosis of sulfur reducing bacteria from the cooling systems of the General Company for Fertilizers chemical and corrosive | ||
| Journal of Research Diyala humanity | ||
| Article 1, Volume 0, Issue 39, 2017, Pages 289-307 | ||
| Authors | ||
| wijdan hasan; abidelkareem flieh; adnan niee | ||
| Abstract | ||
| Aiming to study the numeration ,isolation and identification of sulfur reducing bacteria (SRB) from cooling system of General State of Fertilizers Company Southern Region (GSFC) in Basrah city was investigated . (108) samples of water were collected from four sites of cooling system in addition treated water and raw water that are collected from Shatt Al-Arab river during the period September 1999–may2000. The most probable number method was employed in counting the total number of SRB by using liquid (API ) media , the result showed that the total SRB numbers in cooling water system is more than that observed in treated water samples . Furthermore, the high percentage of spore forming sulfate reducing bacteria was (61%) in treated water while in station in–A was ( 26%). An arbitrary desecrated apparatus was designed which is necessary for SRB growth by removing of oxygen from nitrogen gas the nitrogen gas was passed through a heated copper coil containing a copper powder . Also carbon dioxide was provided by this apparatus. . By means of rolling tube method isolated of pure sulfate reducing bacteria was obtain by using solid (API) media supplemented with oxygen reducing agent and which was saturated with C2 and N2 gases , the bacteria was identified according to Bergy ,manual of systematic bacteriology (1994) . Three genus of SRB were detected for the first time in Iraq , i.e Desulfobulbus , Desulfobacterium and Desulfotomaculum , two spices of the third genus were also identified D , geothermicum and D. thermoacetoxideans . | ||
| Keywords | ||
| Back and isolate and diagnose bacteria reducing sulfur from the cooling systems of the company; Encyclopedia Berki; Desulfobulbus; Desulfobacterum; Desulfotomacuhum | ||
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