الكشف عن البكتيريا وعزلها من محطات التنقية في مدينة ترهونة

This study focused on the detection and isolation of bacteria from purification plants in

Tarhuna. Where samples were collected from 25 purification plants in the city during

the months of November and December 2017. Then it was cultured on several food

media (Blood agar, MacConkey agar, S.S Agar) To isolate and diagnose bacteria based

on their morphology and microscopic examination. The results of this study showed

that 8% of the samples were completely free of any bacterial presence, and that 92% of

the samples had bacterial growth, including Escherichia ,Klebcilla,

Shigella,,Salmonella,,Streptococcus  Bacteria, Where it was found that the presence of

these bacteria was caused by the contamination of tanks, and the lack of observance of

health conditions and controls in purification processes, And not to change the filters

(filters), as well as not to follow the correct steps for sterilization operations in general.