RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT
EL-HAWAARY, S., KHALAFALLA, G. (1987). RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT. EKB Journal Management System, 18.1(35), 165-171. doi: 10.21608/avmj.1987.189488
S. EL-HAWAARY; G.M. KHALAFALLA. "RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT". EKB Journal Management System, 18.1, 35, 1987, 165-171. doi: 10.21608/avmj.1987.189488
EL-HAWAARY, S., KHALAFALLA, G. (1987). 'RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT', EKB Journal Management System, 18.1(35), pp. 165-171. doi: 10.21608/avmj.1987.189488
EL-HAWAARY, S., KHALAFALLA, G. RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT. EKB Journal Management System, 1987; 18.1(35): 165-171. doi: 10.21608/avmj.1987.189488

RESISTANCE OF BIOINDICATORS TO CHLORINATION DURING WASTEWATER TREATMENT

Assiut Veterinary Medical Journal
Article 23, Volume 18.1, Issue 35, January 1987, Page 165-171  XML PDF (2.4 MB)
Document Type: Research article
DOI: 10.21608/avmj.1987.189488
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Authors
S. EL-HAWAARY; G.M. KHALAFALLA
Abstract
Extensive biological analysis of raw and biologically treated wastewater demonstrated the presence of yeasts, acid fast, staphylococci and total coliform grganisms, in all tested samples, reached average values of 5.6x10°, 1.3x10', 1.9x10' and 1.4x10' respectively in raw, wastewater. These figures are reduced to 5.6x10°, 2.1x10, 4.3x109 and 3.6x10' during biological treatment and primary sedimantation. The relative resistance of these organisms to chlorination was found to be: acid-fast >yeast > staphylococci > coliforms. Acid-fast, yeast or staphy lococci organisms can represent a valid indicator of chlorination efficiency rather than coliforms.
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