Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust

Table 2

Release standards established by the World Health Organization and Moroccan ones.

Parameter	Raw	Red sawdust (RS)			Catia sawdust (CS)
		5 cm	9 cm	13 cm	5 cm	9 cm	13 cm
pH	8.28	6.7	6.5	6.42	6.42	6.31	6.26
Conductivity (μS/cm)	230000	77600	1430	1280	77000	1720	950
DCO (mgO2·l^−1)	1593.6	425.9	386.36	376	420	378.1	321
DBO5 (mgO2·l^−1)	131.28	33	29.9	29.5	32.37	29.22	24.45
(mg/l)	7.72	1.21	0.99	0.96	1.21	0.94	0.62
(mg/l)	5.33	0.93	0.78	0.74	0.90	0.75	0.53
(mg/l)	2.53	0.95	0.75	0.48	0.78	0.76	0.48