Study of Carbonaceous and Nitrogenous Pollutant Removal Efficiencies in a Hybrid Membrane Bioreactor

Table 2

Operational conditions of the HMBR.

Height of packing bed (cm)	Number of period	Number of days in the period	Accumulated time from; day to day	Concentration of COD at the inlet; Kg/m^3	Concentration of; Kg N/m^3	Air; flowrate; L/h	Average COD loading rate kgCOD/(m^3⋅d)	Average loading rate kgN/(m^3⋅d)
Phase I; 27 cm	1	16	1–16	250–1000	16–65	120
	2	10	17–26	2000	135		2,87	0,19
	3	7	27–33			60
	4	8	34–41	2500	165		3,59	0,24
	5	8	42–49			120
	6	10	50–59	3000	202		4,30	0,29
	7	7	60–66			60
	8	7	67–73	5000	335		7,17	0,48
	9	6	74–79			120
Phase II; 54 cm	10	10	80–89	3000	202	180	4,30	0,29
	11	14	90–103			60
	12	7	104–110	5700	380		8,18	0,55
	13	8	111–118			120
	14	11	119–129			180
	15	5	130–134	4000	270		5,74	0,39
	16	5	135–139			60
	17	9	140–148			120
	18	5	149–153			60
Phase III; 0 cm	19	6	154–159	4000	270		5,74	0,39
	20	7	160–166			120