[Retracted] Treatment of Pharma Effluent using Anaerobic Packed Bed Reactor

Table 2

Characteristics of influent and effluent water in the proportion 1 : 3 at various HRTs.

Sl. no.	Parameter	Influent concentration, mg/l	Effluent concentration, mg/l at 1 day HRT	Effluent concentration, mg/l at 2 days. HRT	Effluent concentration, mg/l at 3 days. HRT
1	pH	6.51	6.1	6.7	7
2	BOD	630	189	165	160
3	COD	1650	495	446	429
4	TDS	265	80	53	53
5	TSS	43	33	30	28