Pharmaceutical Effluent Treatment Using Multi-effect Evaporator Process

Table 2

Comparison of pharma effluent treatment.

S. no.	Parameters	Raw combined effluent	Conventional method		Novel treatment method
					Stage 1 air stripping	Stage 2 multi-effect evaporator
			Values	Removal efficiency		Values	Removal efficiency
1.	pH	7.5	7.6	—	7.6	8	—
2.	TSS, mg/l	2800	2089	25.39%	1057	404	85.57%
3.	TDS, mg/l	15300	14968	2.17%	7971	2157	85.90%
4.	BOD, mg/l	8500	3765	55.70%	2443	579	93.19%
5.	COD, mg/l	26500	10695	59.64%	9000	4950	81.32%
6.	TKN, mg/l	800	484	39.5%	327	204	74.5%