High-Added Value Materials Production from OMW: A Technical and Economical Optimization

Table 1

Physicochemical characterization of fractions of the various treatment stages.

Parameter	Raw	Perm prefilter = feed UF	Ultrafiltration		Nanofiltration		Reverse osmosis
			Conc	Perm = feed NF	Conc	Perm = feed RO2	Conc	Perm
Salinity, %	0.66	0.66	0.67	0.59	1.11	0.01	0.02	0.0
TSS, g/L	21.5	18.56	46.98	2.36	5.32	0	0.0	0.0
t-COD, g/L	97.32	92.9	127.19	94.88	156.44	1	9.1	0.2
d-COD, g/L	85.68	72.24	61.92	77.64	131.32	1	7.56	0.16
Carbohydrates, g/L	28.75	20.51	18.8	24.1	51.827	0.310	3.2	0.1
Phenolics, g/L	5.91	5.08	4.16	5.04	10.6	0.1	0.9	0.01