Pilot-Scale Investigation of Forward/Reverse Osmosis Hybrid System for Seawater Desalination Using Impaired Water from Steel Industry

Table 3

Analysis of concentrated Ezz Steel treated wastewater from FO after 6 hrs and RO concentrate before and after 2nd stage of FO-batch process.

Time; (hrs)	FS; Fe; (mg/L)	FS; Zn; (mg/L)	FS; PO4; (mg/L)	FS; COD; (mg/L)	FS; TDS; (mg/L)	DS; Fe; (mg/L)	DS; Zn; (mg/L)	DS; PO4; (mg/L)	DS; COD; (mg/L)	DS; TDS; (mg/L)
0	0.18	0.79	0.10	29	3703	0	0	0	0	13800
3	0.1	1.6	0.04	17	7960	0	0	0	0	7990