Fig. 18. Representation of the mass balance of collection node. RC: residential consumption; CC: commercial consumption; EB: industrial effluent treatment plant connected with large industrial consumers; ELds: related to ILds; ELdn: related to ILdn; WL: large existing DWTPs; NAl: new large WWTPs with drinking water output quality; NBl: new large WWTPs with fresh water output quality; NCl: new large WWTPs with irrigation water output quality; NDl: new large WWTPs with discharge water output quality; MAl: modified large WWTPs with drinking water output quality; MBl: modified large WWTPs with fresh water output quality; MCl: modified large WWTPs with irrigation water output quality; S: sink.
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