Abstract: This invention relates to various membrane-based processes and their combinations, such as Forward Osmosis (FO), Reverse 5 Osmosis (RO), Nanofiltration (NF), Ultrafiltration (UF), Membrane Bioreactor (MBR), Osmotic Distillation (OD) and Membrane Distillation (MD), for various application of dilution, concentration, dewatering, separation, purification, fractionation or extraction applications of different solvents including 10 various sources of water, wastewater, active pharmaceutical ingredients (APIs), food and beverage sources, dairy products etc. It is also applicable to all the industrial and domestic applications that involves recovering or water reclamation from inlet sources.