FIELD: mechanical engineering. SUBSTANCE: modular filtration system (110) includes many operational modules (160) mechanically interconnected in production chain and connected by parallel liquid sections of flow of liquid (122) being filled, used liquid flow (134) and obtained liquid flow 9132). System is also provided with turbine (140A) and energy recuperation unit (140) for extraction of energy from used liquid. System may also include pressure rising unit (120) for increasing pressure of liquid being charged 9122) and common drive shaft (120C) for energy recuperation unit (140) and pressure rising unit (120). EFFECT: enhanced efficiency of extraction of energy. 11 cl, 6 dwg
