A system S1 for water treatment is disclosed which comprises a membrane separation unit M1, an extraction unit E1, a decanting unit D1, an organic phase recovery unit O1, a waste water post-processing unit W1, wherein either: (i) a first inlet E100 of the extraction unit E1 is in fluid communication with a first system inlet S100, and a first outlet W200 of the waste water post- processing unit W1 is in fluid communication with a first inlet M100 of the membrane separation unit M1, OR (ii) the first inlet M100 of the membrane separation unit M1 is in fluid communication with the first system inlet S100 and optionally also the first outlet W200 of the waste water post-processing unit W1. The present invention also relates to a process for the water treatment of a feed stream 100 comprising an organic component and an aqueous component to form a recovered organic product 200 and a purified waste water 300, preferably using said system.