Working Group-4 of COST Action 20133 (FULLRECO4US) is delighted to invite you to attend the Water & Nutrient Recovery Training School that will be held between 01-03 October 2023. The training school will be held at Kolektif House-Maslak in Istanbul-Turkey. This training school will be targeting PhD students and early career researchers to train them on topics related to separation technologies for water and nutrient recovery from wastewater. The event will be organized in hybrid mode (in person and online).