The Scientific Committee is pleased to announce that the International Conference “Industrial waste and wastewater treatment and valorization” will be held at the President Hotel in Athens, Greece from 21st to 23rd May, 2015. The conference participants will have the opportunity to exchange knowledge, views and ideas on the treatment and valorization of different industrial waste streams. The conference will include oral and poster presentation sessions. Authors wishing to submit a paper should send an Abstract to the Scientific Secretariat by 20th January 2015. The abstracts should be between 300-500 words in English. The conference will include invited and reviewed papers on the topics listed below.