The prof. assist. Laila Alwan participated in the third scientific conference on environment and sustainable development held for two days, 15-16 / 11/2017 at the University of Technology. She  published a research entitled (Quarterly Changes of Residual Aluminum Concentration in Drinking Water). The study included a study of (6) projects related with filtering the water in Baghdad by using  the concentration of aluminum which is used as compounds for purification purposes. Among the results were different relationships related to increased concentration related to ph and high temperatures. The emphasis was on aluminum because of its health effects affecting the nervous system, which causes Alzheimer's or Parkinson's paralysis if it exceeds the upper limits within the body. The prof. assist. Laila Alwan received a certificate of appreciation for her efforts and outstanding contribution to the conference.