The current research included treating wastewater with sustainable nanotechnology to remove some trace elements (arsenic, copper, baron, lead, and chromium) by using a nanomaterial extracted from potato plant waste in a sustainable, green, environmentally friendly way, with two different additions, the first adding 0.5 grams and the second adding 1 gram of nanocellulose. For two different periods (6 hours and 12 hours) for both quantities of nanocellulose. The results showed that nanocellulose has a great ability to remove the studied elements from wastewater after comparing their original concentrations that were in the water before treatment with nanocellulose. The results showed that increasing the amount of nanocellulose and increasing the time led to an increase in the removal rate, and this was clear from the results of the statistical analysis, which showed the presence of a positive significant correlation between the rate of removal of trace elements from waste water with increasing the amount of nanocellulose and increasing the time. When comparing the removal rates of the studied elements from wastewater with the PH values, it was found that the pH is the control of these rates, as the highest removal rates were at the neutral or close to acidic level, the pH between 5.5 and 7.5, and when the pH tends towards basicity (8 - 9.5) The removal rate decreased. The results also showed that the removal rate varies between the elements and this depends on the concentration of the element present in the water, its chemical composition, and the degree of its binding to the substance used for treatment.