Impact of microalgae layer thickness on the treatment performance of drain water

The water scarcity problem in Egypt is widely increasing due to the increasing population, increasing standard of living, urban, and industrial activities. This led to an increase in the gap between water demand and available water resources. Therefore, the need for non-conventional water resources appeared¹. Conventional water resources such as the Nile River, Groundwater, and Rain precipitation while unconventional water resources as using treated municipal and agricultural drainage water, desalination, and groundwater in the delta region. Conventional water resources such as the Nile…