Description: Liquid waste refers to waste in liquid form that originates from various human, industrial, and agricultural activities. These wastes can include wastewater, chemicals, oils, and other liquids that, if not properly managed, can cause significant environmental impacts. Proper management of liquid waste is crucial for sustainability, as specialized treatment helps minimize water, soil, and air pollution. Additionally, the classification and treatment of these wastes are essential to protect public health and preserve ecosystems. Technology plays a fundamental role in liquid waste treatment, employing processes such as filtration, sedimentation, and bioremediation to convert these wastes into reusable resources or, at least, into less harmful substances. The growing concern for the environment has led to an increase in research and development of innovative technologies for liquid waste treatment, promoting more sustainable practices in various sectors of industry and everyday life.