The wastewater will be treated by ozone, biological filters, ultraviolet disinfection, and chlorine.
en.wikipedia.org Ideal filter medium optimizes surface area for microbial attachment, wastewater retention time, allows air flow, resists plugging and does not degrade.
en.wikipedia.org For example, when household bleach and wastewater were mixed, 1-2% of the available chlorine was observed to form organic compounds.
en.wikipedia.org Utilization of wastewater as a potential substrate for biohydrogen production has been drawing considerable interest in recent years especially in the dark fermentation process.
en.wikipedia.org Wastes that can cause health problems include human and animal feces, solid wastes, domestic wastewater (sewage, sullage, greywater), industrial wastes and agricultural wastes.
en.wikipedia.org