Abstract: This invention relates to wastewater treatment, process and preferred systems for practice of the process for the removal of organic and inorganic ingredients contaminating wastewater, thereby to allow the reuse or sewer discharge of water used in various manufacturing and other processes. The process of the invention typically involves initial filtration of the wastewater and contact with a paste mixture consisting of magnesium hydroxide, aluminum hydroxide, calcium carbonate, magnesium orthophosphate, ferric sulfate, sodium hydrocarbonate, and activated carbon, the activated carbon removing organics such as dyes and the like while the paste mixture precipitates inorganics for subsequent mechanical removal. After treatment with the paste mixture, precipitating compounds are added to precipitate other inorganics. Flocculating agents are then added for further clarification purposes. Material removal then occurs by mechanical extraction including filtration, settling and the like.