ZwitterCo

Fouling is the downfall of traditional membrane-based wastewater filtration, as cont­a­m­i­nants rapidly choke off water flow. ZwitterCo builds its membranes from zwit­te­ri­onic polymers that repel the fats, oils, and greases found in wastewater even as waste accumulates on a gross scale. Gentle chemicals restore ZwitterCo’s membranes to as-new condition over and over. That makes membrane filtration a viable option for wastewater reuse, especially at phar­ma­ceu­tical plants and other facilities where the waste concen­trates themselves may be valuable.