Salts of bis - guanylhydrazonium, their process of preparation and their use for the purification of wastewater containing organic compounds of the anionic first

摘要

Bis-guanylhydrazonium and tris-guanylhydrazonium salts are disclosed, which are novel and very effective precipitants of anionic pollutants from sewage waters. Methods of preparation of such compounds and examples of their practical use are also reported.