PROCEDE POUR LA PURIFICATION DES EAUX RESIDUAIRES CONTENANT DES COMPOSES ORGANIQUES DE CARACTERE ANIONIQUE

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.