The aim is to study the mechanisms and to reveale the regularities of forming solid phase in the solutions and to apply them for solution of the nature-protection problems connected with content of the harmful additions in the deposits, reduction of the forming deposits volumes and decrease of the water consumption for their washing. The new phenomena and effects have been discovered, and on their base the methodology of solving nature-protection problems has been developed. Application field: chemical productions, water-and-sewage stations.Available from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio