Chemical additives for oxidation of anaerobic sediments in the nature of chemicals and biological oxidants, chemicals for binding of sulphide and phosphorus in sediment and water bodies, chemical for preventing anaerobic conditions in sediments over a long time and thus restoring the natural ability of sediments to bind phosphorus, chemical suited to avoid bloom of blue green algae, especially calcium nitrate solutions for use in drainage, sludge and sewage systems as well as polluted soils a...