The industrial revolution and population explosion of the 19th and 20th centuries causes a gradual depletion of natural resources and the increasing volume of waste produced all kinds, many of which are actually valuable secondary raw materials. The recycling of materials (and energy) is not sufficient, the introduction of waste-free management is unpopular. The course covers comprehensive knowledge of production and the characteristics of the most important, especially large volume produced, inorganic secondary raw materials with emphasis on their industrial use.