Abstract: A granulate that consists of broken pieces of a sintered body that is sintered from crushed blow-molded glass has a number of inclusions of at least one active substance on the broken surfaces of granulate. This active substance is embedded as a grain in sintered body. Upon contact with toxins, in particular with toxins that are suspended or dissolved in water, this active substance can interact with these toxins. Such a granulate can be produced very readily relative to active substance, compressive strength, specific weight, grain size, etc., and can be used correspondingly in a versatile manner. Despite arsenic- or antimony-containing starting substances, it can be used, for example, in the form of foam glass broken pieces as a construction material in environmentally-sensitive areas. It can be used, e.g., in the form of expanded or unexpanded sintered bodies in water purification.

Abstract: Through the use of crushed foam glass derived from old glass or blast-furnace slag by way of aggregate for a casting compound which is bound with a binder, a building material was obtained that enables very wide-ranging applications.