| The coralligenous is found on rock faces or on rocks where calcareous algae can form biogenous constructions. |
| In the steel industry, for example, cast covering materials are used, which are produced using biogenous silica. This is a renewable raw material. |
| Greater or lesser biogenous constructions on rock faces or as clumps on the bed. |
| The term biogenous silica, being called rice husk ash, too, points at the origin of the product. |
| Microorganisms will not detect a source of oxygen or other biogenous elements. |
| In the fully-automatic, electrically-controlled pelletizing system with a filling level sensor, any biogenous recyclable materials are pressed to pellets and therefore prepared for efficient further use. |
