**4. Summary**

The performer research program prove that *Salix viminalis* is a precious raw material for chemical treatment and it could not be seen only as a fuel for energetic utilization. Its practical value increases regarding that it is easily accessible as agriculture product. It grows fast with a good yield. *Salix viminalis* cultivation has a positive influence on the environment since their high mass productivity per hectare is definitely associated with CO2 absorption from the atmosphere. The proposed elaboration method is nearly complete since all major products of the wood thermolysis i. e. solid (active carbon of CMS properties) and liquid (biooil containing antioxidants) may find a wide application in practice.
