| abstract |
(57) [Summary]nIn a method for producing phenols, aldehydes, esters and / or ketones using lignin and / or ligninsulfonic acid, a raw material containing lignin or ligninsulfonic acid is heated to distill a desired substance from the raw material. Dispensing, while producing a valuable product from the solid component of this raw material under the action of heat, thereby promoting the production of the desired substance and being specific for the production of a valuable substance from the solid component of the raw material. However, it is characterized by observing the limit conditions which do not cause harm. |