| 20100152478 | METHOD OF PROCESSING TALL OIL - A method of processing wood oil which is generated during pulping. In the method, low molecular weight carboxyl acid that is approximately 0.5-5.0% of the wood oil quantity (weight) is added to that wood oil early in its separation stage, in order to esterify the alcohol groups present in the wood oil, by the said acid. The protective esterification according to the present invention prevents the esterification of the alcohol groups by the fatty acids naturally present in the wood oil. | 06-17-2010 |
