| 摘要 |
<p>The invention relates to a method for enhancing the cooking step in a tall oil preparation process comprising:a neutralization step in which soap is neutralied to form soap oil, anda cooking step in which soap oil is cooked with sulphuric acid to form tall oil,the soap oil obtained in the neutralization step being subjected to an intermediate treatment before the cooking step, the intermediate treatment comprising heating of the soap oil to release gases dissolved in and bound to the soap oil.The invention also relates to a method for preparing tall oil comprising the steps mentioned above.</p> |
