| 摘要 |
PURPOSE:To effectively utilize waste fish oil and to obtain a low-cost improved fertilizer having high utility value by mixing the fish oil with a specified strong alkali agent and a specified deodorant. CONSTITUTION:Fish oil such as sardine oil is mixed with a calcium oxide-based strong alkali agent preferably obtd. by calcining a Ca-contg. natural substance such as shells, bones or limestone at a high temp. and a deodorant preferably obtd. by mixing carbon black with a calcium oxide-based strong alkali agent and stirring the mixture in the presence of some water. |
