| 摘要 |
PURPOSE: A manufacturing method of loess-mixed saw dust charcoal is provided to produce much sterilized saw dust compared with a conventional saw dust by burning at high temperature of more than 1000deg.C. The resultant saw dust is widely used to the underlays for fish and tent, growth of organic crops and pot soil, etc. CONSTITUTION: The loess-mixed saw dust charcoal is manufacture by the following steps: mixing rice hull, loess and mineral stone(macbanseok) with saw dust; fermenting it for 2-3days; adding flour; burning at 1000deg.C or higher. |
