| 摘要 |
PROBLEM TO BE SOLVED: To produce a product useful for environmental cleaning at the minimum cost using industrial waste which is produced abundantly. SOLUTION: Drying is performed in a fermentation tank (Fig.1) and the fermentation tank shown in Fig.1, i.e., a combustion tank, is housed in a charcoal-making furnace (Fig.4). A pyroligneous acid is extracted from waste gas of the furnace. |
