| 摘要 |
PURPOSE:To purify the exhaust gas from the automobile, incinerator, etc. CONSTITUTION:A hollow box 1 is divided into a purification chamber 3 and an exhaust chamber 4. Mountain sand, river sand, sea sand freed from salts, farm soil, etc., are filled in the purification chamber 3, and a cavity 11 is provided in the soil bed 10. An exhaust gas is introduced into the cavity 11, diffused through the soil bed 10, sent into the exhaust chamber 4 and then discharged into the atmosphere from the outlet 6 of the box 1. |
