| 摘要 |
<p>The invention relates to a method for the purification of exhaust gas in a composting process and for heat recovery, in which method the exhaust gas is led to a two-stage washing process, in the first part (3) of which the heat of the exhaust gas is recovered from the circulating wash water of the first part, in which case the condensing excess water is brought into this circulating wash water, and can be easily removed from the process. In the second part (4), the anhydrous ammonia is bound by reducing the pH level of the circulating water of the second part to the level 1 - 3, in which case the anhydrous ammonia is bound to this second circulating wash water. <IMAGE></p> |
