二恶英
The ash melting process is a key process for dioxins zero emission. 其中，灰渣的熔融处理是限制二恶英零排放的重要步骤。
In many cases the simultaneous removal of NOx and dioxins is obtained with one single Shell System. 在诸多案例中，单个壳牌系统同时去除氮氧化物和二恶英。
