二惡英
The ash melting process is a key process for dioxins zero emission. 其中，灰渣的熔融處理是限制二惡英零排放的重要步驟。
In many cases the simultaneous removal of NOx and dioxins is obtained with one single Shell System. 在諸多案例中，單個(gè)殼牌系統(tǒng)同時(shí)去除氮氧化物和二惡英。
