工業製程產品於製造過程中所使用的化學物質種類繁多，且通常會產生酸性、鹼性、有機性及一般廢氣。利用洗滌塔中之填充物、噴霧器、除霧器、循環水系統及加藥系統等核心元件將上述廢氣處理成為一般氣體並透過管路排放至大氣中。

The scrubber systems are a diverse group of air pollution control devices constructed by spray nozzles, aspirators, demister, dosing system and fillers and are mainly used to remove certain particular acid/alkaline/organic gases from industrial exhaust systems specifically installed in electronic factories.