| 2. | The traditional natural gas dehydration technologies have many advantages , such as good dehydration performance , very low dew point , etc , but there are also many disadvantages such as huge facilities , large investment , complex mechanical work and potential environmental pollution 所以常规方法在一定程度上都得到了广泛的应用。但这些常规方法也存在许多缺点,如设备庞大、投资高、能耗大,还会造成一定的环境污染等。 |