Customize selection of hydrocarbon dewpoint control technology

A. A. Lodhi, Zishan Engineers Pvt. Ltd.

The purpose of a hydrocarbon dewpoint control unit is to remove hydrocarbon liquids (NGL) from natural gas so that the hydrocarbon dewpoint specifications of the sales gas (local requirement is 0°C at any pressure) can be met. A challenge for plant designers is to choose the most suitable technology for hydrocarbon dewpoint control. The technology must be technically and economically capable of continuous, trouble-free operation, with optimum outcome. It must have the flexibility to adjust the water and hydrocarbon dewpoints of the sales gas to the required pipeline specification on maximum and turndown conditions without affecting the performance of the plant, even in the worst-case scenari


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