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In 2005, Project on “Plant for ethane and NGL recovery from natural gas” with a capacity of 3.0 billion m3/year for LLC Orenburggazprom, aimed at reconstruction of the operating plant, was completed.
After reconstruction, the plant produces the following market products (per year) ethane fraction - 169 - 193 thousand tons.
The plant enables to increase ethane production volume at Helium plant due to application of modern technologies. The recovery rates of target products are as follows: ethane – 94% and NGL up to 99.5%.
The gas processing technology is based on application of the following methods:
The external cooling cycle is used only at ethane fraction production stage.
In accordance with the adopted processing technology, the production facility includes the following process units:
The major part of the equipment is manufactured at Russian factories. The share of imported equipment is about 10%.