Invention Application
US20160069262A1 PRODUCTION OF LOW PRESSURE LIQUID CARBON DIOXIDE FROM A POWER PRODUCTION SYSTEM AND METHOD 审中-公开
从动力生产系统和方法生产低压液体二氧化碳

PRODUCTION OF LOW PRESSURE LIQUID CARBON DIOXIDE FROM A POWER PRODUCTION SYSTEM AND METHOD
Abstract:
The present disclosure relates to systems and methods that provide a low pressure liquid CO2 stream. In particular, the present disclosure provides systems and methods wherein a high pressure CO2 stream, such as a recycle CO2 stream from a power production process using predominately CO2 as a working fluid, can be divided such that a portion thereof can be expanded and used as a cooling stream in a heat exchanger to cool the remaining portion of the high pressure CO2 stream, which can then be expanded to form a low pressure CO2 stream, which may be in a mixed form with CO2 vapor. The systems and methods can be utilized to provide net CO2 from combustion in a liquid form that is easily transportable.
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