Hot gas purification
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United States of America Patent
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Aug 20, 2013
Grant Date -
Jul 21, 2011
app pub date -
Sep 9, 2009
filing date -
Sep 30, 2008
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Abstract
With a method and a system for treatment of a hot crude gas generated by an entrained flow gasification system, removal of the compounds that contain sulfur and carbon is supposed to be undertaken in such a manner that hot gas is made available for further use. This is achieved in that a desulfurization (7) follows the gasifier (2), in series, in the flow path of the hot gas, followed by a solid separation (8, 9), whereby behind the solid separation (8, 9), a partial stream (13) of the gas is provided downstream by way of a water quench (14), a Venturi scrubber (15), a crude gas cooler (16), as well as an H2O separation (17) and a compressor (18), the flow path (19) of which is passed back, cooled, into the circuit, behind the gasification (2) and ahead of the desulfurization system.
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