METHOD AND APPARATUS FOR PRODUCING BLACK DYE PIGMENT
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Feb 13, 2012
filing date -
Feb 16, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method and an apparatus for producing the raw material (46) used in producing black dye pigment. The invention further relates to a raw material (46) for producing black dye pigment as well as to the use of ash (20,24,26) separated from the raw synthetic gas (12, 14, 18) in the purification of the raw synthetic gas (12, 14, 18) generated in the gasification of a biomass (2, 4, 6) for producing black dye pigment.
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