METHOD FOR MAKING A LIGNIN COMPONENT, A LIGNIN COMPONENT AND ITS USE AND A PRODUCT
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United States of America Patent
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Oct 25, 2018
app pub date -
Jun 27, 2018
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Jun 27, 2018
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The invention relates to a method for making a lignin component from lignin material by an acid treatment, the method comprising: forming a lignin component of lignin material by treating the lignin material by means of an acid composition in at least one acid treatment stage, and the lignin component is washed and neutralized by a pH-buffer during a filtration after the acid treatment, and pH in pH-buffer is between 4-10. Further, the invention relates to a corresponding lignin component.
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