Separation and recovery of alkali lignin and NaOH based on size exclusion methodology
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DOI: 10.1016/j.seppur.2020.117852
Abstract: Abstract Alkali lignin and NaOH are two main components in the black liquors from alkaline pulp. Adding sulfuric acid directly to precipitate lignin results in high consumption of acid as well as production of waste… read more here.
Keywords: methodology; alkali lignin; lignin naoh; separation ... See more keywords