Lignin production from lignocellulosic biomass

摘要

Methods are disclosed for preparing lignin from lignocellulosic biomass using rapid full or partial pressure reduction to separate and pulverize the lignin without fouling the equipment and with improved energy recovery.

主权项

1. A composition comprising,
lignin; wherein said composition has an ash content of less than about 0.5 wt. %; wherein said ash comprises at least about 18 wt. % Ca as CaO; and wherein said ash comprises at least about 22 wt. % Fe as Fe2O3.