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Updated: May 21, 2026
Pretreatment of Lignocellulosic Biomass with Low-cost Ionic Liquids
Published on: August 10, 2016
Ionic liquids-based hydrolysis of Chlorella biomass for fermentable sugars
Na Zhou1, Yimin Zhang, Xiaowu Gong
1Key Laboratory of Systems Microbial Biotechnology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, China.
Abstract:
An ionic liquids-based chemical hydrolysis strategy was developed to obtain high-yielding soluble sugars from Chlorella biomass. Initial ionic liquids dissolution and subsequently HCl catalyzed hydrolysis could dissolve 75.34% of Chlorella biomass and release 88.02% of total sugars from Chlorella biomass. The amount of HCl loading was 7 wt.% relative to Chlorella biomass weight, which was much lower (only 14.6%) than that in HCl/MgCl(2)-catalyzed system with similar sugars release (Zhou et al., 2011). Ionic liquids in the hydrolysates were recycled and fermentable sugars were evaluated by converting to bioethanol after separated by ion-exclusion chromatography. This ionic liquids-based hydrolysis strategy showed the great potential to produce fermentable sugars from algal biomass.
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