Optimization of dilute acid hydrolysis of Enteromorpha

Dawei Feng; Haiyan Liu; Fuchao Li; Peng Jiang; Song Qin

doi:10.1007/s00343-011-0298-x

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Optimization of dilute acid hydrolysis of Enteromorpha

Updated：2023-05-16

- Optimization of dilute acid hydrolysis of Enteromorpha
- Journal of Oceanology and Limnology Vol. 29, Issue 6, Pages: 1243-1248(2011)
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Graduate University of Chinese Academy of Sciences
  3. Yantai Institute of Coastal Zone Research Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-011-0298-x
  CLC：
- Online First：25 October 2011，
  
  Published：2011
- Accepted：
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Feng, D., Liu, H., Li, F. et al. Optimization of dilute acid hydrolysis of Enteromorpha, ., Chin. J. Ocean. Limnol. 29, 1243–1248 (2011). https://doi.org/10.1007/s00343-011-0298-x
DOI：

Feng, D., Liu, H., Li, F. et al. Optimization of dilute acid hydrolysis of Enteromorpha, ., Chin. J. Ocean. Limnol. 29, 1243–1248 (2011). https://doi.org/10.1007/s00343-011-0298-x DOI：

摘要

Abstract

Acid hydrolysis is a simple and direct way to hydrolyze polysaccharides in biomass into fermentable sugars. To produce fermentable sugars effectively and economically for fuel ethanol

we have investigated the hydrolysis of Enteromorpha using acids that are typically used to hydrolyze biomass: H2SO4

HCl

H3PO4 and C4H4O4 (maleic acid). 5%(w/w) Enteromorpha biomass was treated for different times (30

and 90 min) and with different acid concentrations (0.6

1.0

1.4

1.8

and 2.2%

w/w) at 121°C. H2SO4 was the most effective acid in this experiment. We then analyzed the hydrolysis process in H2SO4 in detail using high performance liquid chromatography. At a sulfuric acid concentration of 1.8% and treatment time of 60 min

the yield of ethanol fermentable sugars (glucose and xylose) was high

(230.5 mg/g dry biomass

comprising 175.2 mg/g glucose and 55.3 mg/g xylose)

with 48.6% of total reducing sugars being ethanol fermentable. Therefore

Enteromorpha could be a good candidate for production of fuel ethanol. In future work

the effects of temperature and biomass concentration on hydrolysis

and also the fermentation of the hydrolysates to ethanol fuel should be focused on.

关键词

Keywords

references

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