Journal
BIORESOURCE TECHNOLOGY
Volume 264, Issue -, Pages 1-6Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.03.062
Keywords
Kraft lignin; Liquid product distribution; H-2 selectivity; Fe
Funding
- State Key Program of Natural Science Foundation of China, China [21436007]
- Natural Science Foundation of China, China [21277091, 51472159]
- Key Basic Research Projects of Science and Technology Commission of Shanghai [14JC1403100]
- Postdoctoral Science Foundation of China [2016 M601601]
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Catalytic depolymerization of kraft lignin was successfully carried out in isopropanol/water mixture system over Rh/La2O3/CeO2-ZrO2 catalyst at 373 degrees C for 2 h with Fe as reductant. The selectivity of in-situ H-2 was increasing from 67 wt% to 98 wt% by changing the proportion of isopropanol and water with metal Fe. A one-to-one correspondence was established between liquid products distribution and H-2. It was an efficient method for predicting the composition of the liquid oil by H-2 selectivity detection or converting kraft lignin to desirable liquid products optionally, which administered to reduce the dependence on the specific catalysts. Other temperatures and catalysts were a viable option for the relationship.
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