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Digestate, the residue following of anaerobic digestion, had attracted great attention recently as potential feedstock of pyrolysis. The results of component analysis verified that digestate was suitable for phenol production due to its considerable lignin content. The thermal degradation of lignin in digestate mainly occurred around 350–450 °C in thermogravimetric analysis. The amorphous cellulose...
Catalytic upgrading of raw bio-oil and liquid–liquid extracted bio-oil (high concentrated phenolic with trace acid and acetaldehyde) with methanol over ZSM-5 catalyst had been studied in this work. Temperature played vital function and leaded to increasing gas yield but less catalyst coking. It also changed both chemical distribution and selectivity on both gas and liquid products, with aromatic concentration...
A novel pathway was investigated to produce jet fuel range paraffins (alkanes) and aromatics by catalytic microwave-induced pyrolysis of intact biomass (Douglas fir) integrated with the hydrotreating upgrading process. The proof-of-principle for the consecutive two-step process for converting lignocellulosic biomass into jet fuel range paraffins and aromatics involves the use of the well-promoted...
The microwave-induced pyrolysis of low-density polyethylene (a model of waste plastics) toward its conversion into biofuels was investigated using ZSM-5 as a catalyst, generating significant amounts of gasoline-range hydrocarbons. A central composite experimental design (CCD) was done to investigate the effects of catalytic temperature and reactant to catalyst ratio on the pyrolysis-oils composition...
Ex situ catalytic pyrolysis of biomass through a packed-bed catalysis close coupled with microwave pyrolysis was investigated to convert Douglas fir sawdust pellets to aromatic hydrocarbons by Zn/ZSM-5 catalyst. A comparison test from five different Zn loadings (0, 0.5, 1, 2, 5wt.%) was first conducted, and it was found that the highest amount of aromatic hydrocarbons was produced from 0.5% Zn loaded...
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