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The nano-hybrid pour point depressants (PPDs) was prepared by organically modified nano-clay covering in polymeric PPDs, namely, polymethyl acrylate (PMA), ethylene vinyl acetate copolymer and poly-α-olefin. The effects of nano-hybrid PPDs on the cold flow properties of diesel fuel were evaluated. The crystal morphology and crystallization behavior of the diesel fuels in low-temperature were also...
Improving the flow ability at a low temperature is vital for the utilization and popularization of biodiesel. The cold flow properties of waste cooking oil biodiesel–0# diesel blends with poly-alpha-olefin (PAO) pour point depressants were studied. Here results showed that B20 (20vol.% biodiesel-80vol.% diesel) treated with 400ppm PAO exhibited the best depression in cloud point, cold filter plugging...
This study aims to reduce the cloud point (CP), cold filter plugging point (CFPP) and pour point (PP) of biodiesel from waste cooking oil (BWCO) by ternary complementary blending 0# petro-diesel (PD) and diesel from direct coal liquefaction (DDCL) with BWCO. The cold flow properties of BWCO–PD–DDCL ternary blends, and BWCO–PD, BWCO–DDCL binary blends were comparative evaluated. Ternary phase diagrams...
In the present study, catalytic fast co-pyrolysis of biomass and polyethylene (PE) was studied in a tandem micro-pyrolyzer using HZSM-5 as the catalyst. Cellulose, xylan and milled wood lignin were co-pyrolyzed with PE in both the presence and absence of catalyst to investigate the interaction between biomass and PE during thermal depolymerization and the following catalytic upgrade of the pyrolysis...
Co-pyrolysis of red oak and high density polyethylene (HDPE) was conducted in a laboratory-scale, continuous fluidized bed reactor in a temperature range from 525 to 675°C. Pyrolysis products, including two fractions of pyrolysis-oil, non-condensable gases and char were analyzed to assess the influence of pyrolysis temperature and co-feeding of biomass with HDPE. It was found that increasing pyrolysis...
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