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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...
During the production of LNG, explosion hazards may occur in the top of the distillation column in the low-temperature liquefaction of oxygen-bearing coal-bed methane. Because of the lack of flammability limits at low temperatures, in this study, an experimental setup was built to measure the flammability limits of methane/air mixtures at a wide temperature range from 123K to 273K and pressure range...
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...
Diesel from direct coal liquefaction (DDCL) is a product obtained from direct coal liquefaction (DCL). Compared with petrodiesel, DDCL contains almost no sulfur element. Other than this feature, several other properties of DDCL are similar to those of petrodiesel. Therefore, DDCL is applicable to automobile diesel fuel. However, the cetane number (CN) of DDCL is only 44. In this article, fatty acid...
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