Abstract
A mixture of industrial rejects containing textile and chemical wastes were co-liquefied using industrial wastewater at different mixture compositions and temperatures to produce bio-crude. The bio-crude yield from a 75:25 w/w textile:chemical waste was 64.5 wt.% at 325 °C and 30 min, and it was further distilled in 150–350 °C range for diesel blending. The distillate was rich in C13–C24 aliphatic hydrocarbons with H/C mole ratio of 1.86. The bio-crude-diesel blends were tested for their compatibility and efficiency in diesel engines, thus presenting an end-to-end approach from wastes to diesel-range fuels. The blends exhibited similar properties to that of commercial diesel. The 5 vol.% blend of the distillate with commercial diesel exhibited performance and emission characteristics similar to diesel when used in an internal combustion engine. The hydrochars exhibited calorific values between 14 and 32 MJ kg−1, and the aqueous phase contained Na+, K+, Ca2+, Cl–, and SO42– ions.
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