Investigation of co-pyrolysis mechanism of oil shale and rubber seed shell, product yield and optimization of pyrolysis parameter using response surface methodology

[Display omitted] •Apparent activation energy values ranged from 200 to 365 kJ/mol.•RSM optimization showed optimum oil yield at 550 °C, 5 °C/min and 1:1 blending ratio.•Increase in oil shale ratio in the blend increases the aliphatic content in pyrolytic oil.•Oil shale inhibits production of –OH co...

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