Fig. 2.
Product distribution with increasing temperature in catalytic co-pyrolysis of black-liquor lignin and PE: (a) the yield of petrochemicals (aromatics + olefins), aromatics and olefins; (b) the yields of CO, CO2, CH4, char and coke; (c) the selectivities of benzene, toluene, xylene, other mono-aromatics and naphthalene and its derivatives; (d) the selectivities of ethylene, propylene and butene.