... painting production line, aluminium coil painting line,waste gas environmental production furnace, metal packaging coating curing ... are benzene, toluene, xylene etc), the heat value of aromatic solvent is higher (e.g. ... 9800kcall/kg), which is equivalent to the heat value of usual fuel oil and fuel gas ... oxidized and burnt at lower temperature and release heat, and finally form harmless CO2 and H2O, ...