With the rapid development of wind power industry

the number of wasted wind turbine blades increased significantly year by year

which brings great environment pressure. Against this problem

the influence of atmosphere on the generation characteristics of gas

liquid and solid products of wasted wind turbine blades during thermal treatment at different temperatures was studied

to provide reference for thermal recovery strategies. The results showed that

in N_2 and CO_2 atmospheres

the production of combustible CH_4 reached the highest at 800 ℃

that of CO increased with temperature. Tar products in each atmosphere mainly consisted of p-isopropenyl phenol

p-isopropyl phenol and bisphenol A. Moreover

it was found in the experiment that

at high temperature

CO_2 in the atmosphere effectively prevented the formation of polycyclic aromatic hydrocarbons(PAHs) in tar

which is helpful to subsequent treatment of tar. It is also found that

the coke yield in air and CO_2 atmosphere was higher than that in N_2 atmosphere

however

at higher temperatures(600 ℃ and above)

the results were opposite. This may be due to different carbonization levels in different atmospheres at low temperatures.