These three materials are mixed together in the reactor. Whatever fails to blend in is emitted in the form of pollution and accumulates on the walls of the reactor, increasing clean-up costs.
這三種原料在反應爐中攪拌融合，沒有融合的，就會溢出而成為汙染源，也會在反應爐壁上結垢，增加處理成本。