Pyrolysis is a potential recovery method for waste printed circuit boards (WPCBs), but the organic brominated products are toxic and hazardous. Iron has been used as a catalyst for debromination from pyrolysis oil, but the effects of in-situ iron on WPCBs pyrolysis is still not well understood....

Due to the rapid progress in printed circuit board (PCB) industries, plenty of waste etchants, characterized by the high concentration of copper chloride and hydrochloric acid, are generated continuously, which has placed a heavy burden on the environment and metal resources. Herein, a succinct...