In contrast, the defined process eliminates the use of oxidants salts such as permanganate, nitrate, or dichromate (cero vs. seven parts on average per part of graphite, see the average value in Table 1), the proportion of concentrated acids (four vs. almost thirty-eight parts in average) ...
The biochar was then graphitized at 900–1100 °C in an inert argon gas at 15 psi using a metal nitrate catalyst. Three catalysts were used, which were iron [Fe(NO3)2], cobalt [Co(NO3)2] and manganese nitrates [Mn(NO3)2]. It was proven that both the heating temperature and type ...
The increasing production of electronic waste and the rising demand for renewable energy are currently subjects of debate. Sustainable processes based on a circular economy are required. Then, electronic devices could be the main source for the synthesis