Briefly, to a solution of EmimOAc (60 g) and NMP (140 g) preheated in an oil bath at 140°C was added corn stover sample (20 g). The suspension was held at the same temperature with stirring for 1 h, until a viscous black yellow solution formed. The solution was cooled down to...
Hale et al. (2012) found that producing biochar at higher temperatures—between 500 and 600 °C—may lead to obtaining biochar with a lower concentration of PCDD/Fs. Lyu et al. (2016), by evaluating the effect of temperature on biochar toxicity, confirmed that biochars produced at higher py...