Surface characterization of maize-straw-derived biochars and their sorption performance for MTBE and benzene

Sorption of hydrophobic organic compounds to a diverse suite of carbonaceous materials with emphasis on biochar

“…It should be noted, however, that some of the previous studies did not report an increase in K F values with increasing surface area despite a continual increase in surface area with CM production temperature (Chen and Chen, 2009;Xiao et al, 2014). …”

Characteristics and Potential Values of Bio-Products Derived from Switchgrass Grown in a Saline Soil Using a Fixed-Bed Slow Pyrolysis System

“…However, high temperature pyrolysis (> 300 °C) decreases large pores and increases small pores because of the synergic decomposition effect of hemicellulose, cellulose, and lignin (Tsai et al 2012;Angın 2013;George et al 2014). The pore structure changes in the switchgrass biochars were similar to those in other lignocellulosic biochars (Xiao et al 2014). The biochar produced at 500 °C had a greater number of smaller pores and a larger surface area, which might enhance its performance as soil amendment and improve soil fertility (Alburquerque et al 2014;Liu et al 2016).…”

“…The LHVs of the biogas were 4.04 to 8.66 MJ/Nm 3 , which increased as the pyrolysis temperature increased. Syngas is believed to be derived from the decarboxylation, dehydrogenation, oxidation, and demethoxylation of biomass during pyrolysis (Brebu and Vasile 2010;Xiao et al 2014). The retrogressive reactions of volatile compounds and solid products may also contribute to syngas production Naqvi et al 2014;Volpe et al 2016).…”

“…6541 structure and surface polarity . The amphiphilic nature of biochar enables the adsorption of both nonpolar substances, such as iodine and benzene, and polar substances, such as methylene blue, atrazine, and pentachlorophenol, which shows their potential value in the removal of these pollutants (Xiao et al 2014;Kuppusamy et al 2016). …”

Adsorption of phosphorus onto Fe-modified Thalia dealbataderived biochar

“…Biochar is an amorphous, stable, heterogeneous material by pyrolyzed biomass under oxygen deficient condition, to be used as an eco-friendly adsorbent like activated carbon [3,4] . Some researchers have illustrated that biochar showed well performance on adsorption of cations or organic matters, but limited adsorption capacity of anionic (like phosphate) [5,6] .…”