shell degrades mostly cellulosic portion, therefore, two prominent
peaks (21.98, 26.42) were smeared and appeared as one broad
peak (Fig. 8A). Peak shift and appearance of some new peaks (2u) in
the amorphous region 40–65 were also observed. The diffraction
patterns of coconut shell char exhibit four prominent peaks at
26.1, 35.2, 56.6 and 62.3.