Use of Green Chemistry for Amputation of Chromium Ions from Wastewater by Alkali-Treated Composts of Fruit Peels in Economical Way

Table 2

Percentage (%) of carbon, hydrogen, and nitrogen content in sorbent materials.

Sorbent	C	H	N
Lemon peel (LP)	33.35–36.56	5.29–7.34	1.25–3.36
Melon peel (MP)	28.89–30.33	4.47–6.25	1.23–2.49
Water melon peel (WMP)	26.13–29.09	7.11–7.92	2.56–4.32
Mango peel (MnP)	36.10–38.34	3.31–5.43	1.24–3.34