Synthesis and Physicochemical Characterization of Anion Exchanger Based on Green Modified Bottle Gourd Shell

Table 2

Elemental analysis and reaction efficiency of synthesized CALV and CARLVS biosorbents compared to the raw LVS biomass and MLV precursor.

Sample	Elements (%)				Nadd (mmol N·g^−1)	RE (%)	DS	PY (%)
	C	H	O	N
LVS biomass	45.46	5.98	48.55	0.01	—	—	—	—
MLV precursor	45.51	5.84	48.65	0.01	—	—	—	84.4
CARLVS biosorbent	46.17	6.25	46.34	1.23	0.87	4.35	0.17	89.7
CALV biosorbent	47.22	6.12	44.71	1.95	1.39	6.95	0.31	98.8