Table 1. Dye-contaminated wastewater treatment by BN and its derivatives^a.

S/N	BN structure	Dye	Dye type	Adsorbent dosage (mg L−1)	pH	Dye conc. (mg L−1)	Max. adsorption capacity (mg g−1)	Isotherm model	Kinetics	Ref.
1	h-BN	SF	A	400	—	75	∼58 to ∼105	Langmuir	PSO	14
2	h-BN	CR	A	500	2	100	620.58 ± 32.07	Langmuir	PSO	This work
3	h-BN	RhB	C	400	—	100	∼140 to 208	Langmuir	PSO	14
4	h-BN	MB	C	400	—	50–200	∼230	—	—	15
5	h-BN	NR	C	500	11	100	559.38 ± 25.78	Langmuir	PSO	This work
6	BNNS	MO	A	400		110	∼575	Freundlich	PSO	31
7	BNNS	RhB	C	250	6.6	5–80	∼76	Langmuir	—	18
8	BNNS	RhB	C	400	8	108	∼313	Langmuir	PSO	6
9	BNNS	MB	C	400	8	108	∼333	Langmuir	PSO	6
10	BNNS	MB	C	1000	—	5–30	∼18	Langmuir	PSO	17
11	BNNS	IB	C	1000	—	5–30	∼18	Langmuir	PSO	17
12	BCN	NR	C	∼90	—	220	∼1350	Langmuir	PSO	7
13	BCN	MaG	C	∼90	—	120	∼1041	Langmuir	PSO	7
14	BCN	MB	C	—	—	136.4	∼1220	Langmuir	—	20
15	BCN	BY	C	—	—	101.4	∼560	Langmuir	—	20
16	Porous boron carbide	MB	C	2000	—	10 to 50	∼189	Langmuir	PSO	16
17	Ag-BN	RhB	C	200	—	100–300	∼880	Langmuir	PSO	13
18	Cu-BN	RhB	C	200	—	—	∼743	Langmuir	PSO	11
19	Porous BN	CR	A	400	—	150	∼1096 (theo.)	Langmuir	PSO	19
20	Porous BN	MG	C	400	—	170	∼1203	Langmuir	PSO	19
21	BN fiber	MB	C	240	8	25	∼392	Langmuir	—	8
22	h-BN whisker	RhB	C	30	—	3	∼210	Langmuir	—	9
23	h-BN whisker	MB	C	20	—	60	∼13 973	Langmuir	—	9
24	3D C-BN	CR	A	500	6	50	∼307	Langmuir	—	12
25	3D C-BN	MB	C	500	6	50	∼408	Langmuir	—	12
26	3D BN architecture	BY	C	400	—	90	∼424	Langmuir	—	10
27	3D BN architecture	CR	A	400	—	110	∼717	Langmuir	—	10

^aBN Structure: h-BN = hexagonal Boron Nitride, BNNS = BN Nanosheet, BCN = BN Carbon Nitride; Dye: SY = Sunset Yellow FCF, CR = Congo Red, RhB = Rhodamine B, MB = Methylene Blue, NR = Neutral Red, MO = Methyl Orange, IB = Indigo Blue, MaG = Malachite Green, BY = Basic Yellow-1, MG = Methyl Green; Dye Type: A = Anionic, C = Cationic; Kinetics: PSO = Pesudo-2nd-Order.