Table 2.

Characterization of ion exchange resin.

No	Sorbent name	Matrix composition	Basicity	Functional group	Bulk density, g/ml	Specific volume, ml/g	Dynamic exchange capacity, mol/m3, no less	Maximum temperature (t°max), °C	References
1	Сation exchange resin KU-2-8	Styrene-divinylbenzene	Strong-acid cation-exchange resin	Sulphonic-acid groups (–SO3H)	0.75–0.90	2.6–3.0	526	130	–
2	Anion exchange resin АV-17-8	Styrene-divinylbenzene	Strongly basic	Quaternary trimethylammonium groups (–N+(CH3)3	0.74	3.3	700	50	[21]
3	Anion exchange resin АN-31	2.5-methyl-divinylpyridine, divinylbenzene	Weakly basic	Secondary and tertiary aliphatic amino groups =NH; ≡N	0.60	3.2	1280	100	[23]
4	Anion exchange resin EDE-10P	Polyethylene polyamines, epichlorhydrines	Weakly basic	Secondary and tertiaryamino groups of the aliphatic series and about 20% of the groups of quaternary ammonium bases =NH; ≡N; –N+(R)3	0.60–0.72	28.0–35.0	1000	60	[22, 23],
5	DiaionWA 30	Styrene-divinylbenzene	Weakly basic	Quaternary trimethylammonium groups (–N+(CH3)3	0.635	–	1500	100	[24],
6	Diaion CRB 02	Styrene-divinylbenzene	Free base	N-MethylGlucamine	0.7	–	–	100	[3, 5, 6]
7	Purolite S 108	Styrene-divinylbenzene	Free base	N-MethylGlucamine	0.67–0.73	–	600	60	[3]
8	Dowex 2 × 8	Styrene-divinylbenzene	Stronglybasic	N-MethylGlucamine	0.7	–	1200	80	[8]
9	Amberlite IRA 743	Styrene-divinylbenzene	Weakly basic	N-MethylGlucamine	0.7	–	700	75	[1]