新型多孔材料吸附分离六氟化硫/氮气研究进展

doi:10.16085/j.issn.1000-6613.2024-0671

摘要/Abstract

摘要：

六氟化硫与氮气的混合气体是电力工业中最重要的新兴绝缘介质之一，从废弃设备和废气中分离回收六氟化硫具有重要意义。吸附法避免了高能耗的相变过程，具有绿色节能的特点，然而六氟化硫与氮气均为惰性的非极性分子，因此开发能够精准辨识六氟化硫的吸附剂极具挑战。目前获得研究的吸附分离材料已经从传统的沸石分子筛发展到以金属有机框架材料为主的新型吸附剂，这些材料具有结构的高度可调性，可以有预期地对其进行设计，从而体现出优异的选择性吸附六氟化硫的能力。本文重点总结了这些材料的结构特点、调控策略、分离性能及其机理，同时指出一些尚存的重要问题，如对扩散传质规律与材料稳定性的研究不足、对材料潜力的评价不够全面等，应当在未来的研究中引起重视。

关键词: 新型多孔材料, 吸附分离, 六氟化硫, 金属有机框架

Abstract:

The mixture of sulfur hexafluoride (SF₆) and nitrogen (N₂) is one of the most important emerging insulating media in the electric power industry, and it is of great significance to separate and recover SF₆ from scrap equipment and waste gas. The adsorption separation is environment-friendly and energy-saving, for the reason that it avoids the phase change process. However, SF₆ and N₂ are both inert nonpolar molecules, making the exploiting of adsorbents that can accurately capture SF₆ very challenging. The currently employed adsorption materials have evolved from traditional zeolites to new types of adsorbents, with metal-organic frameworks as the main type which are highly structurally tunable and can be predictably engineered to exhibit excellent selective adsorption of SF₆. This paper focuses on summarizing the structural characteristics, modulation strategies, separation performance and mechanisms of these materials, and at the same time points out the existing notable problems, including insufficient researches on the kinetic diffusion, mass transfer mechanism and materials stability, incomplete evaluation of the potential of the materials, etc., which should be paid attention to in the future research.

Key words: novel porous materials, adsorption separation, sulfur hexafluoride, metal-organic frameworks

中图分类号:

TQ028

韩沛, 李金键, 柯天, 张治国, 鲍宗必, 任其龙, 杨启炜. 新型多孔材料吸附分离六氟化硫/氮气研究进展[J]. 化工进展, 2025, 44(6): 3592-3617.

HAN Pei, LI Jinjian, KE Tian, ZHANG Zhiguo, BAO Zongbi, REN Qilong, YANG Qiwei. Advances in adsorption separation of sulfur hexafluoride/nitrogen by novel porous materials[J]. Chemical Industry and Engineering Progress, 2025, 44(6): 3592-3617.

图/表 24

图1 Senkovska等进行研究的MOFs晶体结构及对SF6的吸脱附曲线[43]

图2 M-MOF-74（M=Mg, Co, Zn）的框架结构以及在298K下对SF6和N2的吸附等温线[45]

图3 HBU-21的次级单元结构以及拓扑形貌(a)以及DFT模拟的SF6与框架的配体(b)或开放金属位点(c)作用[47]

图4 UiO-66、UiO-66-NH2、UiO-66-Br、UiO-66-Cl、UiO-66-I、UiO-66-NO2与UiO-66-Br2在298K下对SF6的吸附等温线[50]

图5 Ni(pba)2和Ni(3-mpba)2的晶体孔结构（a）；DFT模拟的Ni(pba)2和Ni(3-mpba)2对SF6和N2作用位点示意图（b）；Ni(pba)2（c）和Ni(3-mpba)2（d）在298K下对SF6和N2的吸附等温线；Ni(3-mpba)2在298K下对SF6/N2(10/90)穿透曲线（e）[51]

图6 随着甲基官能团的增加，Zn(BDC)(DABCO)0.5、Zn(DMBDC)(DABCO)0.5和Zn(TMBDC)(DABCO)0.5的形貌结构（a）；GCMC模拟的SF6与Zn(BDC)(DABCO)0.5（b）、Zn(DMBDC)(DABCO)0.5（c）和Zn(TMBDC)(DABCO)0.5（d）的相互作用[52]

图7 CAU-10-H与CAU-10-Py的晶体结构（a）；CAU-10-H（b）与CAU-10-Py（c）在298K、10kPa下对SF6的动力学吸附曲线；CAU-10-H（d）与CAU-10-Py（e）在278K、298K和308K下对SF6和N2的吸附等温线；CAU-10-H（f）与CAU-10-Py（g）与SF6的相互作用[55]

图8 Sc-cage-MOF（a）和Fe-cage-MOF（b）的合成方式与晶体结构；Sc-cage-MOF（c）和Fe-cage-MOF（d）在278K、288K与298K下对SF6和N2的吸附等温线；Sc-cage-MOF对SF6/N2(10/90)的IAST选择性（e）[56-57]

图9 Co3(HCOO)6（a）和Mn3(HCOO)6（b）的金属节点与孔道结构；Co3(HCOO)6（c）、Ni3(HCOO)6（d）和Mn3(HCOO)6（e）在273K和298K下对SF6和N2的吸附等温线；Co3(HCOO)6（f）、Ni3(HCOO)6（g）和Mn3(HCOO)6（h）在298K、10kPa下对SF6的动力学吸附曲线[58]

图10 一些材料在293K下对SF6的吸附等温线（a）；Yb-、Tm-和Hf-TBAPy在不同温度下的SF6（10kPa）与N2（90kPa）的吸附量以及相应的IAST选择性（b）；Yb-、Tm-和Hf-TBAPy在303K下对SF6的动力学吸附曲线（c）[59]

图11 配体TBAPy与TCPB化学式结构及合成4种MOF的路径（a）；Ga-TCPB及其同构材料的孔道结构以及次级结构单元金属团簇的结构（b）；在293K下4种MOF对SF6和N2的吸附等温线（c）；293K下计算的4种MOF的SF6/N2(10/90)的IAST选择性曲线（d）[60]

图12 Cu(peba)2（a）、Ni(pba)2（b）与Ni(ina)2（c）的孔结构；Cu(peba)2（d）、Ni(pba)2（e）与Ni(ina)2（f）在298K时的SF6和N2的吸附等温线；Cu(peba)2、Ni(pba)2与Ni(ina)2的IAST选择性（g）；Ni(ina)2对SF6/N2(10/90)的穿透曲线（h）[61]

图13 SNNU-202（a）、SNNU-203（b）和SNNU-204（c）的晶体结构；SNNU-202（d）、SNNU-203（e）和SNNU-204在273K、283K和298K下对SF6和N2的吸附等温线（f）[62]

图14 对现有MOF进行的关于吸附容量与IAST选择性的高通量计算筛选（绿色阴影区域为表现最好的MOF）(a）；Cu-MOF-NH2在298K下对SF6和N2的吸附等温线实验数据以及计算的IAST选择性（SF6/N2=10/90）（b）；Cu-MOF-NH2的晶体结构（紫色、黄色和绿色球体分别表示空腔A、B与C）（c）；Cu-MOF-NH2的空腔A中存在的杯芳烃类似微环境（d）[63]

图15 BrCOFs的合成和通过Suzuki-Miyaura交叉偶联的合成后修饰的示意图（a）；BrCOF-2和BrCOF-2-CF3在273K和298K下对SF6和N2的吸附等温线（b）[65]

图16 使用不同长度配体合成的RCOF系列材料及其拓扑结构（a）；RCOF-1、RCOF-2和RCOF-3在273K和298K下的对SF6吸附等温线（b）以及IAST选择性（c）（SF6/N2=10/90）[67]

图17 模拟0~100kPa（a）与0~20000kPa（b）下在22种多孔材料中的SF6吸附等温线[68]

图18 材料PPNx的合成反应过程（a）；PPNx在298K下对SF6的吸附等温线（b）；PPNx在298K下对SF6/N2（10/90）的IAST选择性（c）；13X和PPNx在298K下对SF6的动力学吸附曲线（d）；PPNx和13X分子筛在298K下对SF6/N2(10/90)的穿透曲线（e）[71]

图19 POPTrA-4F与POPTrA-8F的合成步骤及前体的化学结构（a）；POPTrA-4F（b）和POPTrA-8F（c）在298K、100kPa下对SF6和N2的动力学曲线；POPTrA-4F（d）和POPTrA-8F（e）在273K和298K下对SF6和N2的吸附等温线[72-73]

图20 New-PAF-1和N－SO3H合成过程示意图（a）；New-PAF-1（b）和N－SO3H（c）对SF6、NF3、CF4、N2、O2和Ar在298K下的吸附等温线；New-PAF-1和N－SO3H与SF6作用的电荷密度差异图（d）；New-PAF-1（e）和N－SO3H（f）对SF6的动力学吸附曲线[74]

图21 CC2α、CC3α、CC5α和CC13β的单晶结构与孔道表示（a）；单晶结构解析的SF6在CC3α腔中的吸附位点（b）；CC2α、CC3α、CC5α和CC13β在230K下每个笼内容纳的SF6分子数（c）；CC3α在273K和298K下对SF6和N2的吸附等温线（d）；CC2α、CC3α、CC5α和CC13β计算得到的SF6吸附热（e）[76]

图22 目前捕获低浓度SF6性能优异的新型吸附材料合适孔径与孔结构特征

表1 目前已报道的吸附SF6及吸附分离SF6/N2的新型多孔材料的主要性能参数

新型多孔材料	吸附量/mmol·g^-1			IAST选择性 (SF₆/N₂=10/90)	数据来源
新型多孔材料	100kPa，SF₆	10kPa，SF₆	100kPa，N₂	IAST选择性 (SF₆/N₂=10/90)	数据来源
Cu₃(btc)₂	4.77	—	—	—	[43]
MIL-100(Fe)	2.94	—	—	—	[43]
MIL-101(Cr)	2.01	—	—	—	[43]
Zn₄O(dmcpz)₃	2.54	—	—	—	[43]
Co₂(1,4-bdc)₂(dabco)	3.39	—	—	—	[43]
DUT-9	2.32	—	—	—	[43]
Zn₄O(btb)₂	3.12	—	—	—	[43]
HKUST-1a	3.59	0.98	0.25	38	[44]
HKUST-1b	4.02	1.19	0.25	50	[44]
HKUST-1c	4.99	1.37	0.17	70	[44]
Zn-MOF-74	3.73	1.28	0.30	46	[45]
Co-MOF-74	5.34	1.96	0.59	38	[45]
Mg-MOF-74	6.42	1.82	1.06	37	[45]
CAU-17	1.61^①	1.12^①	0.38^①	31^①	[46]
HBU-21	0.95	0.35	0.04	184	[47]
UiO-67	3.87	—	0.14	22	[49]
UiO-66	1.67	0.80	0.12	140	[50]
UiO-66-NH₂	1.67	0.80	—	—	[50]
UiO-66-Br	1.20	0.73	—	—	[50]
UiO-66-Cl	1.15	0.62	—	—	[50]
UiO-66-I	1.37	0.80	—	—	[50]
UiO-66-NO₂	1.31	0.72	—	—	[50]
UiO-66-Br₂	0.92	0.73	0.14	220	[50]
Ni(pba)₂	3.47	1.69	0.33	160	[51]
Ni(3-mpba)₂	2.83	1.79	0.25	221	[51]
Co(3-mpba)₂	3.25	1.77	0.34	161	[51]
Zn(BDC)(DABCO)_0.5	3.48	0.57	0.15	32	[52]
Zn(DMBDC)(DABCO)_0.5	4.77	1.40	0.15	119	[52]
Zn(TMBDC)(DABCO)_0.5	4.61	2.48	0.33	239	[52]
Ni(ina)(bdc)_0.5	2.25	0.78	0.18	53	[53]
Ni(3-min)(bdc)_0.5	1.81	1.05	0.19	91	[53]
ZIF-8	0.15^②	0.01^②	0.10^②	1.69^②	[54]
ZIF-7_0.06-8_0.94	0.20^②	0.02^②	0.17^②	1.31^②	[54]
ZIF-7_0.20-8_0.80	1.40^②	0.29^②	0.17^②	21^②	[54]
ZIF-7_0.26-8_0.74	2.08^②	0.57^②	0.15^②	40^②	[54]
ZIF-7_0.37-8_0.63	1.81^②	0.48^②	0.14^②	34^②	[54]
ZIF-7_0.47-8_0.53	1.56^②	0.34^②	0.12^②	27^②	[54]
ZIF-7_0.52-8_0.48	1.19^②	0.27^②	0.15^②	22^②	[54]
ZIF-7_0.90-8_0.10	0.65^②	0.13^②	0.11^②	13^②	[54]
ZIF-7_0.98-8_0.02	0.51^②	0.13^②	0.09^②	15^②	[54]
ZIF-7	0.46^②	0.13^②	0.05^②	22^②	[54]
CAU-10	1.00	0.68	0.16	123	[55]
CAU-10-Py	1.76	1.13	0.20	204	[55]
Sc-cage-MOF	1.59	0.92	0.30	8.1	[56]
Fe-cage-MOF	1.36	0.43	0.03	21	[57]
Co₃(HCOO)₆	2.18	1.63	0.18	125	[58]
Ni₃(HCOO)₆	1.00	0.37	0.17	19.2	[58]
Mn₃(HCOO)₆	1.28	1.06	0.11	263	[58]
Hf-TBAPy	1.38^②	0.54^②	0.21^②	25^②	[59]
Tm-TBAPy	1.83^②	1.22^②	0.25^②	48^②	[59]
Yb-TBAPy	2.33^②	1.60^②	0.33^②	47^②	[59]
Ce-TBAPy	2.16^②	1.47^②	0.31^②	47^②	[59]
Ga-TBAPy	3.50^②	1.33^②	0.36^②	55^②	[60]
V-TBAPy	3.28^②	1.33^②	0.33^②	65^②	[60]
Ga-TCPB	3.07^②	2.26^②	0.33^②	418^②	[60]
V-TCPB	2.95^②	2.29^②	0.36^②	361^②	[60]
Cu(peba)₂	2.36	0.14	0.19	18	[61]
Ni(pba)₂	3.50	1.67	0.26	201	[61]
Ni(ina)₂	2.84	2.39	0.49	375	[61]
SNNU-202	4.55	0.33	0.12	9	[62]
SNNU-203	5.09	0.45	0.14	27	[62]
SNNU-204	6.92	0.72	0.13	49	[62]
Cu-MOF-NH₂	7.88	3.39	0.27	266	[63]
TKL-107	3.97	1.26	0.19	180	[64]
BrCOF-2	1.25	0.13	0.17^①	17^①	[65]
BrCOF-2-CF₃	1.45	0.24	0.16^①	39^①	[65]
3D-TMTAPB-COF	2.72	1.19	0.17	335	[66]
RCOF-1	3.46	1.50	—	83	[67]
RCOF-1-2	2.97	1.29	—	78	[67]
RCOF-1-3	2.49	1.08	—	88	[67]
RCOF-1-4	2.42	1.13	—	88	[67]
RCOF-1-5	1.11	0.50	—	52	[67]
RCOF-2	1.86	0.38	—	45	[67]
RCOF-3	0.58	0.12	—	25	[67]
COF-300	3.09	2.63	—	51	[67]
ACOF-1	2.15	0.65	—	54	[67]
FCOF-1	1.08	0.25	—	14	[67]
KFCOF-1	0.99	0.31	—	32	[67]
PPN0	1.52	0.62	0.17	42	[71]
PPN1	1.03	0.62	0.16	51	[71]
PPN2	0.94	0.39	0.10	45	[71]
POPTrA-4F	1.12	0.51	0.04	62^⑤	[72]
POPTrA-4F	1.07	0.49	0.05	27^⑤	[72]
POPTrB-4F	1.78	0.80	0.04	63^⑤	[73]
POPTrB-8F	1.70	0.62	0.05	52^⑤	[73]
New-PAF-1	45.07^④	5.6^④	2.27^④	35	[74]
N-SO₃H	104.5^④	34.5^④	5.86^④	40	[74]
PAF-XJTU-1	2.10	—	0.15	27^⑤	[75]
PAF-XJTU-2	2.68	—	0.18	38^⑤	[75]
PAF-XJTU-3	2.46	—	0.18	37^⑤	[75]
PAF-XJTU-4	1.61	—	0.13	24^⑤	[75]
CC2α	1.03	0.27	—	—	[76]
CC3α	2.29	0.88	0.14	73	[76]
CC5α	1.90	0.38	—	—	[76]
CC13β	1.64	0.05	—	—	[76]
[4[2+3]+6]笼	2.46	0.79	—	—	[77]
SBMOF-1	1.02	0.92	0.17	325	[78]
SU-100	2.07^①	1.86^①	0.51^①	36^①	[79]
CAU-33	1.04^②	0.38^②	0.22^②	—	[80]
SU-101	1.44^②	0.51^②	0.11^②	40^②	[80]
Ni(ndc)(ted)_0.5	100^④	61.9^④	6.05^④	750	[81]
UU-200	1.19^②	0.73^②	0.16^②	45^②	[80]
CTH-18	1.92^②	1.53^②	0.50^②	29^②	[82]
Ni(adc)(dabco)_0.5	2.38	2.23	0.30	919	[83]
SIFSIX-2-Cu-i	7.0^③	—	0.2^③	25^③	[84]
YTU-30	68.6^④	20.8	3.3^④	68	[85]

表1 目前已报道的吸附SF6及吸附分离SF6/N2的新型多孔材料的主要性能参数

新型多孔材料	吸附量/mmol·g^-1			IAST选择性 (SF₆/N₂=10/90)	数据来源
新型多孔材料	100kPa，SF₆	10kPa，SF₆	100kPa，N₂	IAST选择性 (SF₆/N₂=10/90)	数据来源
Cu₃(btc)₂	4.77	—	—	—	[43]
MIL-100(Fe)	2.94	—	—	—	[43]
MIL-101(Cr)	2.01	—	—	—	[43]
Zn₄O(dmcpz)₃	2.54	—	—	—	[43]
Co₂(1,4-bdc)₂(dabco)	3.39	—	—	—	[43]
DUT-9	2.32	—	—	—	[43]
Zn₄O(btb)₂	3.12	—	—	—	[43]
HKUST-1a	3.59	0.98	0.25	38	[44]
HKUST-1b	4.02	1.19	0.25	50	[44]
HKUST-1c	4.99	1.37	0.17	70	[44]
Zn-MOF-74	3.73	1.28	0.30	46	[45]
Co-MOF-74	5.34	1.96	0.59	38	[45]
Mg-MOF-74	6.42	1.82	1.06	37	[45]
CAU-17	1.61^①	1.12^①	0.38^①	31^①	[46]
HBU-21	0.95	0.35	0.04	184	[47]
UiO-67	3.87	—	0.14	22	[49]
UiO-66	1.67	0.80	0.12	140	[50]
UiO-66-NH₂	1.67	0.80	—	—	[50]
UiO-66-Br	1.20	0.73	—	—	[50]
UiO-66-Cl	1.15	0.62	—	—	[50]
UiO-66-I	1.37	0.80	—	—	[50]
UiO-66-NO₂	1.31	0.72	—	—	[50]
UiO-66-Br₂	0.92	0.73	0.14	220	[50]
Ni(pba)₂	3.47	1.69	0.33	160	[51]
Ni(3-mpba)₂	2.83	1.79	0.25	221	[51]
Co(3-mpba)₂	3.25	1.77	0.34	161	[51]
Zn(BDC)(DABCO)_0.5	3.48	0.57	0.15	32	[52]
Zn(DMBDC)(DABCO)_0.5	4.77	1.40	0.15	119	[52]
Zn(TMBDC)(DABCO)_0.5	4.61	2.48	0.33	239	[52]
Ni(ina)(bdc)_0.5	2.25	0.78	0.18	53	[53]
Ni(3-min)(bdc)_0.5	1.81	1.05	0.19	91	[53]
ZIF-8	0.15^②	0.01^②	0.10^②	1.69^②	[54]
ZIF-7_0.06-8_0.94	0.20^②	0.02^②	0.17^②	1.31^②	[54]
ZIF-7_0.20-8_0.80	1.40^②	0.29^②	0.17^②	21^②	[54]
ZIF-7_0.26-8_0.74	2.08^②	0.57^②	0.15^②	40^②	[54]
ZIF-7_0.37-8_0.63	1.81^②	0.48^②	0.14^②	34^②	[54]
ZIF-7_0.47-8_0.53	1.56^②	0.34^②	0.12^②	27^②	[54]
ZIF-7_0.52-8_0.48	1.19^②	0.27^②	0.15^②	22^②	[54]
ZIF-7_0.90-8_0.10	0.65^②	0.13^②	0.11^②	13^②	[54]
ZIF-7_0.98-8_0.02	0.51^②	0.13^②	0.09^②	15^②	[54]
ZIF-7	0.46^②	0.13^②	0.05^②	22^②	[54]
CAU-10	1.00	0.68	0.16	123	[55]
CAU-10-Py	1.76	1.13	0.20	204	[55]
Sc-cage-MOF	1.59	0.92	0.30	8.1	[56]
Fe-cage-MOF	1.36	0.43	0.03	21	[57]
Co₃(HCOO)₆	2.18	1.63	0.18	125	[58]
Ni₃(HCOO)₆	1.00	0.37	0.17	19.2	[58]
Mn₃(HCOO)₆	1.28	1.06	0.11	263	[58]
Hf-TBAPy	1.38^②	0.54^②	0.21^②	25^②	[59]
Tm-TBAPy	1.83^②	1.22^②	0.25^②	48^②	[59]
Yb-TBAPy	2.33^②	1.60^②	0.33^②	47^②	[59]
Ce-TBAPy	2.16^②	1.47^②	0.31^②	47^②	[59]
Ga-TBAPy	3.50^②	1.33^②	0.36^②	55^②	[60]
V-TBAPy	3.28^②	1.33^②	0.33^②	65^②	[60]
Ga-TCPB	3.07^②	2.26^②	0.33^②	418^②	[60]
V-TCPB	2.95^②	2.29^②	0.36^②	361^②	[60]
Cu(peba)₂	2.36	0.14	0.19	18	[61]
Ni(pba)₂	3.50	1.67	0.26	201	[61]
Ni(ina)₂	2.84	2.39	0.49	375	[61]
SNNU-202	4.55	0.33	0.12	9	[62]
SNNU-203	5.09	0.45	0.14	27	[62]
SNNU-204	6.92	0.72	0.13	49	[62]
Cu-MOF-NH₂	7.88	3.39	0.27	266	[63]
TKL-107	3.97	1.26	0.19	180	[64]
BrCOF-2	1.25	0.13	0.17^①	17^①	[65]
BrCOF-2-CF₃	1.45	0.24	0.16^①	39^①	[65]
3D-TMTAPB-COF	2.72	1.19	0.17	335	[66]
RCOF-1	3.46	1.50	—	83	[67]
RCOF-1-2	2.97	1.29	—	78	[67]
RCOF-1-3	2.49	1.08	—	88	[67]
RCOF-1-4	2.42	1.13	—	88	[67]
RCOF-1-5	1.11	0.50	—	52	[67]
RCOF-2	1.86	0.38	—	45	[67]
RCOF-3	0.58	0.12	—	25	[67]
COF-300	3.09	2.63	—	51	[67]
ACOF-1	2.15	0.65	—	54	[67]
FCOF-1	1.08	0.25	—	14	[67]
KFCOF-1	0.99	0.31	—	32	[67]
PPN0	1.52	0.62	0.17	42	[71]
PPN1	1.03	0.62	0.16	51	[71]
PPN2	0.94	0.39	0.10	45	[71]
POPTrA-4F	1.12	0.51	0.04	62^⑤	[72]
POPTrA-4F	1.07	0.49	0.05	27^⑤	[72]
POPTrB-4F	1.78	0.80	0.04	63^⑤	[73]
POPTrB-8F	1.70	0.62	0.05	52^⑤	[73]
New-PAF-1	45.07^④	5.6^④	2.27^④	35	[74]
N-SO₃H	104.5^④	34.5^④	5.86^④	40	[74]
PAF-XJTU-1	2.10	—	0.15	27^⑤	[75]
PAF-XJTU-2	2.68	—	0.18	38^⑤	[75]
PAF-XJTU-3	2.46	—	0.18	37^⑤	[75]
PAF-XJTU-4	1.61	—	0.13	24^⑤	[75]
CC2α	1.03	0.27	—	—	[76]
CC3α	2.29	0.88	0.14	73	[76]
CC5α	1.90	0.38	—	—	[76]
CC13β	1.64	0.05	—	—	[76]
[4[2+3]+6]笼	2.46	0.79	—	—	[77]
SBMOF-1	1.02	0.92	0.17	325	[78]
SU-100	2.07^①	1.86^①	0.51^①	36^①	[79]
CAU-33	1.04^②	0.38^②	0.22^②	—	[80]
SU-101	1.44^②	0.51^②	0.11^②	40^②	[80]
Ni(ndc)(ted)_0.5	100^④	61.9^④	6.05^④	750	[81]
UU-200	1.19^②	0.73^②	0.16^②	45^②	[80]
CTH-18	1.92^②	1.53^②	0.50^②	29^②	[82]
Ni(adc)(dabco)_0.5	2.38	2.23	0.30	919	[83]
SIFSIX-2-Cu-i	7.0^③	—	0.2^③	25^③	[84]
YTU-30	68.6^④	20.8	3.3^④	68	[85]

表2 目前已报道的吸附SF6及吸附分离SF6/N2的活性炭与分子筛的主要性能参数

活性炭与分子筛	吸附量/mmol·g^-1			IAST选择性 (SF₆/N₂=10/90)	数据来源
活性炭与分子筛	100kPa，SF₆	10kPa，SF₆	100kPa，N₂	IAST选择性 (SF₆/N₂=10/90)	数据来源
CNHs	3.56^⑥	1.30^⑥	0.36^⑥	44^⑥	[7]
13X	1.96	0.99	0.33	56.5	[48]
商用AC	2.50	1.00	—	45.0	[86]
PC-CaCit	3.61	1.05	0.33	30	[87]
PC-MgCit	3.34	0.92	0.31	30	[87]
高硅沸石	1.99^①	1.73^①	—	—	[88]
ACK0	2.71	0.99	0.23	481	[89]
ACK1	3.10	1.96	0.23	684	[89]
ACK2	3.03	1.96	0.40	591	[89]
ACK3	3.26	1.98	0.42	473	[89]
ACK4	2.68	1.52	0.40	260	[89]
PC-700	2.67	1.74	0.40	150	[90]
PC-750	4.09	2.17	0.45	436	[90]
PC-800	4.82	1.64	0.30	331	[90]
MFI-1	1.45	0.86	0.96	106	[91]
MFI-2	1.28	0.71	0.89	78	[91]
Carbosieve G	3.30^②	1.76^②	—	—	[92]
Westvaco	1.96^③	0.61^②	—	—	[92]
Maxsorb	5.40^④	1.87^④	—	—	[92]
模板衍生碳	0.75	0.27	—	—	[93]
AC-1	2.86^⑤	—	0.29^⑤	—	[94]
ZX	1.54^⑤	—	0.25^⑤	—	[94]

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