2015
DOI: 10.1007/s10853-015-9289-1
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Capture and reversible storage of volatile iodine by porous carbon with high capacity

Abstract: The capture of iodine using porous materials has attracted considerable interest. In this work, porous carbon with a special surface area of 1973 m 2 g -1 was prepared by simple activation method. As an adsorbent, the adsorption capacity of the resulting porous carbon could reach up to 376 wt% for iodine vapor and 460 mg g -1 for iodine uptake in cyclohexane, which both are among the highest values reported up to now. Taking advantages of its high special surface area, easy preparation, low cost, as well as go… Show more

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Cited by 121 publications
(54 citation statements)
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“…Besides, the iodine uptake capacity correlate to the BET surface areas and pore volumes of the porous graphene as determined by nitrogen gas adsorption/desorption. Such behavior is similar for carbonaceous materials discussed previously . That is, a higher porosity and larger pore sizes may interact and promote the ultimate extents of vapor iodine uptake.…”
Section: Resultssupporting
confidence: 75%
See 1 more Smart Citation
“…Besides, the iodine uptake capacity correlate to the BET surface areas and pore volumes of the porous graphene as determined by nitrogen gas adsorption/desorption. Such behavior is similar for carbonaceous materials discussed previously . That is, a higher porosity and larger pore sizes may interact and promote the ultimate extents of vapor iodine uptake.…”
Section: Resultssupporting
confidence: 75%
“…In our previous work, we synthesized N‐rich porous organic polymers as sorbents for remediation of iodine vapor with a high capacity up to 382 wt% . However, in most cases, some disadvantages for these materials are related to low iodine removal efficiency, complicated fabrication process, environmental risk or high cost ,. Therefore, alternative materials with a high loading capacity, robust chemical and thermal stability as well as environment‐friendly property for removal of radioactive iodine species are still highly stressed for the environmental and economic considerations.…”
Section: Introductionmentioning
confidence: 99%
“…4 In particular, the capture and sequestration of highly mobile volatile gasses produced from nuclear fission, such as 129 I and 131 I, is becoming an extensive area of research in the field of porous materials. 5 Such radionuclides pose a significant risk to human health and the environment, therefore, strategies to efficiently store radioactive iodine in a durable waste form must be developed. The present work seeks to provide new insights into the fascinating binding interactions exhibited by I 2 , and hence improve upon the current state-of-the-art radioactive iodine capture methods.…”
Section: Introductionmentioning
confidence: 99%
“…To further investigate the adsorption performance of the CMPs, hence, the I 2 uptake measurement was performed. The I 2 capture was conducted at 353.3 K under iodine vapor with these two CMP samples . With the I 2 sublimed into the CMP samples at ambient temperature, an obvious color change of the samples from brown to dark brown was observed.…”
Section: Resultsmentioning
confidence: 99%