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Abstract
To remove group 1 and 2 metal ions from Japanese oak (Quercus serrata Thunb. and/or Quercus crispula Blume) charcoal (OC), a water-extraction treatment was employed. The treatment was repeated 1, 4, 8, or 12 times. The amounts of four metal (sodium, potassium, magnesium, and calcium) ions eluted from non-treated and treated OC were determined using an ion chromatographic apparatus. The effects of water-extraction treatment on the ability of OC to adsorb cesium were investigated using 2.50 × 10−5and 2.50 × 10−6 mol/L aqueous cesium chloride solutions. As for both aqueous solutions, an unexpected result was obtained in that the cesium-adsorption ability of OC decreased suddenly when the repetition of water-extraction treatments exceeded a certain threshold. We explain the results in terms of pH of the sample solutions and the point of zero charge for OC.
References
For further details log on website :
http://link.springer.com/article/10.1007/s10086-016-1578-z
First online:
Title
Cesium adsorption from aqueous solutions onto Japanese oak charcoal III: effects of water-extraction treatment
- Author
Abstract
To remove group 1 and 2 metal ions from Japanese oak (Quercus serrata Thunb. and/or Quercus crispula Blume) charcoal (OC), a water-extraction treatment was employed. The treatment was repeated 1, 4, 8, or 12 times. The amounts of four metal (sodium, potassium, magnesium, and calcium) ions eluted from non-treated and treated OC were determined using an ion chromatographic apparatus. The effects of water-extraction treatment on the ability of OC to adsorb cesium were investigated using 2.50 × 10−5and 2.50 × 10−6 mol/L aqueous cesium chloride solutions. As for both aqueous solutions, an unexpected result was obtained in that the cesium-adsorption ability of OC decreased suddenly when the repetition of water-extraction treatments exceeded a certain threshold. We explain the results in terms of pH of the sample solutions and the point of zero charge for OC.
References
- 1.Ershov BG, Bykov GL, Seliverstov AF, Milyutin VV, Gelis VM (1993) Sorption of radionuclides on oxidized charcoals. Radiochem 35:699–702
- 2.Narita E, Sasaki A, Aisawa S, Hirahara H (2013) Development of charcoals from corn wastes for prevention of environmental pollution (in Japanese). Wood Carboniz Res 9:59–67
- 3.Caccin M, Giacobbo F, Da Ros M, Mariani M, Besozzi L (2013) Adsorption of uranium, cesium and strontium onto coconut shell activated carbon. J Radioanal Nucl Chem 297:9–18CrossRef
- 4.Kobayashi M (2011) Removal radioactive Cs from soil by bio-char application (in Japanese). J Jpn Soc Atmos Environ 46:217–223
- 5.Yamauchi S, Kurimoto Y, Yatagai M (2013) Cesium ion adsorption on oak charcoal in aqueous solutions (in Japanese). Wood Carboniz Res 10:35–6742
- 6.Yamane K, Kagemori N, Imamura Y, Futatsugawa S, Sera K (2001) Determination of trace elements in the ash of wood and bamboo charcoal by PIXE (in Japanese). NMCC Annu Rep 9:132–135
- 7.Fujiwara S, Shima K, Chiba K (2003) Fundamental characteristics and humidity control capacity of bamboo charcoal (in Japanese). Mokuzai Gakkaishi 49:333–341
- 8.Yamauchi S, Yamagishi T, Kirikoshi K, Yatagai M (2014) Cesium adsorption from aqueous solutions onto Japanese oak charcoal I: effects of the presence of group 1 and 2 metal ions. J Wood Sci 60:473–479CrossRef
- 9.Yamauchi S, Yamagishi T, Kirikoshi K, Yatagai M (2015) Cesium adsorption from aqueous solutions onto Japanese oak charcoal II: effects of metal ions eluted from the charcoal. J Wood Sci 61:185–191CrossRef
- 10.JIS K 0102 (2008) Testing methods for industrial wastewater (in Japanese). Japanese Standards Association, Tokyo, pp 191–194
- 11.Boehm HP (1994) Some aspects of the surface chemistry of carbon blacks and other carbon. Carbon 32:759–769CrossRef
- 12.Honma S, Sano Y, Kubota M, Umehara K, Komazawa K (2000) Chemical structure and ammonia adsorption ability of (Abies sachalinensis) wood carbonized in nitrogen and air atmospheres (in Japanese). Mokuzai Gakkaishi 46:348–354
- 13.Ishimaru K, Hata T, Bronsveld P, Meier D, Imamura Y (2007) Spectroscopic analysis of carbonization behavior of wood, cellulose and lignin. J Mater Sci 42:122–129CrossRef
- 14.Yoshihara K, Machida M, Ahamad Zaini MA, Aikawa M, Fujimura Y, Tatsumoto H (2008) Influence of acidic functional groups of activated carbon and solution pH on cadmium ion adsorption (in Japanese). J Ion Exch 19:95–100CrossRef
- 15.Kondo S, Ishikawa T, Abe I (2001) Science of adsorption (in Japanese). Maruzen Co. Ltd, Tokyo, pp 15–25
- 16.Yamauchi S (2003) Infrared photoacoustic spectra of Japanese cedar (Cryptomeria japonica D. Don) wood and bark heat-treated at temperatures ranging from 200 °C to 1100 °C. Eurasian J For Res 6:75–78
For further details log on website :
http://link.springer.com/article/10.1007/s10086-016-1578-z
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