Nitrate Nitrogen Adsorption of Ca-loaded Charcoal from Wood Waste
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- Yokoyama Riei
- Okayama Laboratory, Nisshoku Corporation Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
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- Hayashi Satoshi
- Okayama Laboratory, Nisshoku Corporation
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- Nakanishi Makoto
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
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- Takada Jun
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University
Bibliographic Information
- Other Title
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- Caを含有させた木質系廃棄物由来炭化物材料の硝酸性窒素吸着特性
- Ca オ ガンユウサセタ モクシツケイ ハイキブツ ユライ タンカブツ ザイリョウ ノ ショウサンセイ チッソ キュウチャク トクセイ
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Abstract
In this study, thermal decomposition of Hinoki chips soaked in Ca solution and adsorption properties of obtained charcoal for nitrate nitrogen were investigated to develop a novel functional charcoal. Ca(OH)2 was used as Ca source due to less environmental load and easy handling and Ca-impregnated chips were heat-treated in an electric muffle furnace at temperatures between 600 and 900°C. The Ca-loaded charcoal acid-treated with HCl exhibited adsorptive ability for nitrate nitrogen. It was revealed that adsorption of nitrate nitrogen was ion-exchange reaction and that the charcoal samples acid-treated with HCl could be regenerated repeatedly by exchanging nitrate ion for chloride ion. The measurements of adsorption properties for nitrate nitrogen revealed that the adsorptive ability and durability of these samples were higher than those of activate carbon and anion-exchange resin. It was also found the obtained charcoal exhibited selective adsorption for nitrate nitrogen and fluoride anion, but not for sulfuric acid and phosphoric acid anions. As the result, the simple method, Ca-impregnation, thermal decomposition and acid treatment of wood waste, has advantages in production of nitrate nitrogen adsorption material.
Journal
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- Journal of the Japan Society of Powder and Powder Metallurgy
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Journal of the Japan Society of Powder and Powder Metallurgy 55 (3), 177-184, 2008
Japan Society of Powder and Powder Metallurgy
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Details 詳細情報について
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- CRID
- 1390282681283687680
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- NII Article ID
- 10021172849
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- NII Book ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BD1cXjvFCitLo%3D
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- ISSN
- 18809014
- 05328799
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- NDL BIB ID
- 9436541
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed