2017年9月
Preparation of Anion Exchangers Derived from Melamine Sponge and Its Adsorption Characteristics of Nitrate Ion
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
- ,
- ,
- 巻
- 50
- 号
- 9
- 開始ページ
- 692
- 終了ページ
- 695
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1252/jcej.17we062
- 出版者・発行元
- SOC CHEMICAL ENG JAPAN
Preparation of anion exchangers using melamine sponge (MS) and adsorption of nitrate ion was investigated. Carbonized melamine sponge was prepared at 500 degrees C with ZnCl2 impregnation (Z6) to develop the pore structure. Z6 was further treated by CH3I to introduce quaternary nitrogen onto the carbon surface and referred to as Z6-Q. Based on the result of X-ray photoelectron spectroscopy (XPS), Z6-Q contained more quaternary nitrogen than MS and Z6. Adsorption of nitrate ion on Z6-Q reached an equilibrium state the most quickly among the prepared samples. Adsorption kinetic curves indicated that the rate-limiting process was diffusion inside the pore for the adsorption of nitrate ion. In the adsorption of nitrate ion ranging 0.1-0.7 mmol/g, Z6-Q released equimolar chloride ion, suggesting that Z6-Q could have anion exchange sites to adsorb nitrate ion.
- リンク情報
- ID情報
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- DOI : 10.1252/jcej.17we062
- ISSN : 0021-9592
- Web of Science ID : WOS:000411794500004