ADSORPTION MECHANISM OF Pb ON PAPER SLUDGE ASH TREATED BY NaOH HYDROTHERMAL REACTUION
スポンサーリンク
概要
- 論文の詳細を見る
A paper sludge ash was subjected to NaOH hydrothermal condition. The component minerals of this modified paper sludge ash (MPS) were NaPl-type zeolite, gehlenite, talc, quartz and anatase, and their contents determined by standard addition method with X-ray diffraction measurement were 42.5, 20.5, 4.1, 3.0 and 1.3 mass%, respectively. The 28.5 mass% as the rest of MPS contents was amorphous calcium aluminosilicate hydrate (CASH), which was probably formed from Ca in paper additives, Al in water-clarifying reagent and Si in water glass. As a result of Pb adsorption experiments, the maximum adsorption on MPS was 20.58 μmol g^<-1>, which was higher than those on pure mineral species such as NaP1 and gehlenite. It was thought that the large adsorption of MPS was owing to an excellent adsorption of CASH in MPS. The molecular orbital calculation supported a speculation that the Pb adsorption on CASH was principally specific one with which silanol groups were concerned.
- 日本粘土学会の論文
著者
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Sugiyama Osamu
Shizuoka Industrial Research Institute:(present Address)hamamatsu Industrial Research Institute Of S
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MATSUE Naoto
Ehime Univ.
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HENMI Teruo
Ehime Univ.
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Henmi Teruo
Department Of Agricultural Chemistry Faculty Of Agriculture Ehime University
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Matsue N
Ehime Univ.
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Matsue N
Faculty Of Agriculture Ehime University
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Matsue Naoto
Department Of Agricultural Chemistry Faculty Of Agriculture Ehime University
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SAKAMOTO TAKABUMI
Faculty of Risk and Crisis Management, Chiba Institute of Science
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SUGIYAMA Osamu
Fuji Industrial Research Institute of Shizuoka Prefecture
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ANDO TAKAO
Faculty of Risk and Crisis Management, Chiba Institute of Science
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HIYOSHI KIMIO
Fuji industrial research institute of Shizuoka prefecture
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Henmi T
Faculty Of Agriculture Ehime University
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Sugiyama O
Fuji Industrial Research Institute Of Shizuoka Prefecture
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Sakamoto Takabumi
Faculty Of Risk And Crisis Management Chiba Institute Of Science
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Henmi Teruo
Department Of Agricultural Chemistly Faculty Of Agriculture Ehime University
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Ando Takao
Faculty Of Risk And Crisis Management Chiba Institute Of Science
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