J4 ›› 2011, Vol. 49 ›› Issue (04): 767-771.
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YANG Jun, MA Hongchao, FU Yinghuan, SONG Yu,WANG Yongwei, YU Chunling, DONG Xiaoli
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Abstract:
Ptype zeolite was synthesized by carbonization, alkalidissolving and hydrothermal method with rice husk and aluminum hydroxide as t he starting materials without aging prouss and adding crystal seeds. It was found that the optimal zeolitization conditions are temperature 85 ℃; time 8 h; n(Na2O) ∶n(SiO2)=1.43, n(SiO2) ∶n(Al2O3)=4, n(H2O) ∶n(Na2O)=18.3. The prepared product shows a calcium ionic exchange capacity of 330 mg/g. XRD and SEM of the product show that pure, single phase and high crystalline zeolite P samples were synthesized under optimum conditions.
Key words: rice husk, zeolite P, hydrothermal synthesis, detergent builder
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YANG Jun, MA Gong-Chao, FU Ying-Huan, SONG Yu, WANG Yong-Wei, XU Chun-Ling, Dong-Xiao-Li. AlkaliActivated Synthesis of Zeolite P from Rice Husk[J].J4, 2011, 49(04): 767-771.
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http://xuebao.jlu.edu.cn/lxb/EN/Y2011/V49/I04/767
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