稻壳碱溶活化制备P型分子筛

Abstract

Abstract:

Ptype zeolite was synthesized by carbonization, alkalidissolving 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

CLC Number:

O613

YANG Jun, MA Gong-Chao, FU Ying-Huan, SONG Yu, WANG Yong-Wei, XU Chun-Ling, Dong-Xiao-Li. AlkaliActivated Synthesis of Zeolite P from Rice Husk[J].J4, 2011, 49(04): 767-771.

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AlkaliActivated Synthesis of Zeolite P from Rice Husk

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