Synthesis of SAPO-11 molecular sieve with DPA and/or DIPA as templates

Yue Ming Liu; Feng Mei Zhang; Xing Tian Shu

Synthesis of SAPO-11 molecular sieve with DPA and/or DIPA as templates

Yue Ming Liu, Feng Mei Zhang, Xing Tian Shu

Research output: Contribution to journal › Article › peer-review

Abstract

SAPO-11 was synthesized in the system of Al₂O₃-P2O₅-SiO₂-R Amine as template)-H₂O with di-n-propylamine (DPA) or di-i-propylamine (DIPA) (Single template method) or their mixtures as templates (Dual-template method). The results showed that synthesis with dual-template can avoid the impure phases of SAPO-5 and SAPO-31 found in synthesis with single template method. The crystallinity of SAPO-11 is varied in a wave form with the variation of template composition by using dual-template method. When w(DPA)=40% or 60%, maximum values of product relative crystallinity appeared. When w(DPA)=33% or 45%, minimum values were obtained. The tendency of relative crystallinity was not significantly affected by crystallization temperature, but varied with the gel n(SiO₂)/n(Al₂O₃) ratio.

Original language	English
Pages (from-to)	26-30
Number of pages	5
Journal	Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)
Volume	18
Issue number	6
State	Published - Dec 2002
Externally published	Yes

Keywords

Double template
Molecular sieve
SAPO-11
Synthesis
Wave form

Cite this

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title = "Synthesis of SAPO-11 molecular sieve with DPA and/or DIPA as templates",

abstract = "SAPO-11 was synthesized in the system of Al2O3-P2O5-SiO2-R Amine as template)-H2O with di-n-propylamine (DPA) or di-i-propylamine (DIPA) (Single template method) or their mixtures as templates (Dual-template method). The results showed that synthesis with dual-template can avoid the impure phases of SAPO-5 and SAPO-31 found in synthesis with single template method. The crystallinity of SAPO-11 is varied in a wave form with the variation of template composition by using dual-template method. When w(DPA)=40\% or 60\%, maximum values of product relative crystallinity appeared. When w(DPA)=33\% or 45\%, minimum values were obtained. The tendency of relative crystallinity was not significantly affected by crystallization temperature, but varied with the gel n(SiO2)/n(Al2O3) ratio.",

keywords = "Double template, Molecular sieve, SAPO-11, Synthesis, Wave form",

author = "Liu, \{Yue Ming\} and Zhang, \{Feng Mei\} and Shu, \{Xing Tian\}",

year = "2002",

month = dec,

language = "英语",

volume = "18",

pages = "26--30",

journal = "Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)",

issn = "1001-8719",

publisher = "Editorial Office of Acta Petrolei Sinica",

number = "6",

}

TY - JOUR

T1 - Synthesis of SAPO-11 molecular sieve with DPA and/or DIPA as templates

AU - Liu, Yue Ming

AU - Zhang, Feng Mei

AU - Shu, Xing Tian

PY - 2002/12

Y1 - 2002/12

N2 - SAPO-11 was synthesized in the system of Al2O3-P2O5-SiO2-R Amine as template)-H2O with di-n-propylamine (DPA) or di-i-propylamine (DIPA) (Single template method) or their mixtures as templates (Dual-template method). The results showed that synthesis with dual-template can avoid the impure phases of SAPO-5 and SAPO-31 found in synthesis with single template method. The crystallinity of SAPO-11 is varied in a wave form with the variation of template composition by using dual-template method. When w(DPA)=40% or 60%, maximum values of product relative crystallinity appeared. When w(DPA)=33% or 45%, minimum values were obtained. The tendency of relative crystallinity was not significantly affected by crystallization temperature, but varied with the gel n(SiO2)/n(Al2O3) ratio.

AB - SAPO-11 was synthesized in the system of Al2O3-P2O5-SiO2-R Amine as template)-H2O with di-n-propylamine (DPA) or di-i-propylamine (DIPA) (Single template method) or their mixtures as templates (Dual-template method). The results showed that synthesis with dual-template can avoid the impure phases of SAPO-5 and SAPO-31 found in synthesis with single template method. The crystallinity of SAPO-11 is varied in a wave form with the variation of template composition by using dual-template method. When w(DPA)=40% or 60%, maximum values of product relative crystallinity appeared. When w(DPA)=33% or 45%, minimum values were obtained. The tendency of relative crystallinity was not significantly affected by crystallization temperature, but varied with the gel n(SiO2)/n(Al2O3) ratio.

KW - Double template

KW - Molecular sieve

KW - SAPO-11

KW - Synthesis

KW - Wave form

UR - https://www.scopus.com/pages/publications/0036973769

M3 - 文章

AN - SCOPUS:0036973769

SN - 1001-8719

VL - 18

SP - 26

EP - 30

JO - Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)

JF - Shiyou Xuebao, Shiyou Jiagong/Acta Petrolei Sinica (Petroleum Processing Section)

IS - 6

ER -

Synthesis of SAPO-11 molecular sieve with DPA and/or DIPA as templates

Abstract

Keywords

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