ZSM-5 zeolite was synthesized in system containing ethylenediamine from the initial gel:(5-8)Na2O:44 EDA:A12O3:100 SiO2:4000 H2O. The crystals were lath-shaped. The effects of pretreatment and alkalinity on crystallinity were investigated. The pretreatment of silicate source can cut down the crystallization time. Tuning the system alkalinity and controlling crystallization time can ensure forming of pure crystal.
机构:
Liaoning Univ Petr & Chem Technol, Dept Petrochem Technol, Liaoning, Peoples R China
Prod Engn & Res Inst Daqing Oil Field Co Ltd, Daqing, Peoples R ChinaLiaoning Univ Petr & Chem Technol, Dept Petrochem Technol, Liaoning, Peoples R China
Wang, J.
Cao, Z.
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Liaoning Univ Petr & Chem Technol, Dept Petrochem Technol, Liaoning, Peoples R ChinaLiaoning Univ Petr & Chem Technol, Dept Petrochem Technol, Liaoning, Peoples R China
Cao, Z.
Liu, H.
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Explorat & Dev Res Inst Daqing Oil Field Co Ltd, Daqing, Peoples R ChinaLiaoning Univ Petr & Chem Technol, Dept Petrochem Technol, Liaoning, Peoples R China
机构:
Korea Inst Geosci & Mineral Resources, Yoosung Ku, Taejon 305350, South KoreaKorea Inst Geosci & Mineral Resources, Yoosung Ku, Taejon 305350, South Korea
Kim, DJ
Chung, HS
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Korea Inst Geosci & Mineral Resources, Yoosung Ku, Taejon 305350, South KoreaKorea Inst Geosci & Mineral Resources, Yoosung Ku, Taejon 305350, South Korea