[go: up one dir, main page]

Gobara, 2016 - Google Patents

Synthesis, Mechanisms and Different Applications of Mesoporous Materials Based on Silica and Alumina

Gobara, 2016

View PDF
Document ID
18273198134985962461
Author
Gobara H
Publication year
Publication venue
Egyptian Journal of Chemistry

External Links

Snippet

SILICATE mesoporous materials have received widespread interest….. because of their potential applications. These novel materials, prepared either by soft-or hard-templating syntheses, become more and more important in many fields of science and technology such …
Continue reading at journals.ekb.eg (PDF) (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
    • C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compound thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
    • C01B39/04—Crystalline aluminosilicate zeolites; Isomorphous compound thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
    • C01B37/02—Crystalline silica-polymorphs, e.g. silicalites dealuminated aluminosilicate zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/02—Solids
    • B01J35/10—Solids characterised by their surface properties or porosity
    • B01J35/1052—Pore diameter
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J29/00—Catalysts comprising molecular sieves
    • B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology

Similar Documents

Publication Publication Date Title
Naik et al. A review on chemical methodologies for preparation of mesoporous silica and alumina based materials
Chen et al. Synthesis and photocatalytic performances of the TiO2 pillared montmorillonite
Romero et al. Aluminosilicate mesoporous molecular sieve MCM-48
US5795559A (en) Porous inorganic oxide materials prepared by non-ionic surfactant templating route
Cai et al. Synthesis of nanorod-like mesoporous γ-Al2O3 with enhanced affinity towards Congo red removal: Effects of anions and structure-directing agents
Lv et al. Generalized synthesis of core–shell structured nano-zeolite@ ordered mesoporous silica composites
JP6238377B2 (en) Small crystal ZSM-5, its synthesis and use
Meléndez-Ortiz et al. Synthesis of spherical SBA-15 mesoporous silica. Influence of reaction conditions on the structural order and stability
Na et al. Cyclic diquaternary ammoniums for nanocrystalline BEA, MTW and MFI zeolites with intercrystalline mesoporosity
Li et al. Template-free synthesis of kaolin-based mesoporous silica with improved specific surface area by a novel approach
KR101444939B1 (en) Single-phase GIS-NaP1 Zeolite And A Method Of Manufacturing The Same
Shen et al. Solid‐Based Hydrothermal Synthesis and Characterization of Alumina Nanofibers with Controllable Aspect Ratios
Gao et al. Mercaptosilane-assisted synthesis of sub-nanosized Pt particles within hierarchically porous ZSM-5/SBA-15 materials and their enhanced hydrogenation properties
Yu-de et al. Synthesis and characterization of mesoporous TiO2 with wormhole-like framework structure
Prasanth et al. Hydrogen sorption in transition metal modified mesoporous materials
Anbia et al. Desulfurization of gasoline using novel mesoporous carbon adsorbents
Niu et al. Chelating template-induced encapsulation of NiO cluster in mesoporous silica via anionic surfactant-templated route
Hari Krishna Charan et al. Investigation of chromium oxide clusters grafted on SBA-15 using Cr-polycation sol
Gobara Synthesis, Mechanisms and Different Applications of Mesoporous Materials Based on Silica and Alumina
Claure Zeballos et al. Mesoporous Silicoaluminate materials (MCM-41, SBA-15 and MCF) by atrane route for Cobalt Catalyst
Mokhonoana et al. Synthesis of [Si]-MCM-41 from TEOS and water glass: the water glass-enhanced condensation of TEOS under alkaline conditions
US7635462B2 (en) Method of making porous crystalline materials
Pu et al. Characterization and investigation mechanism of hydrothermal stability for micropore-free ordered mesoporous molecular sieves
JP2023103968A (en) Sheet-shaped crystalline aluminosilicate aggregate and method for producing the same
CN103230771A (en) Zirconium-doped porous heterogeneous mesoporous acid material and preparation method thereof