Synthesis of Sm‐TADDbBP@MCM‐41 as a Robust, Reusable, and Practical Nanocatalyst in the Homoselective [2 + 3] Cycloaddition Reaction
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DOI: 10.1002/aoc.7791
Abstract: Schiff‐base materials are known ligands for the coordination of metal ions and the synthesis of various stable and useful complexes. Therefore, herein, a novel Schiff‐base compound {2,2′‐((1E,11E)‐2,5,8,11‐tetra azadodeca‐1,11‐diene‐1,12‐diyl) bis (4‐bromophenol)} was introduced that formed from… read more here.
Keywords: schiff base; mcm nanocatalyst; taddbbp mcm; mcm ... See more keywords
Effects of Acid Sites on Thin MCM‐22 Zeolite Catalysts and Their Catalytic Applications for Acetylene Aromatization
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DOI: 10.1002/cctc.202401302
Abstract: Two types of thin zeolite MCM‐22 catalysts were prepared by using a carbon sphere template. By applying different calcination methods, a hollow sphere‐type MCM‐22 catalyst (HS‐MCM‐22) and a nanosheet‐type MCM‐22 catalyst (NS‐MCM‐22) were synthesized. Those… read more here.
Keywords: zeolite; thin mcm; mcm catalyst; mcm ... See more keywords
Maximum Matching on Trees in the Online Preemptive and the Incremental Graph Models
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DOI: 10.1007/s00453-019-00593-6
Abstract: We study the Maximum Cardinality Matching (MCM) and the Maximum Weight Matching (MWM) problems, on trees and on some special classes of graphs, in the online preemptive and the incremental graph models. In the Online… read more here.
Keywords: algorithm; model; graph; online preemptive ... See more keywords
Selective extraction of aliphatic amines by functionalized mesoporous silica-coated solid phase microextraction Arrow
Sign Up to like & getrecommendations! Published in 2019 at "Mikrochimica Acta"
DOI: 10.1007/s00604-019-3523-5
Abstract: AbstractMesoporous silica-coated solid phase microextraction (SPME) Arrow systems were developed for capturing of low-molecular-weight aliphatic amines (LMWAAs) from complicated sample matrices. Specifically, silicas of type MCM-41, SBA-15 and KIT-6 were chosen as substrates to afford… read more here.
Keywords: aliphatic amines; mcm; phase microextraction; solid phase ... See more keywords
Goal programming model for optimal water allocation of limited resources under increasing demands
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DOI: 10.1007/s10668-020-00856-1
Abstract: A multi-objective model has been applied for optimal allocation of water from limited resources to meet increasing demands in multiple sectors. The study region is Saudi Arabia, while the time span is from 2020 to… read more here.
Keywords: limited resources; water; mcm; model ... See more keywords
Hydrophilicity modification of MCM-41 with polyethylene glycol and supported ruthenium for benzene hydrogenation to cyclohexene
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Porous Materials"
DOI: 10.1007/s10934-018-0677-1
Abstract: Hydrophilic polyethylene glycol (PEG) modified MCM-41 and supported ruthenium catalyst were prepared, characterized and tested for benzene hydrogenation to cyclohexene. Ruthenium supported on PEG modified MCM-41 exhibits much better catalytic property than the unmodified catalyst.… read more here.
Keywords: benzene hydrogenation; supported ruthenium; mcm; polyethylene glycol ... See more keywords
Fe–Mn/MCM-41: Preparation, Characterization, and Catalytic Activity for Methyl Orange in the Process of Heterogeneous Fenton Reaction
Sign Up to like & getrecommendations! Published in 2018 at "Transactions of Tianjin University"
DOI: 10.1007/s12209-018-0122-1
Abstract: Active Fe- and Mn-loaded MCM-41 (Fe–Mn/MCM-41), which was synthesized via a hydrothermal reaction followed by impregnation, is used in the heterogeneous Fenton reaction to degrade methyl orange (MO) in aqueous solution. The synthesized samples were… read more here.
Keywords: microscopy; process; mcm; heterogeneous fenton ... See more keywords
Performance of the MCM-41-NH2 Functionalized Mesoporous Material Synthetized from the Rice Husk Ash on the Removal of the Polycyclic Aromatic Hydrocarbons
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DOI: 10.1007/s12633-019-00289-0
Abstract: In this work, the authors propose of the synthesis of a new adsorbent functionalized mesoporous material (MCM-41-NH2 (RHA)) from the Brazilian rice husk for the removal of the polycyclic aromatic hydrocarbons (PAHs). The new MCM-41-NH2… read more here.
Keywords: nh2 rha; removal; mcm; mcm nh2 ... See more keywords
Production of MCM-41 and SBA-15 Hybrid Silicas from Industrial Waste
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DOI: 10.1007/s12633-020-00831-5
Abstract: MCM-41 and SBA-15 have many applications in chemical processes. However, the high cost of producing these materials limits their applications to a large-scale. To reduce production costs and promote recycling of industrial waste, this study… read more here.
Keywords: mcm sba; sba hybrid; industrial waste; hybrid silicas ... See more keywords
Amine-impregnated MCM-41 in post-combustion CO2 capture: Synthesis, characterization, isotherm modelling
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DOI: 10.1016/j.apt.2019.09.032
Abstract: Abstract In this study, a composite mesoporous silica material MCM-41 (Mobil composite matter) is impregnated with monoethanolamine (MEA) as primary linear amine, benzylamine (BZA) as primary cyclic amine and N-(2-aminoethyl) ethanolamine (AEEA) as secondary diamine… read more here.
Keywords: adsorption; amine impregnated; impregnated mcm; co2 ... See more keywords
Microwave-assisted co-pyrolysis of lignin and waste oil catalyzed by hierarchical ZSM-5/MCM-41 catalyst to produce aromatic hydrocarbons.
Sign Up to like & getrecommendations! Published in 2019 at "Bioresource technology"
DOI: 10.1016/j.biortech.2019.121609
Abstract: Microwave-assisted catalytic fast co-pyrolysis (MACFP) of lignin and waste oil with SiC as microwave absorbent and hierarchical ZSM-5/MCM-41 as catalyst were implemented in a microwave-induced reactor. ZSM-5/MCM-41 is a kind of composite catalyst with MCM-41… read more here.
Keywords: mcm; catalyst; waste oil; lignin waste ... See more keywords