Mostrando 21 - 40 Resultados de 167 Para Buscar '"sapo"', tiempo de consulta: 0.24s Limitar resultados
  1. 21
    “…SAPO-34 nanocrystals with sizes of 50–150 nm were obtained via steam-assisted crystallization (SAC) for 5 h at 200 °C from two types of aluminum precursors—aluminum isopropoxide and boehmite. …”
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  2. 22
    “…Operando UV/Vis spectroscopy with on‐line mass spectrometry was used to study the effect of different types of impurities on the hydrocarbon pool species and the activity of H‐SAPO‐34 as a methanol‐to‐olefins (MTO) catalyst. …”
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  3. 23
    “…When the activity of the hierarchical SAPO‐34 catalysts was evaluated in the industrially relevant Beckmann rearrangement, under liquid‐phase conditions, the enhanced mass‐transport properties of sucrose‐templated hierarchical SAPO‐34 were found to deliver a superior yield of ϵ‐caprolactam.…”
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  4. 24
    “…Adsorption of dimethyl ether and ethene in SAPO-34 zeolite with the calorimetric (adsorption heat versus coverage) curve measured together with the adsorption isotherm showed two phases of adsorption: first, Type 1 adsorption on acid sites, and second, Type 2 adsorption elsewhere in the cages by physisorption that continued with increasing pressure. …”
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  5. 25
    “…[Image: see text] Pt(NH(3))(4)(NO(3))(2), Pt(NH(3))(4)(Ac)(2), (NH(4))(2)PtCl(4), and H(2)PtCl(6) were used to prepare Pt/SAPO-11 catalysts to investigate the effect of Pt precursors on the hydroisomerization of n-dodecane. …”
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  6. 26
    “…Parthenogenetic efficiencies of “Piel de Sapo” genotypes showed a high genotypic dependency during the whole process. …”
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  7. 27
    “…Here we report that some aluminophosphate (AlPO) and silicoaluminophosphate (SAPO) materials with LTA, CHA and AFI structures present lower heats of adsorption of CO(2) (13–25 kJ/mol) than their structurally analogous zeolites at comparable framework charges. …”
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    “…Zeolite SAPO-34 has been widely used in the industry because of its special pore structure and wide distribution of acid sites in the pore channel. …”
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  10. 30
    “…The activity and hydrothermal stability of Cu/SAPO and xMn–2Cu/SAPO for low-temperature selective catalytic reduction of NO(x) with ammonia were investigated. …”
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  11. 31
    por Usman, Muhammad
    Publicado 2022
    “…This mini-review summarizes the role of SAPO-34 zeolite membranes, including mixed matrix membranes (MMMs) and pure SAPO-34 membranes in CO(2) separation. …”
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  12. 32
    “…The SAPO-34/5A bead catalysts resulted in moderate furfural and HMF yields of 45% from xylose and 20% from glucose (463 K; 3 h) and were easier to recover than the SAPO-34 powder catalyst. …”
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  13. 33
  14. 34
    “…[Image: see text] Confined compounds in SAPO-34 cages are important to understand the activation and deactivation mechanisms of the methanol-to-olefin process. …”
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  18. 38
    “…. (‐) Epicathechin would be a promising ingredient for increasing the functional properties of “Piel de Sapo” MJ (phenolic compounds and antioxidant ability) while contributing to improving the safety of this type of juice during prolonged refrigerated storage at 4ºC.…”
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  19. 39
    “…A smart design of hierarchical SAPO-5 acid catalyst using biomass derived monosaccharides as sustainable and low-cost mesoporogens has been developed. …”
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  20. 40
    “…Ce modified MnO(x)/SAPO-34 was prepared and investigated for low-temperature selective catalytic reduction of NO(x) with ammonia (NH(3)-SCR). …”
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