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8 Results Found

  • Feature Paper
  • Article
  • Open Access
1,251 Views
11 Pages

18 March 2025

The thermochemical properties of three sulfur-containing furan derivatives, 2-furanmethanethiol, furfuryl methyl sulfide, and methyl 2-methyl-3-furyl disulfide, were investigated using experimental and theoretical methods. Standard molar enthalpies o...

  • Article
  • Open Access
3 Citations
2,459 Views
14 Pages

Thermochemical Research on Furfurylamine and 5-Methylfurfurylamine: Experimental and Computational Insights

  • Luísa M. P. F. Amaral,
  • Ana R. R. P. Almeida and
  • Manuel A. V. Ribeiro da Silva

The need to transition from fossil fuels to renewables arises from factors such as depletion, price fluctuations, and environmental considerations. Lignocellulosic biomass, being abundant, and quickly renewable, and not interfering with food supplies...

  • Article
  • Open Access
3 Citations
2,109 Views
16 Pages

Thermodynamic Properties of γ- and δ-Lactones: Exploring Alkyl Chain Length Effect and Ring-Opening Reactions for Green Chemistry Applications

  • Ana L. R. Silva,
  • Gastón P. León,
  • Vladimír Lukeš,
  • Erik Klein and
  • Maria D. M. C. Ribeiro da Silva

18 January 2025

An extensive thermochemical study of γ-undecanolactone and δ-undecanolactone has been developed using two complementary calorimetric techniques. The combustion energy of each compound was determined by static-bomb combustion calorimetry,...

  • Article
  • Open Access
2 Citations
2,208 Views
16 Pages

Determination and Analysis of Thermodynamic Properties of Methyl Methylanthranilate Isomers

  • Carlos A. O. Silva,
  • Vera L. S. Freitas and
  • Maria D. M. C. Ribeiro da Silva

18 September 2023

The enthalpies of formation in the gaseous phase of methyl 3-methylanthranilate and methyl 5-methylanthranilate were determined from experimental measurements of the corresponding standard energies of combustion, obtained from combustion calorimetry,...

  • Article
  • Open Access
1 Citations
3,389 Views
8 Pages

21 December 2021

The determination of the reliable thermodynamic properties of 2-benzoxazolinone derivatives is the main goal of this work. Some correlations are established between the energetic properties determined and the structural characteristics of the title c...

  • Feature Paper
  • Article
  • Open Access
49 Citations
6,473 Views
19 Pages

CO2 Capture with Mesoporous Silicas Modified with Amines by Double Functionalization: Assessment of Adsorption/Desorption Cycles

  • Kléver Santiago Sánchez-Zambrano,
  • Lairana Lima Duarte,
  • Débora Aline Soares Maia,
  • Enrique Vilarrasa-García,
  • Moisés Bastos-Neto,
  • Enrique Rodríguez-Castellón and
  • Diana Cristina Silva de Azevedo

25 May 2018

CO2 adsorption on mesoporous silica modified with amine by double functionalization was studied. Adsorption microcalorimetry was used in order to investigate the influence of increasing the nitrogen surface density on double functionalized materials...

  • Article
  • Open Access
1 Citations
2,536 Views
10 Pages

28 November 2020

The energetic study of 6-hydroxy-1-indanone and 7-hydroxy-1-indanone was performed using experimental techniques and computational calculations. The enthalpies of combustion and sublimation of the two compounds were determined and allowed to derive t...

  • Article
  • Open Access
1 Citations
1,940 Views
12 Pages

13 September 2023

This experimental and computational study on the energetic properties of 2-methyl-, 3-methyl-, 4-methoxy- and 5-methoxy-indanones has been carried out using mostly calorimetric techniques and a suitable computational approach. The combustion and subl...