No 9 2024
1. Gheorghe MARIA
In memoriam Academician Dr. Eng. Emilian Bratu (1904–1991) – The founder of the chemical engineering education in Roumania. 120 years since his birth
DOI: 10.33224/rrch.2024.69.9.01
Rev. Roum. Chim., 2024, 69(9), 445–468
Key words: Emilian Bratu, in memoriam, 120 years since his birth.
2. Alexandru WOINAROSCHY
The paradigms of chemical engineering
DOI: 10.33224/rrch.2024.69.9.02
Rev. Roum. Chim., 2024, 69(9), 469–473
Key words: chemical engineering, paradigms.
3. Gheorghe JUNCU
Effect of thermal radiation on the conjugate heat transfer from a circular cylinder with an internal heat source in laminar flow
DOI: 10.33224/rrch.2024.69.9.03
Rev. Roum. Chim., 2024, 69(9), 475–482
Key words: conjugate heat transfer; convection-radiation; Rosseland approximation; P1 approximation; finite difference; defect correction – multigrid.
4. Alexandru OZUNU, Elisephane IRANKUNDA, Valeria POP, Zhonghua CUI and Alexandra-Ioana CRĂCIUN
The critical analysis of air pollution and soil pollution with microplastics and heavy metal in Rwanda, Roumania and China
DOI: 10.33224/rrch.2024.69.9.04
Rev. Roum. Chim., 2024, 69(9), 483–490
Key words: air, soil, microplastic, heavy metal, critical analysis
5. Cristiana Luminița GÎJIU, Manuela Rossemary APETROAEI, Miruna-Maria APETROAEI, Raluca ISOPESCU, Mirela ANTON, Ileana RĂU and Verginica Schröder
Optimization of chitosan extraction from crustacean exoskeleton wastes
DOI: 10.33224/rrch.2024.69.9.05
Rev. Roum. Chim., 2024, 69(9), 491–497
Key words: chitosan, marine waste, multiobjective optimization, neural networks.
6. Cristiana Luminița GÎjiu, Raluca Isopescu, Paula Postelnicescu and Daniel DINCULESCU
Heat transfer simulation for injection molding of polylactic acid parts
DOI: 10.33224/rrch.2024.69.9.06
Rev. Roum. Chim., 2024, 69(9), 499–503
Key words: polylactic acid, COMSOL heat transfer simulation.
7. Valentina CIOCAN and Cristiana Luminița GÎJIU
Analysis of the separation of acetonitrile-water mixture
DOI: 10.33224/rrch.2024.69.9.07
Rev. Roum. Chim., 2024, 69(9), 505–510
Key words: acetonitrile, azeotropic mixture, hybrid separation.
8. Khaled S. M. ESSA and Hanaa M. TAHA
Comparison between Gaussian and advection diffusion equation of Eulerian and Lagrangian integral time scales in stable condition
DOI: 10.33224/rrch.2024.69.9.08
Rev. Roum. Chim., 2024, 69(9), 511–518
Key words: variances of Lagrangian and Eulerian velocity, mean-square particle displacement, Gaussian diffusion model, advection diffusion equation, stable condition.