This study investigates the efficacy of activated carbons (ACs) derived from Tamarix gallica (TG) leaves for glyphosate removal aqueous solutions. Two chemical activation methods, using phosphoric acid (H3PO4) and sulfuric (H2SO4), were compared to optimize adsorbent performance. The resulting materials, labeled AC-H3PO4 AC-H2SO4, comprehensively characterized XRD, FTIR, SEM-EDS, BET analysis, pHpzc determination, revealing distinct physicochemical properties. exhibited a larger surface area...

In this paper, the liquid–liquid equilibrium of twenty two ternary and quaternary systems relevant for food industry was modeled using NRTL UNIQUAC equations Flower Pollination Algorithm (FPA). FPA is an emerging nature-inspired stochastic global optimization method it has been used LLE parameter identification local composition models in multicomponent mixtures. its modified version (MFPA) were assessed solving estimation problems several industry. Thenumerical performance these methods...

Free‐surface flow past two inclined plate is considered. The “Riabouchinsky model” has been chosen to close the cavitiy. fluid assumed be inviscid and incompressible dimensional, steady, irrotational. Surface tension included in dynamic boundary conditions, but effects of gravity are neglected. problem solved numerically using integral equation techniques. More specifically, numerical method used based on an integro‐differential reformulation. Numerical solutions found for different values...

Tie-line data were determined for the systems (water + N,N-dimethylacetamide 1-pentanol) and 1-hexanol) at temperatures of 298.15 308.15 K under 101.1 KPa. The phase diagrams these are type I according to Treyball classification. thermodynamic consistency measured tie-line was verified using Hand Othmer–Tobias equations. distribution ratios (D) selectivity (S) values computed assess extracting behaviors selected solvents. experimental correlated nonrandom two liquid universal quasichemical...

<p style='text-indent:20px;'>In this paper, a numerical approximation solution of space-time fractional diffusion equation (FDE), involving Caputo-Katugampola derivative is considered. Stability and convergence the proposed scheme are discussed using mathematical induction. Finally, method validated through simulation results different examples.</p>

In this study, a novel approach employing the Perturbed-Chain Statistical Associating Fluid Theory (PC-SAFT) Equation of State was introduced to investigate azeotropic behavior in ternary mixtures and explore their liquid-vapor equilibria. The temperature range spans (243.15323.5) K, covering broad spectrum conditions relevant industrial chemical processes. Our analysis focuses on six different mixtures: Difluoromethane (R32) + 1,1-difluoroethane (R152a) 2,3,3,3-tetrafluoropro-1-ene...

Surface tension effect on a two-dimensional channel flow against an inclined wall is considered. The assumed to be steady, irrotational, inviscid and incompressible. of surface taken into account the gravity neglected. Numerical solutions are obtained via series truncation procedure. problem solved numerically for various values Weber number α inclination angle β between horizontal bottom wall.

The problem of steady two-dimensional flow a fluid finite depth over successive obstacles is considered. Both gravity and surface tension are taken into account in the dynamic boundary conditions. assumed to be inviscid, incompressible irrotational. characterized by two parameters, Froude number $Fr$ inverse Weber $\delta$. fully non-linear solved numerically using integral equation technique. numerical solutions for sub-critical ($Fr < 1$) supercritical ($Fr>1)$ presented various values...

The effect of NaCl on the LLE data for ternary system, water + 1-propanol hexane, were determined at 298Kunder atmospheric pressure. curve solubility and tie-line this system by experimental analysis. results showed that addition significantly affected two-phase region enlargement occurred with an increase salt concentration in initial aqueous phase. Distribution coefficients separation factors also calculated compared different concentrations. In addition, correlated NRTL model. Also,...

This study aims to estimate the solute transport parameters in saturated porous media using a hybrid algorithm. In this study, Physical Non-Equilibrium (PNE) model was used to describe of solutes media. A numerical solution for PNE is obtained Finite Volume Method (FVM) based on Ttri-Diagonal Matrix Algorithm (TDMA). The developed program, written Matlab, capable solve advection-dispersion (ADE) and equations mobile -immobile (MIM)model with linear sorption isotherm. Solute parameters,...

Accurate modeling of solute transport in porous media is crucial for remediation contaminants soils and aquifers. In the present study, physical nonequilibrium (PNE) model used to describe solutes media. A numerical solution PNE obtained using finite volume method (FVM) based on tridiag-onal matrix algorithm (TDMA). The developed program, written MATLAB, capable solving advection-dispersion equations (ADEs) coupled with nonlinear Freundlich isotherm. then simulate experimental breakthrough...

Free-surface flow over a triangular obstacle is considered.The fluid assumed to be inviscid, incompressible and the steady irrotational.Both gravity surface tension are included in dynamic boundary condition.Far upstream, uniform.The problem solved numerically using integral equation method.The by first deriving integro-differential equations.These equations discretized resulting nonlinear algebraic Newton method.When included, there two additional parameters known as Weber number Froude number.