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Extraction: Advanced Methods

Extraction: Advanced Methods

Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...

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Modelling tyramine extraction from wastewater using a non-dispersive solvent extraction process.

Mahdi Ghadiri^1,2, Alireza Hemmati³, Ali Taghvaie Nakhjiri⁴

¹Informetrics Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam. mahdi.ghadiri@tdtu.edu.vn.

Environmental Science and Pollution Research International

|July 10, 2020

Summary

This study models tyramine extraction from wastewater using hollow fibre membrane technology. Optimizing flow rates and membrane properties enhances extraction efficiency, crucial for environmental protection in alkaloid processing.

Keywords:

Extraction Membranes Modelling Simulation Tyramine

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Area of Science:

Environmental Engineering
Chemical Engineering
Separation Processes

Background:

Wastewater effluent from alkaloid processing plants poses environmental risks.
Effective removal of contaminants like tyramine is essential for environmental protection.

Purpose of the Study:

To investigate tyramine extraction from wastewater using a hollow fibre membrane extractor.
To develop and validate a mathematical model for mass and momentum transfer in the extractor.

Main Methods:

Computational Fluid Dynamics (CFD) simulations were employed.
Conservation equations for tyramine extraction were solved using the finite element method.
Model predictions were validated against experimental data.

Main Results:

Increased organic-phase flow rate positively impacts extraction performance.
Enhanced fibre length and porosity improve extractor efficiency.
Higher aqueous-phase flow rate reduces tyramine extraction efficiency.

Conclusions:

CFD modeling provides a reliable method for optimizing membrane extraction processes.
Process parameters like flow rates and membrane characteristics are critical for effective tyramine removal.
The study offers insights for designing efficient wastewater treatment systems for alkaloid processing plants.