Design and Feasibility Analysis of Commercial Silver-Based Solvent Extraction of Omega-3 PUFA

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Adam A Donaldson
Adam A Donaldson
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Kirubanandan Shanmugam
Kirubanandan Shanmugam
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Andrew Neima
Andrew Neima
α Dalhousie University Dalhousie University

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Design and Feasibility Analysis of Commercial Silver-Based Solvent Extraction of Omega-3 PUFA

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Abstract

Afish oil processing facility was designed and evaluated for the annual extraction of 2.5 ktonnes of Omega-3 polyunsaturated fatty acids from 18/12EE fish oils by liquid-liquid solvent extraction through the use of a silver-based solvent. Using experimentally derived extraction efficiencies obtained with commercial 18/12EE fish oil, a plug-flow reactor configuration is proposed to significantly reduce silver solvent inventory requirements relative to conventional batch processes, corresponding to an initial capital reduction of ~$40 million at this scale. Evaluation of the proposed facilityresulted in capital costs of $4.9 million, annual operating costs of $7.7million, and a yearly gross revenue of $21.0 million. Considering the expensive solvent used, the profitability of the proposed process is highly dependent on the amount of solvent required to fill the vessels, and on the recovery efficiency following de-complexation of the Omega-3 and silver ions. Depending on market conditions, a number of recovery methods are discussed and evaluated, with specific emphasis placed on chemical, thermal or electrolytic methods.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Adam A Donaldson. 2015. \u201cDesign and Feasibility Analysis of Commercial Silver-Based Solvent Extraction of Omega-3 PUFA\u201d. Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 15 (GJRE Volume 15 Issue J5): .

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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GJRE-J Classification: FOR Code: 291899
Version of record

v1.2

Issue date

October 29, 2015

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en
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Afish oil processing facility was designed and evaluated for the annual extraction of 2.5 ktonnes of Omega-3 polyunsaturated fatty acids from 18/12EE fish oils by liquid-liquid solvent extraction through the use of a silver-based solvent. Using experimentally derived extraction efficiencies obtained with commercial 18/12EE fish oil, a plug-flow reactor configuration is proposed to significantly reduce silver solvent inventory requirements relative to conventional batch processes, corresponding to an initial capital reduction of ~$40 million at this scale. Evaluation of the proposed facilityresulted in capital costs of $4.9 million, annual operating costs of $7.7million, and a yearly gross revenue of $21.0 million. Considering the expensive solvent used, the profitability of the proposed process is highly dependent on the amount of solvent required to fill the vessels, and on the recovery efficiency following de-complexation of the Omega-3 and silver ions. Depending on market conditions, a number of recovery methods are discussed and evaluated, with specific emphasis placed on chemical, thermal or electrolytic methods.

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Design and Feasibility Analysis of Commercial Silver-Based Solvent Extraction of Omega-3 PUFA

Kirubanandan Shanmugam
Kirubanandan Shanmugam
Andrew Neima
Andrew Neima
Adam A Donaldson
Adam A Donaldson Dalhousie University

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