Precipitation of potassium aurocyanide from dipolar aprotic solvents using a supercritical antisolvent

Rajasingam, Rueben; Tran, Tam; Lucien, Frank P.

doi:10.1016/j.supflu.2004.05.001

Cited by 3 publications

(1 citation statement)

References 22 publications

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“…As expected from the volumetric expansion data of hexane with SCO 2 , the precipitation of the astaxanthin complex started at 5 MPa. For a solution, the volumetric expansion of the liquid phase should be independent of the initial volume of the solution once precipitation has occurred at a given temperature and pressure [59]. The data obtained from this work were consistent with this principle.…”

Section: Supercritical Antisolvent Precipitation Of the Astaxanthin C...supporting

confidence: 74%

Recovery and Characterization of Astaxanthin Complex from Prawn Waste Extract and Its Separation Using Antisolvent Precipitation Technique

Vinothkumar¹,

Lucien²,

Paterson³

2023

Agricultural Waste - New Insights

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Most of the prawns are processed as frozen or cooked prawn meat. The remaining waste (heads, tails and shells) is used as a feed supplement or is directly discarded onto the land by food industries, seafood markets and capture fisheries. Disposal onto the land allows prawn waste to decompose easily in the open air and causes high environmental pollution. At the same time, many valuable compounds present in the waste are lost. It has been accepted that those from marine/brackish waters are considered ‘shrimps’ while their counterparts from fresh waters are considered ‘prawns’. There is a need to generate value-added products from these waste materials from an environmental and economical point of view. The recovery of value-added products from waste material is beneficial in two ways: firstly, to solve the waste disposal problem itself and secondly, to generate additional income. This research particularly focuses on the management of prawn waste and this small-scale research was carried out using the hand-peeled waste of school prawns. The major aim of this research is the recovery and characterization of one of the major valuable components of prawn waste called the ‘astaxanthin complex’ and its separation from the organic solvent using the antisolvent precipitation technique, which is an innovative approach.

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Section: Supercritical Antisolvent Precipitation Of the Astaxanthin C...supporting

confidence: 74%

Recovery and Characterization of Astaxanthin Complex from Prawn Waste Extract and Its Separation Using Antisolvent Precipitation Technique

Vinothkumar¹,

Lucien²,

Paterson³

2023

Agricultural Waste - New Insights

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High-pressure fluid-phase equilibria: Experimental methods and systems investigated (2005–2008)

Fonseca

Dohrn

Peper

2011

Fluid Phase Equilibria

248

155

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Excess molar enthalpies for binary mixtures related to supercritical antisolvent precipitation: Carbon dioxide +N-methyl-2-pyrrolidone

Dávila

Cabañas

Pando

2007

The Journal of Supercritical Fluids

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Precipitation of potassium aurocyanide from dipolar aprotic solvents using a supercritical antisolvent

Cited by 3 publications

References 22 publications

Recovery and Characterization of Astaxanthin Complex from Prawn Waste Extract and Its Separation Using Antisolvent Precipitation Technique

Recovery and Characterization of Astaxanthin Complex from Prawn Waste Extract and Its Separation Using Antisolvent Precipitation Technique

High-pressure fluid-phase equilibria: Experimental methods and systems investigated (2005–2008)

Excess molar enthalpies for binary mixtures related to supercritical antisolvent precipitation: Carbon dioxide +N-methyl-2-pyrrolidone

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