Effect of Temperature on Extraction of Castor Oil from Castor Seeds Using Potential Green Solvents - Advances in Chemical Engineering and Science

ACES > Vol.13 No.4, October 2023

Advances in Chemical Engineering and Science

Volume 13, Issue 4 (October 2023)

ISSN Print: 2160-0392 ISSN Online: 2160-0406

Google-based Impact Factor: 1.22 Citations

Effect of Temperature on Extraction of Castor Oil from Castor Seeds Using Potential Green Solvents ()

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Download as PDF (Size: 2459KB) PP. 301-317

DOI: 10.4236/aces.2023.134021 249 Downloads 1,616 Views Citations

Author(s)

Zinhle Innocentia Mkhize¹, Peterson Thokozani Ngema^1*, Suresh Ramsuroop^2*

Affiliation(s)

¹Department of Chemical Engineering, Green Engineering Group-Chemical Thermodynamics, Steve Biko Campus, Durban University of Technology, Durban, South Africa.
²Department of Chemical Engineering, Cape Peninsula University of Technology, Cape Town, South Africa.

ABSTRACT

Extraction of castor oil from castor seeds was investigated using different green solvents which include d-limonene, p-cymene, α-pinene, ethanol, and furfural at the temperature range of (323 - 413) K. The Soxhlet extraction method was employed to investigate the effect of temperature at atmospheric pressure. The focus of the study was to investigate a potential green solvent that can produce the high yields compared to the traditional solvent (hexane). The results show that at the average time of 3 hours and 30 minutes, the castor oil yield for green solvents were ranked as furfural (47.13%) > ethanol (45.37%) > p-cymene (39.15%) > d-limonene (39.13%) > α-pinene (38.11%). These castor oil yields were obtained at optimum temperatures for each green solvent. The castor oil yields were compared to the yield of hexane (31.36%) at same average time. The green solvents were recovered by using simple distillation, except furfural which was difficult to be recovered.

KEYWORDS

Castor Oil, Yield, Soxhlet Extraction, Green Solvents

Share and Cite:

Mkhize, Z.I., Ngema, P.T. and Ramsuroop, S. (2023) Effect of Temperature on Extraction of Castor Oil from Castor Seeds Using Potential Green Solvents. Advances in Chemical Engineering and Science, 13, 301-317. doi: 10.4236/aces.2023.134021.

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