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Danlami, J.M., Arsad, A. and Zaini, M.A. (2015) Characterization and Process Optimization of Castor Oil (Ricinus communis L.) Extracted by the Soxhlet Method Using Polar and Non-Polar Solvents. Journal of the Taiwan Institute of Chemical Engineers, 47, 99-104.
https://doi.org/10.1016/j.jtice.2014.10.012

has been cited by the following article:

• TITLE: Effect of Temperature on Extraction of Castor Oil from Castor Seeds Using Potential Green Solvents

  AUTHORS: Zinhle Innocentia Mkhize, Peterson Thokozani Ngema, Suresh Ramsuroop

  KEYWORDS: Castor Oil, Yield, Soxhlet Extraction, Green Solvents

  JOURNAL NAME: Advances in Chemical Engineering and Science, Vol.13 No.4, September 28, 2023

  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.