Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite

Ikechukwu Abuchi Nnanwube; Vincent Nwoye Okafor; John Ifeanyi Obıbuenyı; Okechukwu Dominic Onukwulı; Regina Obiageli Ajemba

Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite

Abstract

Response surface methodology (RSM) and genetic algorithm (GA) were employed to determine the optimum conditions for the removal of pigments from palm oil using Ogbunike clay activated with hydrochloric acid. The physicochemical characterization of the clay showed that it exists mainly as kaolinite. The process variables and ranges used in the experimental design were 75 – 150 oC bleaching temperature, 1.50 – 3.00 hours bleaching time, 1.25 -5.50 g clay dosage and 0.05 – 0.40 mm particle size. The analysis of variance (ANOVA) showed that a second order polynomial regression equation was adequate for fitting the experimental data. The model statistical tests carried out showed a good correlation between the experimental and predicted values (R2 = 0.9964). About 73.35 % pigments were removed using RSM while 71.34% pigments were removed using genetic algorithm at the optimum conditions. Hence, Ogbunike kaolinite proved to be a good adsorbent for pigments removal from palm oil.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Ikechukwu Abuchi Nnanwube This is me
0000-0002-0990-9566
Nigeria

Vincent Nwoye Okafor This is me
0000-0002-0085-5442
Nigeria

John Ifeanyi Obıbuenyı This is me
0000-0001-6283-4711
Nigeria

Okechukwu Dominic Onukwulı This is me
0000-0002-0861-3536
Nigeria

Regina Obiageli Ajemba This is me
0000-0003-4557-350X
Nigeria

Publication Date

March 27, 2020

Submission Date

October 6, 2019

Acceptance Date

December 4, 2019

Published in Issue

Year 2020 Volume: 38 Number: 1

IZ

https://izlik.org/JA73PC99FY

Cite

RIS / Bibtex

APA

Nnanwube, I. A., Okafor, V. N., Obıbuenyı, J. I., Onukwulı, O. D., & Ajemba, R. O. (2020). Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite. Sigma Journal of Engineering and Natural Sciences, 38(1), 253-262. https://izlik.org/JA73PC99FY

AMA

1.Nnanwube IA, Okafor VN, Obıbuenyı JI, Onukwulı OD, Ajemba RO. Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite. SIGMA. 2020;38(1):253-262. https://izlik.org/JA73PC99FY

Chicago

Nnanwube, Ikechukwu Abuchi, Vincent Nwoye Okafor, John Ifeanyi Obıbuenyı, Okechukwu Dominic Onukwulı, and Regina Obiageli Ajemba. 2020. “Optimization of Colour Pigments Removal from Palm Oil Using Activated Ogbunike Kaolinite”. Sigma Journal of Engineering and Natural Sciences 38 (1): 253-62. https://izlik.org/JA73PC99FY.

EndNote

Nnanwube IA, Okafor VN, Obıbuenyı JI, Onukwulı OD, Ajemba RO (March 1, 2020) Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite. Sigma Journal of Engineering and Natural Sciences 38 1 253–262.

IEEE

[1]I. A. Nnanwube, V. N. Okafor, J. I. Obıbuenyı, O. D. Onukwulı, and R. O. Ajemba, “Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite”, SIGMA, vol. 38, no. 1, pp. 253–262, Mar. 2020, [Online]. Available: https://izlik.org/JA73PC99FY

ISNAD

Nnanwube, Ikechukwu Abuchi - Okafor, Vincent Nwoye - Obıbuenyı, John Ifeanyi - Onukwulı, Okechukwu Dominic - Ajemba, Regina Obiageli. “Optimization of Colour Pigments Removal from Palm Oil Using Activated Ogbunike Kaolinite”. Sigma Journal of Engineering and Natural Sciences 38/1 (March 1, 2020): 253-262. https://izlik.org/JA73PC99FY.

JAMA

1.Nnanwube IA, Okafor VN, Obıbuenyı JI, Onukwulı OD, Ajemba RO. Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite. SIGMA. 2020;38:253–262.

MLA

Nnanwube, Ikechukwu Abuchi, et al. “Optimization of Colour Pigments Removal from Palm Oil Using Activated Ogbunike Kaolinite”. Sigma Journal of Engineering and Natural Sciences, vol. 38, no. 1, Mar. 2020, pp. 253-62, https://izlik.org/JA73PC99FY.

Vancouver

1.Ikechukwu Abuchi Nnanwube, Vincent Nwoye Okafor, John Ifeanyi Obıbuenyı, Okechukwu Dominic Onukwulı, Regina Obiageli Ajemba. Optimization of colour pigments removal from palm oil using activated ogbunike kaolinite. SIGMA [Internet]. 2020 Mar. 1;38(1):253-62. Available from: https://izlik.org/JA73PC99FY