dor_id: 45880

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/16/16

100.1.#.a: Chinedu Onwuka, Jude; Bolanle Agbaji, Edith; Olatunji Ajibola, Victor; Godwin Okibe, Friday

524.#.#.a: Chinedu Onwuka, et al. (2016). Kinetic studies of surface modification of lignocellulosic Delonix regia podsas sorbent for crude oil spill in water. Journal of Applied Research and Technology; Vol. 14 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45880

245.1.0.a: Kinetic studies of surface modification of lignocellulosic Delonix regia podsas sorbent for crude oil spill in water

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2016

264.#.1.c: 2016-12-01

653.#.#.a: Delonix regia pods; Acetylation; Pore analysis; Fibermetrics; Kinetics; Crude oil sorption

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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041.#.7.h: eng

520.3.#.a: Acetylation method was used in the modification of Delonix regia pods (DRPs) as sorbent for crude oil cleanup in water. Fourier transform infra-red (FTIR) and scanning electron microscope (SEM) analysis were used to investigate the influence of acetylation and crude oil sorption on the sorbent (DRPs). Reaction conditions played significant roles on the extent of acetylation of DRPs. Temperatures of 303 K and 343 K were found to be the most suitable acetylation temperatures of DRPs. Intra-particle diffusion was the rate controlling mechanism for acetylating DRPs while the contributing mechanisms depend on the temperature of acetylation. The crude oil sorption capacity (OSC) of modified DRPs was significantly higher than that of unmodified DRPs. Physical and chemical reactions were faster in the crude oil sorption by modified DRPs than the unmodified while diffusion into the pores of the modified DRPs was slower than in the unmodified. Hydrophobic functional groups were enhanced by acetylation and crude oil molecules were adsorbed at these functional groups. Surface structure, pore sizes and fiber lengths of the sorbent were affected by acetylation and crude oil sorption. FTIR and SEM showed clear evidence of successful acetylation and crude oil sorption. Analysis of variance (ANOVA) was used to determine the statistical difference of weight percent gain (WPG) obtained from the acetylation of DRPs at different reaction parameters such as temperature and time. The OSC of modified and unmodified sorbents at various contact times, were also compared using ANOVA.

773.1.#.t: Journal of Applied Research and Technology; Vol. 14 Núm. 6

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

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doi: https://doi.org/10.22201/icat.16656423.2016.14.6.16

harvesting_date: 2023-11-08 13:10:00.0

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Artículo

Kinetic studies of surface modification of lignocellulosic Delonix regia podsas sorbent for crude oil spill in water

Chinedu Onwuka, Jude; Bolanle Agbaji, Edith; Olatunji Ajibola, Victor; Godwin Okibe, Friday

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Chinedu Onwuka, et al. (2016). Kinetic studies of surface modification of lignocellulosic Delonix regia podsas sorbent for crude oil spill in water. Journal of Applied Research and Technology; Vol. 14 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45880

Descripción del recurso

Autor(es)
Chinedu Onwuka, Jude; Bolanle Agbaji, Edith; Olatunji Ajibola, Victor; Godwin Okibe, Friday
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Kinetic studies of surface modification of lignocellulosic Delonix regia podsas sorbent for crude oil spill in water
Fecha
2016-12-01
Resumen
Acetylation method was used in the modification of Delonix regia pods (DRPs) as sorbent for crude oil cleanup in water. Fourier transform infra-red (FTIR) and scanning electron microscope (SEM) analysis were used to investigate the influence of acetylation and crude oil sorption on the sorbent (DRPs). Reaction conditions played significant roles on the extent of acetylation of DRPs. Temperatures of 303 K and 343 K were found to be the most suitable acetylation temperatures of DRPs. Intra-particle diffusion was the rate controlling mechanism for acetylating DRPs while the contributing mechanisms depend on the temperature of acetylation. The crude oil sorption capacity (OSC) of modified DRPs was significantly higher than that of unmodified DRPs. Physical and chemical reactions were faster in the crude oil sorption by modified DRPs than the unmodified while diffusion into the pores of the modified DRPs was slower than in the unmodified. Hydrophobic functional groups were enhanced by acetylation and crude oil molecules were adsorbed at these functional groups. Surface structure, pore sizes and fiber lengths of the sorbent were affected by acetylation and crude oil sorption. FTIR and SEM showed clear evidence of successful acetylation and crude oil sorption. Analysis of variance (ANOVA) was used to determine the statistical difference of weight percent gain (WPG) obtained from the acetylation of DRPs at different reaction parameters such as temperature and time. The OSC of modified and unmodified sorbents at various contact times, were also compared using ANOVA.
Tema
Delonix regia pods; Acetylation; Pore analysis; Fibermetrics; Kinetics; Crude oil sorption
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

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