Evolution and characterization of eggshell as a potential candidate of raw material

Zaman, Tasmia; Mostari, Mst. Sharmin; Mahmood, Md. A. Al; Rahman, Md. Saifur

doi:10.1590/0366-69132018643702349

Cited by 70 publications

(34 citation statements)

References 13 publications

(31 reference statements)

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“…The composites exhibited semi-brittle nature. As reported by Zaman et al [95] natural sources of carbonates as particulate fillers have been implemented in polymer materials for enhancing their thermal stability, rigidity and density. Eggshells could be valuable raw material for making glass-ceramic products due to their brittle property.…”

Section: Influence Of Filler Particles On Spementioning

confidence: 99%

A critical review on erosion wear characteristics of polymer matrix composites

Boggarapu

Raghavendra

Ojha

2020

Mater. Res. Express

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Polymer matrix composites (PMCs) are extensively known for their higher strength and stiffness at lower weight compared to traditional materials. They are extensively used in numerous engineering applications. Utilization of these materials had been extended to novel areas where it is essential to study their tribological performance. Several research works reported the tribological performance of polymer composites. The aim of the review is to provide broad information on erosion behaviour of polymeric composites. Attention is paid towards the effect of test parameters i.e. impact velocity, erodent characteristics, impingement angle on the erosion wear rate and their failure mechanisms were discussed. Inclusion of various fillers in to polymeric composites enriched the erosion resistance property that attracted the researchers to find out their application. However limited literature were available on the erosion behaviour of particle filled composites. Hence, another objective is to review available literature on the erosion response of filled composites.

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Section: Influence Of Filler Particles On Spementioning

confidence: 99%

A critical review on erosion wear characteristics of polymer matrix composites

Boggarapu

Raghavendra

Ojha

2020

Mater. Res. Express

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“…A chicken eggshell weighs 5 g–6 g on average and contains about 85 %–95 % calcium carbonate (CaCO 3 ), 1.4 % magnesium, and other elements in trace percentages. Among the numerous types of food waste, eggshells possess many bioactive composites and other valuable minerals of proven commercial significance, but which can become hazardous if not appropriately handled and disposed of [ 9 ]. Chicken eggshells can be treated and modified to improve their value and efficiency.…”

Section: Introductionmentioning

confidence: 99%

Modification and characterization of chicken eggshell for possible catalytic applications

Awogbemi

Inambao

Onuh

2020

Heliyon

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Researchers have shown considerable interest in finding a sustainable, low cost, and readily available substitute for the commercial calcium oxide (CaO) catalyst. In this work, raw chicken eggshell was modified by boiling and calcination at 900 C for 3 h. The x-ray diffraction characterization revealed that while the proportion of CaCO 3 in the raw and boiled samples was found to be 79.3 % and 99.2 % respectively, the CaCO 3 had been converted to 63.8 % CaO and CO 2 in the calcined sample. This was due to the thermal decomposition during calcination. The outcome of the infrared spectroscopy showed that the raw and boiled chicken eggshell presented a similar absorption profile with peaks at 1 394 cm À1 , 873 cm À1 , and 712 cm À1 , which were as a result of the presence of asymmetric stretch, out-of-plane bend, and in-plane bend vibration modes. The major peaks presented by the calcined sample at 3642 cm À1 can be attributed to the OAH stretching vibration and bending hydroxyl groups present in Ca(OH) 2 . The Brunauer-Emmett-Teller surface areas for the raw, boiled and calcined chicken eggshell were found to be 2.33 m 2 /g, 3.26 m 2 /g, and 4.6 m 2 /g respectively, indicating increased catalytic activity of the calcined sample. Overall, boiling was found to have a negligible effect on the chicken eggshell, while hightemperature calcination greatly affected the pore size, surface area, composition, and thermal decomposition profile of the chicken eggshell sample.

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“…This is due to the calcination process of ESP increases the calcite (CaCO 3 ) effectively by increasing its crystallinity as shown in the TESP XRD analysis. Furthermore, this process leads to remove most of the organic materials and impurities that can be existed in the ESP [12]. This leads to improve in the interface bond between the PMMA matrix and the ESP particles.…”

Section: Impact Testmentioning

confidence: 99%

Impact Strength, Flexural Modulus and Wear Rate of PMMA Composites Reinforced by Eggshell Powders

Abdullah¹,

Jaber

Al-Kaisy³

2020

ETJ

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In the present study, the impact strength, flexural modulus, and wear rate of poly methyl methacrylate (PMMA) with eggshell powder (ESP) composites have been investigated. The PMMA used as a matrix material reinforced with ESP at two different states (including untreated eggshell powder (UTESP) and treated eggshell powder (TESP)). Both UTESP and TESP were mixed with PMMA at different weight fractions ranged from (1-5) wt.%. The results revealed that the mechanical properties of the PMMA/ESP composites were enhanced steadily with increasing eggshell contents. The samples with 5 wt.% of UTESP and TESP additions give the maximum values of impact strength, about twice the value of the pure PMMA sample. The calcination process of eggshells powders gives better properties of the PMMA samples compared with the UTESP at the same weight fraction due to improvements in the interface bond between the matrix and particles. The wear characteristics of the PMMA composites decrease by about 57% with increases the weight fraction of TESP up to 5 wt.%. The flexural modulus values are slightly enhanced by increasing of the ESP contents in the PMMA composites.

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Evolution and characterization of eggshell as a potential candidate of raw material

Cited by 70 publications

References 13 publications

A critical review on erosion wear characteristics of polymer matrix composites

A critical review on erosion wear characteristics of polymer matrix composites

Modification and characterization of chicken eggshell for possible catalytic applications

Impact Strength, Flexural Modulus and Wear Rate of PMMA Composites Reinforced by Eggshell Powders

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