Characterization and Investigation of Chicken Litter as a Source of Phosphorus for Fertilizers

Nascimento, C. O.; Molin, Sulian Junkes Dal; Benites, V. de M.; Albuquerque, Elaine Christine de Magalhães Cabral; Fialho, Rosana Lopes

doi:10.30638/eemj.2021.121

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“…Table 1 presents the results of the previous characterization carried out on CL and the method used in this characterization was presented in a previous publication. [30] Polymeric composites have shown to be promising, as will be possible to verify the results of this section, as well as similar results have already been found for other polymeric composites produced using fiber residue, proving to be a sustainable alternative for the production of materials. [14] The FTIR spectra of the analyzed samples are shown in Figure 1a.…”

Section: Resultssupporting

confidence: 79%

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Use of Chicken Litter for In Situ Polymerization of Poly(Butylene Succinate) (PBS) Based Polymer Composites

Nascimento

Benites

Albuquerque

et al. 2023

Macro Reaction Engineering

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In the recent years, the growing amounts and incorrect disposal of solid wastes have created serious negative environmental impacts, including land and water pollution. Chicken litter (CL) is a type of solid waste which is generated during chicken production, the appropriate final destination of which is still subject to technical discussion. Because CL is composed mostly of fibers, proteins, carbohydrates, and different minerals, the use of this material as a filler for the manufacture of polymer materials has been suggested. The main objective of the present work is the manufacture of polymer composites in situ polymerization using CL as a filler and succinic acid and 1,4‐butanediol as monomers, considering that the fiber content in CL is ≈20 wt%. The obtained poly(butylene succinate) (PBS) composites are characterized by Fourier transformed infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), gel permeation chromatography (GPC), nuclear magnetic resonance (NMR), scanning electron microscopy (SEM), degradability in distilled water, and compression analyses. The results show that the addition of CL to the mixture do not affect the course of the polycondensation reaction significantly. Furthermore, compression tests show that the compressive strength of test pieces increases with the CL content.

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Section: Resultssupporting

confidence: 79%

“…Table 1 presents the results of the previous characterization carried out on CL and the method used in this characterization was presented in a previous publication. [ 30 ]…”

Section: Resultsmentioning

confidence: 99%