Sustainable applications of lignocellulosic residues from the production of Brazil nut in the Peruvian Amazon

Torres, Fernando G.; Gonzales, Karen N.; Troncoso, Omar P.; Revilla-Chávez, Jorge Manuel; De-la-Torre, Gabriel Enrique

doi:10.1002/tqem.21812

Cited by 6 publications

(5 citation statements)

References 103 publications

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“…A: Coco de castaña y B: Cáscara de castaña [12]. Elaboración propia en base a referencias [2,19,36,37].…”

Section: Procesos Termoquímicos Para La Conversión De Residuos De La ...unclassified

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Perspectivas en La Utilización De Residuos De La Industria De La Castaña: Procesos Termoquímicos, Revisión Bibliográfica

Marín M,

Surculento Villalobos,

Lopez N.

2023

Rev. Bol. Quim.

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Se revisaron en bibliografía tecnologías comerciales para la valorización de biomasa boliviana como la castaña. Tres tecnologías resultaron promisorias: gasificación, pirólisis y licuefacción hidrotermal. Los productos finales en las tres tecnologías son: sólidos (biochar), líquidos (bioaceite) y gas (gas de síntesis), en diferentes proporciones. La gasificación genera 85% de gas, 10% de sólido y 5% líquido. La pirólisis genera entre 30-75% de líquidos, 12-35% de sólidos y 13-35% de gases. La licuefacción hidrotermal genera entre 20-50% de biocrudo, 40-60% de fase acuosa, 10-20% de fase sólida y menos de un 5% de gas. En el caso de la gasificación, el enfoque principal es la producción de energía. Los procesos pirolíticos se enfocan en producir bioaceites. En los procesos de licuefacción hidrotermal, el producto más importante es el biocrudo. En base al tipo de producto deseado se deben considerar las características fisicoquímicas de la biomasa, las etapas de pretratamiento, los tipos de reactores a utilizar, las condiciones de operación y los procesos complementarios. Todos estos tópicos son de gran importancia al momento de implementar una tecnología para la conversión de residuos de la industria castañera.

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“…A: Coco de castaña y B: Cáscara de castaña [12]. Elaboración propia en base a referencias [2,19,36,37].…”

Section: Procesos Termoquímicos Para La Conversión De Residuos De La ...unclassified

“…De un fruto de castaña aproximadamente el 85 % p/p corresponde a la cáscara (tegumento) y al coco (pericarpio) como residuos generados durante la producción [2] (Ver Figura 5). Son generadas aproximadamente 20 000 toneladas de residuos en un año, a partir de una producción promedio anual de 25 000 toneladas de castaña en Bolivia.…”

Section: Introductionunclassified

Perspectivas en La Utilización De Residuos De La Industria De La Castaña: Procesos Termoquímicos, Revisión Bibliográfica

Marín M,

Surculento Villalobos,

Lopez N.

2023

Rev. Bol. Quim.

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“…Brazil is one of the world's largest producers of food, fiber, and energy materials (CONAB 2021;FAOSTAT 2019). Thus, there is large availability of biomass for biochar production, which has potential to be used in various areas of interest (e.g., agriculture, environmental sciences, engineering, biotechnology) (Lefebvre et al, 2020;Novotny et al, 2015;Torres et al, 2021). For soil application, due to the intimate relationship among pedosphere, atmosphere, and hydrosphere (Bockheim & Gennadiyev 2010), it is important to assess indirect effects of soil biochar application on air and water quality as well as the direct effect of biochar on air and water/wastewater treatment (Gwenzi et al, 2020;Kua et al, 2019).…”

Section: Ade Are Darkened Soils Due To the Presence Of High Levels Of...mentioning

confidence: 99%

A data synthesis on the biochar properties and implications for air, soil, and water quality in Brazil

Pôggere

Santana

Barbosa

et al. 2022

Environmental Quality Mgmt

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Biochar has been intensively researched worldwide. In Brazil, there is a variety of feedstock production that can be turned into soil amendments of high performance through biochar conversion, especially solid wastes. However, advances in biochar research in Brazil have not been systematically evaluated to indicate possible gaps and suggest future research for eco-friendly applications. Thus, in this work we evaluated biochar properties and effects on air, water, and soil quality based on data gathered from researches performed in Brazil. Biochar has been mainly evaluated as soil conditioner (37%), material characterization (17%), water treatment (12%), and greenhouse gases emissions (9%). Based on the data synthesis of 68 feedstocks used for biochar production, we observed that the pyrolysis temperature profoundly affects biochar properties. Meta-analysis indicated benefits of biochar addition to soils for chemical, physical, microbiological and biochemical attributes that have resulted in increases in root growth (+30%), and plant shoots (+45%). Pyrolysis temperature and feedstock are key choices to design biochar properties aiming to retain dyes, aromatic hydrocarbon, pesticides, and metals in water and wastewater treatment. It was also observed an increase in CO 2 and a decrease in N 2 O emissions after biochar application to soils in short-term experiments. Although there is a growing interest in the development of electrochemical sensors and biochar-based fertilizers, technological applications of biochar are still incipient in Brazil. Future research should prioritize long-term and mechanistically evaluations of biochar under field conditions and the development of eco-friendly technological applications.

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“…Traditionally, the use of this nut is for food. Nevertheless, in recent years, there has been a growing interest in this product since it contains a large amount of active molecules, with potential applications in multiple sectors, such as cosmetics, pharmaceuticals, and polymerics [34,35]. Brazil nut has a vegetable oil content between 60.8% and 72.5% [36,37].…”

Section: Introductionmentioning

confidence: 99%

Novel Epoxidized Brazil Nut Oil as a Promising Plasticizing Agent for PLA

et al. 2023

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This work evaluates for the first time the potential of an environmentally friendly plasticizer derived from epoxidized Brazil nut oil (EBNO) for biopolymers, such as poly(lactic acid) (PLA). EBNO was used due to its high epoxy content, reaching an oxirane oxygen content of 4.22% after 8 h of epoxidation for a peroxide/oil ratio of 2:1. Melt extrusion was used to plasticize PLA formulations with different EBNO contents in the range of 0–10 phr. The effects of different amounts of EBNO in the PLA matrix were studied by performing mechanical, thermal, thermomechanical, and morphological characterizations. The tensile test demonstrated the feasibility of EBNO as a plasticizer for PLA by increasing the elongation at break by 70.9% for the plasticized PLA with 7.5 phr of EBNO content in comparison to the unplasticized PLA. The field-emission scanning electron microscopy (FESEM) of the fractured surfaces from the impact tests showed an increase in porosity and roughness in the areas with EBNO addition, which was characteristic of ductile failure. In addition, a disintegration test was performed, and no influence on the PLA biodegradation process was observed. The overall results demonstrate the ability of EBNO to compete with other commercial plasticizers in improving the ductile properties of PLA.

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Sustainable applications of lignocellulosic residues from the production of Brazil nut in the Peruvian Amazon

Cited by 6 publications

References 103 publications

Perspectivas en La Utilización De Residuos De La Industria De La Castaña: Procesos Termoquímicos, Revisión Bibliográfica

Perspectivas en La Utilización De Residuos De La Industria De La Castaña: Procesos Termoquímicos, Revisión Bibliográfica

A data synthesis on the biochar properties and implications for air, soil, and water quality in Brazil

Novel Epoxidized Brazil Nut Oil as a Promising Plasticizing Agent for PLA

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