Biotechnology Applied to Treatments of Agro-industrial Wastes

Rosero-Delgado, Ernesto Alonso; Zambrano-Arcentales, Medardo Anibal; Gómez-Salcedo, Yunet; Baquerizo-Crespo, Ricardo José; Dustet-Mendoza, Julio César

doi:10.1007/978-981-15-8999-7_11

Cited by 3 publications

(2 citation statements)

References 160 publications

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“…The experiment was carried out in cylindrical bioreactors with a volume of 150 mL, under the model and conditions published by Rosero and Dustet [70] (Figure 6).…”

Section: Solid State Fermentation System (Ssf)mentioning

confidence: 99%

Effect of Solid-state Fermentation Parameters on Growth of Interest and Environmental Enzyme Production with Aspergillus niger

Hidalgo Zambrano,

Delgado Villafuerte,

Rosero Delgado

2023

Orbital: Electron. J. Chem.

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Using residual biomass in biological processes is increasingly promoted to alleviate environmental impacts. However, the focus is mainly based on emerging technologies and limited resources, and the conditions of the technologies remain unclear. The objective of this research is to establish the conditions of a solid-state fermentation system (SSF) for the growth of fungal biomass and the production of ligninolytic enzymes of environmental interest using Aspergillus niger. In a screening step, the biomass and lipase enzyme expression of three A. niger strains obtained from different screening sites will be extended. In the second stage, the effect of packing density (ρs) and airflow (vvm) was evaluated through a 23, on the growth of fungal biomass, fiber degradation, and CO2 generation in a lipid-contaminated SSF system. The generation of biomass and the concentration of specific enzymatic activity (U/L) of lipase present a correlation for all the strains evaluated. It was estimated that the A. niger strain AN19bc isolated from sugarcane bagasse presents the highest accumulation of biomass and concentration of specific enzyme activity of lipase (0.027 U/L) after nine days. The most appropriate conditions for the production of fungal biomass of the AN19bc strain in an SSF system are presented with an airflow of 33.33 vvm and packing density ρs = 360 kg Mss/m3, levels with which Yx/s= 0.91 is reached. After the process, the solid support used in the SSF presents a change in composition, with the fiber being the component that suffers a considerable degradation of 78.70%.

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“…The experiment was carried out in cylindrical bioreactors with a volume of 150 mL, under the model and conditions published by Rosero and Dustet [70] (Figure 6).…”

Section: Solid State Fermentation System (Ssf)mentioning

confidence: 99%

Effect of Solid-state Fermentation Parameters on Growth of Interest and Environmental Enzyme Production with Aspergillus niger

Hidalgo Zambrano,

Delgado Villafuerte,

Rosero Delgado

2023

Orbital: Electron. J. Chem.

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“…In this context, many advancements on the residue and/or by-products' reuse and revalorisation for agriculture use have been observed. Different materials have been applied successfully as peat substitutes for crop production, such as rice husks, almond shells and coconut fibres, among others, and composted materials (animal manure and agro-industrial residues) and/or alternative materials as biochar [14][15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Effect of Phytoremediated Port Sediment as an Agricultural Medium for Pomegranate Cultivation: Mobility of Contaminants in the Plant

et al. 2021

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Although the dredging of ports is a necessary management activity, it generates immense quantities of sediments, that are defined by the European Union as residues. On the other hand, the relevant peat demand for plant cultivation compromises its availability worldwide. In this context, the present work wanted to find an alternative substrate in order to replace and/or reduce the use of peat in agriculture, through the study of the suitability, concerning the exchange of substrate–plant–water pollutants, of the dredged remediated sediments as a fruit-growing media. Forty-five pomegranate trees (Punica granatum L. cv “Purple Queen”) were cultivated in three types of substrates (100% peat as a control, 100% dredged remediated sediments and 50% both mixed). The metal ion content and pesticide residues were analysed in the different plant parts (root, stem, leaves and fruits) and in drainage water. The results showed a limited transfer of pollutants. All the pollutants were below the legal limits, confirming that the dredged sediments could be used as a growing media, alone or mixed with other substrates. Thus, the results point out the need to open a European debate on the reuse and reconsideration of this residue from a circular economy point of view.

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Industrial Organic Waste and Byproducts as Sustainable Feedstock for Bioenergy Production

Gizaw,

Periyasamy,

Redda

et al. 2024

Energy, Environment, and Sustainability

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Biotechnology Applied to Treatments of Agro-industrial Wastes

Cited by 3 publications

References 160 publications

Effect of Solid-state Fermentation Parameters on Growth of Interest and Environmental Enzyme Production with Aspergillus niger

Effect of Solid-state Fermentation Parameters on Growth of Interest and Environmental Enzyme Production with Aspergillus niger

Effect of Phytoremediated Port Sediment as an Agricultural Medium for Pomegranate Cultivation: Mobility of Contaminants in the Plant

Industrial Organic Waste and Byproducts as Sustainable Feedstock for Bioenergy Production

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