Results 51 to 60 of about 46,610 (237)

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Produção de biogás com diferentes resíduos orgânicos de restaurante universitário [PDF]

open access: yes, 2017
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Agrárias. Curso de Agronomia.Esta pesquisa objetivou avaliar o uso de diferentes resíduos orgânicos provindos de restaurante universitário (RU), no processo de biodigestão ...
Kretzer, Stéfano Gomes
core  

Herramientas para la evaluación de riesgos sobre el ambiente y salud, por la disposición final de residus sólidos urbanos [PDF]

open access: yes, 2016
En el campo de la protección ambiental y de la salud pública y ocupacional, es necesario controlar, en la medida de lo posible, las fuentes de emisión de contaminantes ambientales y su impacto.
Colomer Mendoza, Francisco José   +3 more
core   +3 more sources

Improving Oxygen Barrier Performance of Polylactide Film by Using Bleached and Unbleached Nanocellulose From Grape Pomace

open access: yesJournal of Applied Polymer Science, EarlyView.
Bleached and unbleached nanocelluloses were produced from the exhausted grape pomace and applied as coatings on PLA substrates for sustainable food packaging. Unbleached nanocelluloses were more hydrophobic and amorphous than bleached ones. The resulting bio‐based bleached nanocellulose‐coated PLA films showed a 68% reduction in O2 permeability ...
Jingwen Chen   +6 more
wiley   +1 more source

Análise econômica da geração de energia elétrica a partir do biogás na suinocultura Economic analysis of the generation of electric energy from biogas in pig production

open access: yesEngenharia Agrícola, 2011
A demanda por fontes alternativas de energia tem crescido nos últimos anos em função das variações do preço do petróleo aliadas à recente crise energética. Por meio da digestão anaeróbia é possível transformar os dejetos de suínos em biogás.
Franco M. Martins   +1 more
doaj   +1 more source

Geração e utilização de biogás em unidades de produção de suínos. [PDF]

open access: yes, 2015
bitstream/item/58216/1/doc115.pdfProjeto de controle da degradação ambiental decorrente da suinocultura em Santa ...
HIGARASHI, M. M., OLIVEIRA, P. A. V. de
core  

Combined effect of increasing the post‐reformer temperature and adding red mud as a secondary catalyst in the thermocatalytic reforming of digestate

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This work studies the combined effect of increasing the post‐reformer temperature and introducing red mud as a support catalyst in the thermocatalytic reforming (TCR®) of digestate. The TCR® method, developed by the Fraunhofer Institute for Environmental, Safety and Energy Technology UMSICHT (abbreviated as Fraunhofer UMSICHT), is an extension
Hillary Onyishi   +4 more
wiley   +1 more source

El potencial de la biomasa en España. Condicionantes para su desarrollo y viabilidad económica [PDF]

open access: yes, 2012
El sector español de la biomasa es tremendamente amplio y heterogéneo, al ser un sector muy vinculado a otros sectores productivos profundamente arraigados en nuestro país, como son el agrícola, el forestal y el ganadero.
Gregorio, Marga de
core   +1 more source

Generación de biogás mediante el proceso de digestión anaerobia, a partir del aprovechamiento de sustratos orgánicos [PDF]

open access: yes, 2017
El presente artículo tuvo como propósito la conveniencia de abordar una revisión bibliográfica e identificar si existe una o varias teorías con abundante y buen nivel de evidencia aplicable al tema del biogás generado por diferentes sustratos orgánicos ...
Reyes Aguilera, Edwin Antonio
core   +2 more sources

Volumetric mass transfer and dilution rate as key parameters for sustainable industrial syngas fermentation to isopropyl alcohol: modeling and parametric assessment

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Synthesis gas fermentation is a promising route for the valorization of steel mill off‐gas and for replacing conventional fossil‐based isopropyl alcohol (IPA) production. A recent 120 L pilot‐scale study reported 85% gas conversion at 90% product selectivity and claimed a negative global warming potential (GWP) without detailed process design.
Gijs J. A. Brouwer   +3 more
wiley   +1 more source

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