Results 171 to 180 of about 3,407,736 (336)

Optimized bifunctional CuNiMgAl catalysts for efficient synthesis of the renewable bioproduct glycerol carbonate

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract This paper presents a novel technology for converting glycerol, a byproduct of the biodiesel industry, into glycerol carbonate, a high‐value bioproduct. The effect of calcination temperature on the synthesis of quaternary Cu‐Ni‐Mg‐Al catalysts (MMO‐Cu15Ni15‐Tz) and their application in the transesterification reaction was investigated ...
Dalma S. Argüello   +5 more
wiley   +1 more source

Anaerobic digestion of olive oil industry waste with a jacketed reactor heated by an autothermal process

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract A comprehensive valorization of waste generated from the olive oil manufacturing industry and olive grove pruning was conducted. Anaerobic digestion of the sludge waste from the olive industry was performed in stirred tank reactors under mesophilic conditions to remove volatile solids and to generate biogas.
María J. San José   +3 more
wiley   +1 more source

Crear valor ó estrategias enfocadas al valor

open access: yes, 2005
Las empresas acuden a los mercados financieros o de capitales para atraer dinero para sus proyectos. ¿Cómo pueden los mercados determinar qué empresa es la más eficaz? Los indicadores son la clave para determinar la eficacia empresarial. El valor añadido, como idea, permite determinar claramente qué empresa es la más eficaz, ya que determina un modelo ...
Torrents Arévalo, Juan Antonio   +1 more
openaire   +1 more source

Microwave‐assisted highly efficient and sustainable synthesis of alkyl levulinates over acid‐functionalized nitrides

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Acid functionalized nitrides, including sulfonic‐functionalized graphitic carbon nitride (SGCN) and sulfonic‐functionalized boron nitride (SBN), were synthesized and used successfully in the microwave‐assisted conversion of furfuryl alcohol (FA) into alkyl levulinates. Catalytic materials were characterized for their structural, morphological,
Daniele Polidoro   +5 more
wiley   +1 more source

Energy recovery from Ginkgo biloba urban pruning wastes: pyrolysis optimization and fuel property enhancement for high‐grade charcoal productions

open access: yesBiofuels, Bioproducts and Biorefining, EarlyView.
Abstract Ginkgo biloba trees are widely planted in urban areas of developed countries for their resilience, longevity and aesthetic appeal. Annual pruning to control tree size, shape and interference with traffic and pedestrians generates large volumes of unutilized Ginkgo biomass.
Padam Prasad Paudel   +6 more
wiley   +1 more source

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