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Levulinic acid biorefineries

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Publication date: 16/11/2015 Last update: 20/02/2016 Description 1,2 Levulinic acid (also known as 4-oxopentanoic acid or γ-ketovaleric acid) is an organic compound with chemical formula C 5 H 8 O 3 . It is a white crystalline solid soluble in water and polar organic solvents. It contains ketone and a carboxylic group whose presence results in interesting reactivity patterns. It is one of the more recognized Biobased Chemical Building Blocks , a starting material for a wide number of compounds (see Applications below). In fact, it was recognized by the US DoE as one of the top biobased platform chemicals of the future and it can successfully address many performance-related issues attributed to petroleum-based chemicals and materials. Process technologies 1,3,4,5 The controlled degradation of C6-sugars by acids is the most widely used approach to prepare levulinic acid from lignocellulosic biomass. Other methods have also been studied, for instance, the hydroly...
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Biobased acrylic acid

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Versión en Español Type of post: Fact sheet. Series: Biobased chemicals – Organic acids. Publication date: 05/05/2021. Last update: 05/05/2021. Description - Organic acid with 3 carbon atoms. - It is a clear, colourless, corrosive liquid with a characteristic acrid or tart smell. - Other names: prop-2-enoic acid. Applications - Formation of homopolymers or copolymers which are used in the manufacture of various adhesives, coatings, diapers, detergents, paints, plastics and textiles. The main use of crude acrylic acid is the generation of acrylate esters, followed by the production of polyacrylic acid, used mostly in superabsorbent polymers. - Chemical intermediate in multiple industrial processes. Conventional petrochemical route - Cracking of fossil naphtha to produce propylene / Oxidation of propylene. Main biobased routes - [3-HPA via] Fermentation of sugars to produce 3-hydroxypropionic acid (3-HPA) / Dehydration of 3-HPA. - [Biobased naphtha via] Cracking of biobased naphth...
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Biorefinery models - Lignocellulosic biorefinery

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Publication date: 25/04/2016 Last update: 25/04/2016 ABOUT THE SERIES OF POSTS “BIOREFINERY MODELS” This post belongs to a series called “ Biorefinery Models ”. This series is devoted to briefly describe the models or concepts of advanced biorefineries which have emerged in the last few years and that are rising currently. These models are simplified representations which enable us to understand in a simple way the structure and characteristics of a general biorefinery type. Some of these models refer to the type of feedstock while other focus on the technologies involved. A biorefinery may resemble these models or be the result of variations and combinations of them. It should be noted that although these paradigms are very useful and instructive, they show limitations in describing and classifying complex systems with high level of integration. In order to define and describe a specific complex case, the blog recommends use the classification proposed by IEA Bioenerg...
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VTT releases its last results in bioplastic development - FDCA and muconic acid

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For many experts, 2,5-Furandicarboxylic acid (FDCA) is called upon to revolutionise the biobased plastics industry in the near future. The main production material of drinking bottles is still oil-based PET using purified terephthalic acid (PTA) and ethylene glycol (EG). However, FDCA can replace PTA to obtain PEF, a new high-performance biopolymer. Recently, the Blog devoted a whole post to FDCA (see FDCA biorefineries ). Such post shows a non-exhaustive list of the most important processes developed or under research by companies and research institutes. VTT Technical Research Centre of Finland Ltd is working on one of them and it has just unveiled interesting information about it. Last week, in the webinar “ Green plastics without the bio-premium: FDCA and muconic acid transforming the industry ”, this Finish centre introduced its work on the aforementioned furan derivative and on the muconic acid, another versatile chemical with potential to change the polymer industry. The...
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Biorrefinerías de ácido levulínico

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Fecha de publicación: 16/11/2015 Última actualización: 20/02/2016 Descripción 1,2 El ácido levulínico (también conocido como ácido 4-oxopentanoico o ácido γ-cetovalérico) es un compuesto orgánico con fórmula química C 5 H 8 O 3 . Es un sólido cristalino soluble en agua y en disolventes orgánicos polares. Contiene un grupo cetona y un grupo carboxilo cuya presencia posibilita patrones reactivos interesantes. Es uno de los “ Biobased Chemical Building Blocks ” más reconocidos, precursor de un amplio número de compuestos (véase el apartado Aplicaciones más abajo). De hecho, fue reconocido por el DoE como una de las principales moléculas plataforma del futuro y puede cubrir de manera eficaz muchas de las atribuciones de productos químicos y materiales procedentes del petróleo. Tecnologías de proceso 1,3,4,5 La degradación controlada de azúcares C6 mediante ácidos es el proceso más usado para preparar ácido levulínico a partir de biomasa lignocelulósica. Se han estu...
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