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Etanol de la fibra del grano de maíz – Las tecnologías 1,5G a estudio

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Fecha de publicación: 26/04/2017 Última actualización:  26/04/2017 Introducción [1,2,3] Una instalación de primera generación (1G) produce bioetanol mediante la fermentación de azúcares procedentes de la caña de azúcar, la remolacha azucarera o semillas de cereales, mientras que una instalación de segunda generación (2G) emplea los azúcares que se pueden encontrar en la biomasa lignocelulósica (residuos agrícolas, cultivos lignocelulósicos…). Se dice que la hibridación de las instalaciones 1G con tecnología 2G es el futuro para los biocombustibles 2G en aquellos países que ya han desarrollado una infraestructura fuerte para producir bioetanol. La hibridación permite producir etanol más competitivo en coste usando residuos agrícolas que previamente no tenían valor e integrando toda la cadena de valor. En este contexto, hay un modo especial de hibridación que aprovecha los azúcares celulósicos escondidos en la fibra del grano de maíz. Conocida comúnmente como Generac...
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Shell Chemical to produce renewable surfactants for Henkel's laundry detergents

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Type of post: NEWS IN BRIEF. Henkel and Shell Chemical LP have agreed to a five-year collaboration to replace up to 200,000 tons of fossil feedstocks used in the manufacture of surfactants with feedstocks that are based on renewable raw materials. The renewable-based surfactants will be used in Henkel’s laundry product brands, including many varieties of Persil®, Purex® and all® brands. Surfactants are an ingredient in cleaning products that help lather and lift dirt. Press release: " Henkel signs agreement with Shell on renewable-based ingredients for Persil®, Purex® and all® brands ", 17/01/2023. Figure 1. Shell Chemical to manufacture renewable surfactants for Henkel Shell estimates that replacing up to 200,000 tons of fossil feedstocks with renewable feedstocks has the potential to reduce greenhouse gas emissions by up to 120,000 tons of CO2eq over the length of the five-year agreement.  Starting in 2023, up to 200,000 tons of renewable feedstocks will be used by Shell du...
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Biobutanol biorefineries

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Publication date: 08/02/2016 Last update: 18/12/2017 General description 1,2,3,4,5,6,7 Butanol is a four-carbon alcohol with chemical formula C 4 H 10 O. There are four possible isomers for this molecule: n-butanol, isobutanol, tert-butanol and sec-butanol. Their different structures have a straight impact on their physical and chemical properties. Figure 1. Isomers of butanol Biobutanol is commonly used to refer to the butanol produced from biomass. n-Butanol is the major natural product formed in ABE fermentation. Isobutanol can be produced in alcoholic fermentation. sec-Butanol cannot be directly obtained by fermentation although it can be generated via 2,3-butanediol from fermentative processes. tert-Butanol is not produced by any known biological route. For the purposes of this post, biobutanol will stand for n-butanol, isobutanol or both of them, depending on the case. Butanol formation through anaerobic bacteria fermentation was already observed by ...
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Mercurius Biorefining plans to establish pilot and demo plants in Queensland

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Type of post: NEWS. Queensland University of Technology (QUT) is testing a novel technology called REACH which has been developed by the US company Mercurius Biorefining (Mercurius) to convert biomass into jet and diesel fuels. On 20 th February, the Minister for State Development, Manufacturing, Infrastructure and Planning of Queensland (Cameron Dick) joined the CEO of Mercurius (Karl Seck) at Brisbane’s QUT Centre for Tropical Crops and Biocommodities (CTCB) to view the results of this scientific testing and discussing a plan to establish a pilot plant in Queensland area (see media statements , 20/2/2018). Plans for establishing pilot and demo plants The REACH technology could enable the manufacturing of renewable jet fuel and diesel made from sugarcane waste across Queensland under a project supported by the State Government. During the visit, Karl Seck underlined the company’s intention to use the State of Queensland as its biomanufacturing hub. They selected it a...
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Shell and Raízen sign cellulosic ethanol deal

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Type of post: NEWS IN BRIEF. Shell has agreed to buy a total of 3.25 billion litres of sugar-cane cellulosic ethanol under a long-term agreement with Brazil’s Raízen. The low-carbon fuel is expected to be produced by five plants that Raízen plans to build in Brazil, bringing its total portfolio of cellulosic ethanol facilities to nine.  Press release: " Shell and Raízen sign large cellulosic ethanol deal ", 07/11/2022. Related posts:  - " Raízen to build its second cellulosic ethanol plant ", 28/06/2021. - " Raizen to build 2 new cellulosic ethanol plants ", 14/05/2022. CELLULOSIC ETHANOL Under the agreement, Shell Trading Rotterdam will buy the cellulosic ethanol produced during the first 10 years of each new facility’s operational life. Raízen will supply cellulosic ethanol with a carbon intensity that is approximately 75% lower than gasoline. Raízen expects to invest around $1.5 billion in the plants, the last of which is expected to be operational by t...
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