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Lisandra Meneses
Estonia
Estonian University of Life Sciences
University
Bioresource recovery, value-added products, zero-waste, circular economy, process integration, biorefinery, and biofuels.
Topic 2: New foods – Fostering innovations in food design, processing and supply via demand-and-supply reorientation
Process and production technology of bioethanol production, incl. pretreatment methodology
Effective utilisation of biomass for production of different biofuels
Utilisation of waste from wood and paper industries for production of biofuels
Cultivation of microalgae and design and construction of photobioreactors
Development of nanomaterials and nanocomposites
Effective utilisation of biomass for production of different biofuels
Utilisation of waste from wood and paper industries for production of biofuels
Cultivation of microalgae and design and construction of photobioreactors
Development of nanomaterials and nanocomposites
According to QS World University Rankings by Subject (2024), the Estonian University of Life Sciences is one of top 100 universities in the world in the field of agriculture and forestry, ranked 54.
The research would take place in the Institute of Forestry and Engineering, Chair of Biosystems Engineering, Laboratory of Biofuels.
The research of biofuels was started in the Institute of Technology in 2007 by Professor Jüri Olt. At first it focused mainly on the solid fuels, like briquettes and pellets. Briquetting characteristics and optimal conditions of different lignocellulosic materials and agricultural wastes were studied.
In 2008, research of liquid biofuels was added to the portfolio. First studies were on first generation feedstock and biofuels like bioethanol and vegetable oil. Later, research of second and third generation biofuels prevailed to avoid the ethical, economic and environmental problems associated with the first generation.
In 2011, a new workgroup was formed in the department Agricultural and production engineering, that started the research on bioethanol production from lignocellulosic biomass. The main focus was on the efficiency of the pretreatment process of the biomass and on the continuous process production.
In 2013, a novel Nitrogen Explosive Decompression (NED) pretreatment was developed. The NED allows efficient pretreatment of the lignocellulosic biomass without using any chemicals. This makes it environmentally and economically interesting. NED pretreatment makes use of the fact that nitrogen gas has different solubilities in water under different pressures.
During the same period laboratory of microalgal research was started. Microalgae have many characteristics that make them interesting research subjects and potential alternative biomass source. Firstly, microalgae have the most efficient photosynthesis apparatus on the planet. They can be used to sequestrate carbon dioxide both, from air and from flue gas. The biomass production rates for microalgae are many times higher than that of their land counterparts. Also, many of the microalgae have very high lipid contents. Which make them also potential raw material for lipid-based biofuels. There is also a novel photobioreactor design that has been patented in our laboratory.
In 2016, a research topic was started to deal with the waste utilisation of bioethanol production process. There is ca 20L of stillage produced per every litre of ethanol produced. This stillage has very high BOD and requires treatment prior to realising it into the environment. One interesting possibility is to use anaerobic digestion to remove the degradable organics from the solution while also contributing to additional energy output from the process.
The research would take place in the Institute of Forestry and Engineering, Chair of Biosystems Engineering, Laboratory of Biofuels.
The research of biofuels was started in the Institute of Technology in 2007 by Professor Jüri Olt. At first it focused mainly on the solid fuels, like briquettes and pellets. Briquetting characteristics and optimal conditions of different lignocellulosic materials and agricultural wastes were studied.
In 2008, research of liquid biofuels was added to the portfolio. First studies were on first generation feedstock and biofuels like bioethanol and vegetable oil. Later, research of second and third generation biofuels prevailed to avoid the ethical, economic and environmental problems associated with the first generation.
In 2011, a new workgroup was formed in the department Agricultural and production engineering, that started the research on bioethanol production from lignocellulosic biomass. The main focus was on the efficiency of the pretreatment process of the biomass and on the continuous process production.
In 2013, a novel Nitrogen Explosive Decompression (NED) pretreatment was developed. The NED allows efficient pretreatment of the lignocellulosic biomass without using any chemicals. This makes it environmentally and economically interesting. NED pretreatment makes use of the fact that nitrogen gas has different solubilities in water under different pressures.
During the same period laboratory of microalgal research was started. Microalgae have many characteristics that make them interesting research subjects and potential alternative biomass source. Firstly, microalgae have the most efficient photosynthesis apparatus on the planet. They can be used to sequestrate carbon dioxide both, from air and from flue gas. The biomass production rates for microalgae are many times higher than that of their land counterparts. Also, many of the microalgae have very high lipid contents. Which make them also potential raw material for lipid-based biofuels. There is also a novel photobioreactor design that has been patented in our laboratory.
In 2016, a research topic was started to deal with the waste utilisation of bioethanol production process. There is ca 20L of stillage produced per every litre of ethanol produced. This stillage has very high BOD and requires treatment prior to realising it into the environment. One interesting possibility is to use anaerobic digestion to remove the degradable organics from the solution while also contributing to additional energy output from the process.