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TheBioenergy Technologies Office''s (BETO''s) Conversion Technologies program supports research and development in technologies for converting biomass feedstocks into finished liquid transportation fuels—such as renewable gasoline, diesel, and jet fuel—co-products or chemical intermediates, and biopower. To achieve this goal, BETO is exploring a variety of conversion technologies that can be combined into pathways, from feedstock to product.
While, historically, conversion technology pathways have been roughly classified as either biochemical or thermochemical processes, BETO has moved away from classifying pathways strictly as one or the other. In order to encompass the diversity and potential of innovative technologies, BETO has shifted its focus by considering instead a broad landscape of potential processes that may contain both biochemical and thermochemical steps.
Within the Conversion Technologies program, BETO focuses on activities in the areas of Deconstruction & Fractionation and Synthesis & Upgrading.
Deconstruction and fractionation activities involve deconstructing biomass into its component chemicals so it can be converted into biofuels.
After deconstruction of biomass, intermediates are synthesized and upgraded using various techniques to produce a finished product, including fuels and bioproducts.
On July 20, 2016, BETOreleased a request for information (RFI) entitled "Cellulosic Sugar and Lignin Production Capabilities." The purpose of this RFI was to develop a list of suppliers who are willing and able to produce and sell cellulosic sugar and/or lignin for use by the research community. BETO-funding recipients, as well as the general research community, can use this information to determine resources that are available. To see the full list of RFI responses available, visit the Cellulosic Sugar and Lignin Production Capabilities RFI Responses web page.
Energy conversion techniques are key in power electronics and even more so in renewable energy source systems, which require a large number of converters. Renewable Energy Systems: Advanced Conversion Technologies and Applications describes advanced conversion technologies and provides design examples of converters and inverters for renewable energy systems—including wind turbine and solar panel energy systems.
Learn Cutting-Edge Techniques for Converters and Inverters
Setting the scene, the book begins with a review of the basics of astronomy and Earth physics. It then systematically introduces more than 200 topologies of advanced converters originally developed by the authors, including 150 updated circuits on modern conversion technologies. It also discusses recently published topologies and thoroughly analyzes new converter circuits. Novel approaches include split-capacitor and split-inductor techniques that can be applied in super-lift and other converters.
Resolve Historic Problems in Conversion Technologies
Along with offering many cutting-edge techniques, the authors resolve some historic problems, such as the accurate determination of the conduction angle of single-phase rectifiers and power factor correction. They also describe a new series—laddered multilevel inverters—that uses few devices to produce more levels, overcoming the drawbacks of the pulse-width-modulation (PWM) inverter and providing great scope for industrial applications.
This book is written by pioneers in advanced conversion technology who have created a large number of converters, including the world-renowned DC/DC Luo-converters and super-lift Luo-converters. Featuring numerous examples and diagrams, it guides readers in designing advanced converters for use in renewable energy systems.
Wave Energy Conversion (WEC) captures energy generated by ocean waves and converts it into usable electricity. This innovative technology offers a promising approach to meeting global energy needs while addressing climate change concerns.
The Israeli company Eco Wave Power leads the charge in promoting wave energy solutions. By leveraging marine structures, WEC not only meets urgent energy needs but also promotes women’s empowerment in coastal communities. Inna Braverman, a Ukrainian native and co-founder of Eco Wave Power, exemplifies this empowerment through her inspiring journey.
Advancing sustainable energy technologies is essential for a successful energy transition by 2050 and for tackling climate challenges.
Wave Energy Conversion technology harnesses energy from both moving and stationary water, transforming it into electricity through various mechanisms.
Eco Wave Power’s specialized marine structures effectively convert wave motion into usable energy. This process not only generates electricity but also supports offshore installations, benefiting coastal communities.
Research initiatives, like those from the National Renewable Energy Laboratory and projects such as PacWave South, are enhancing our understanding and deployment of this innovative technology.
Wave energy conversion technologies employ distinct methods to harness ocean waves for renewable energy generation. Key examples include:
Innovative designs like the Edinburgh Duck and systems from CorPower Ocean are improving the efficiency of wave energy generation. Companies such as EDF Renewables, AEON Energy, and AltaSea in Los Angeles are actively exploring offshore installations, contributing to the growth of this sustainable energy sector.
Point absorbers capture wave energy through floating structures that move with waves, converting energy into electricity. Oscillating water columns use trapped air to drive turbines as waves rise and fall, providing a reliable energy source even in adverse conditions. Overtopping devices capture waves, storing water in reservoirs and releasing it to generate power.
The ongoing development of these technologies highlights the potential of ocean energy, supported by investments from the European Regional Development Fund, playing a critical role in the global transition to cleaner energy.
Wave Energy Conversion presents numerous benefits as a renewable and clean energy source, making it a crucial component in the global energy transition.
Wave energy is a renewable and clean source that generates electricity without harmful pollutants. This technology is a sustainable alternative to finite fossil fuels, which significantly contribute to greenhouse gas emissions.
By utilizing wave energy, nations can reduce their reliance on traditional energy sources and lower their carbon footprints. Wave energy technologies provide a consistent energy supply, making them a reliable part of a diversified energy portfolio. As technology improves, the efficiency and cost-effectiveness of harnessing ocean energy will grow, attracting more investment in this promising sector.
One major advantage of wave energy is its predictable production, driven by consistent ocean wave patterns. These natural rhythms ensure a steady energy supply.
Research indicates that areas like the west coast of Scotland can achieve energy generation rates of up to 80% in optimized wave energy sites. This predictability enables grid operators to integrate wave energy effectively, enhancing overall stability.
Wave energy systems integrate with marine structures while preserving ecosystems. They operate quietly, minimizing disturbances to local wildlife.
For instance, ocean-based installations like the Pelamis wave energy converter harness energy without significantly disrupting marine habitats. Submerged components further protect fish migration patterns, making wave energy a viable alternative to traditional sources.
Ongoing research aims to enhance these systems to minimize impacts on surrounding ecosystems, as projects like Wave Hub in Cornwall and Jaffa Port in Israel illustrate how these technologies can provide renewable energy while respecting biodiversity.
Wave energy conversion offers significant opportunities for offshore and remote power generation, especially in coastal communities. By harnessing ocean waves, these systems deliver reliable energy in challenging locations.
Offshore wave energy allows remote regions that rely on imported fuels to access clean, renewable energy, promoting energy independence and a sustainable future.
Despite its advantages, wave energy conversion faces challenges that hinder broader adoption. Understanding these barriers is essential for advancing this innovative technology.
The high upfront costs associated with developing wave energy technology can deter investment. Additionally, geographical limitations for optimal wave energy extraction present significant obstacles.
Maintenance and durability issues are crucial, as offshore installations must withstand harsh marine conditions.
About Renewable energy conversion technologies
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