Photo-Driven Amine-Based DAC Powered by Behind-the-Grid Intermittent Renewables

Statement of the Problem: This photo-DAC project aims to revolutionize direct air capture (DAC) technology by leveraging light-driven desorption processes to enhance efficiency and sustainability. Led by New Iridium, in collaboration with the National Renewable Energy Laboratory (NREL), this project addresses the urgent need for scalable and cost-effective solutions to mitigate CO2 emissions and combat climate change. By harnessing intermittent behind-the-grid renewable energy sources and innovative materials, the project seeks to overcome the technical and economic barriers associated with traditional DAC methods, thereby facilitating the transition to a low-carbon economy. Phase I Project Objectives: The primary objectives of our project center on advancing the development and implementation of a photo-driven DAC system. Through collaborative research, our team aims to achieve several key milestones. These include the design, fabrication, and commissioning of a prototype DAC test system capable of automated operation and durability testing. We seek to synthesize and evaluate novel photo-DAC materials for their CO2 capture and release efficiency over extended cyclic operation. Additionally, our project aims to conduct comprehensive process modeling and techno-economic analysis to assess the feasibility and scalability of the photo-DAC technology. Ultimately, our goal is to mature the technology beyond the research phase, paving the way for pilot-scale testing and eventual commercialization. Phase I Project Activities: The project activities encompass a series of meticulously planned steps aimed at achieving the project objectives. These include the design, safety review, and acquisition of components for the photo-driven DAC system. Following this, the fabrication, construction, and commissioning of the automated DAC test station will commence, ensuring precise calibration of devices and process checks. Subsequent efforts will focus on the synthesis of photo-DAC materials and their characterization, integrating experimental data into process modeling to refine the technology. Durability testing, spanning over 2000 cycles, will be conducted to evaluate material performance and degradation mechanisms, while parallel activities will involve process optimization and sensitivity analysis to inform future development pathways. Through these coordinated activities, we aim to advance the photo-DAC technology towards commercial viability and widespread adoption. Commercial Applications and Benefits: The commercial applications and benefits of the photo-DAC project are multifaceted and far-reaching. Successful implementation of this technology promises to revolutionize the carbon capture landscape, offering a cost-effective and scalable solution to mitigate CO2 emissions. By harnessing renewable energy sources and leveraging innovative materials, the photo-DAC system holds the potential to significantly reduce the carbon footprint of various industries, including chemical manufacturing and energy production. Moreover, the deployment of modular DAC systems could facilitate carbon capture in remote locations, unlocking new opportunities for carbon utilization or sequestration. Beyond environmental gains, the widespread adoption of photo-DAC technology would stimulate economic growth and create jobs in the clean tech sector.