Co-processing for climate and economic benefits

Novel Comprehensive Life Cycle Assessment (LCA) of Sustainable Flue Gas CCS 📚 Excited to share the research published in the Journal of CO2 Utilization. This study presents a novel comprehensive Life Cycle Assessment (LCA) of a sustainable system for co-producing alcohol ethoxylate (AE7), a key surfactant used in detergents, and liquid fuel from captured flue gas CO2. This innovative approach offers a promising pathway towards a circular carbon economy in the chemical industry. Key Findings: 1️⃣ The system utilizes CO2 captured from paper and steel mill flue gas, converting it into AE7 and fuel via Fischer-Tropsch (FT) synthesis. This reduces reliance on fossil and marginally bio-based resources conventionally used for surfactant production. 2️⃣ The system is powered by renewable wind electricity, meeting the hydrogen and electricity demands of the process, further minimizing the environmental footprint. 3️⃣ This LCA shows significant reductions in Global Warming Potential (GWP) compared to conventional AE production systems. The paper mill flue gas system, utilizing biogenic CO2, achieves even greater GWP reductions. 4️⃣ This is the first LCA study focusing on surfactant production from captured industrial CO2, addressing a critical gap in existing research and providing a framework for assessing the sustainability of such systems. Challenges and Opportunities: ✳️ Economic Viability: While environmentally promising, the economic feasibility of the system depends on factors like feedstock prices and the market value of the co-produced fuel. Further techno-economic analysis is crucial for optimizing the system's financial performance. ✳️ Scaling Up: Scaling up the system for industrial implementation will require significant investment and collaboration across various sectors, including carbon capture, chemical processing, and renewable energy. ✳️ Policy Support: Supportive policies and regulations incentivizing carbon capture and utilization are essential for accelerating the adoption of such sustainable technologies. 📚 This research highlights the potential of CCU for producing valuable chemicals while mitigating industrial emissions. The use of biogenic CO2 offers particularly promising environmental benefits, emphasizing the importance of integrating bio-based solutions in the transition to a circular carbon economy. #CCU #CCUS #LCA #Surfactant #CircularCarbonEconomy #Sustainability #ChemicalIndustry #RenewableEnergy #FischerTropsch #Decarbonization

📢 I am thrilled to share our latest research article entitled "Process optimisation and enviro-economic assessment of carbon-negative hydrogen production from biomass co-gasification" published in Elsevier's Energy Conversion and Management! 🌿💧 This study assesses a gasification process integrated with CO2 capture to produce high-purity hydrogen from waste biomass (switchgrass), combined either with plastic waste (low-density polyethylene, LDPE) or Indian high-ash coal. It uses comprehensive process optimisation, TEA and LCA methods considering important process parameters and indicators, including gasification temperature, steam-to-biomass ratio, net present value and GHG emissions. This research demonstrates the significant benefits of combining biomass with plastic waste, resulting in improved hydrogen yield, enhanced economic returns, and superior environmental performance compared to using biomass alone for gasification. It also demonstrates that sustainable design solutions, like CaO-based CO2 capture and waste heat recovery, can significantly improve the environmental sustainability of the biomass gasification plant, resulting in negative carbon emissions. The publication marks the beginning of an exciting new collaboration with my esteemed colleagues Pushpraj Patel, Prasenjit Mondal, Dr. Omvir Singh and Shubhi Gupta. I look forward to seeing how our work resonates with others and contributes to ongoing conversations in the field. Read the full paper here: https://lnkd.in/e3s3ErEz #Research #Sustainability #Hydrogen #LCA #TEA #RenewableEnergy #plasticwaste #LDPE #biomass

Maximizing Renewable Energy Through Large-Scale Co-Digestion: A Data-Driven Approach In sustainable energy solutions, large-scale co-digestion emerges as a potent strategy that leverages the synergy of diverse waste streams to boost methane production and enhance overall facility efficiency. Here’s an in-depth look at how co-digestion is being implemented globally and the tangible benefits it brings, underpinned by rigorous data. Strategic Advantages of Co-Digestion: • Cost Efficiency and Equipment Utilization: By adapting existing wastewater treatment plants (WWTPs) to handle multiple types of waste, we optimize both capital and operational expenses. This approach not only extends the functionality of current facilities but also increases their throughput without proportionate increases in costs. Data Insights from Global Implementations: • Munich, Germany: The Grüneck WWTP reported a 16% increase in energy production simply by adding 5.5 v/d of food waste. • Tyrol, Austria: Zirl WWTP saw a dramatic 174% rise in biogas production with an OLR increase from 1.17 to 2.18 kg VS/m³ d, significantly surpassing the plant’s energy demand. Challenges and Operational Insights: • Flexibility and Adaptation: Implementing co-digestion requires modifications for pre-treatment and substrate integration. For example, the Viareggio and Treviso WWTPs in Italy increased biogas production by 50% through careful adjustment of organic loadings. • Operational Challenges: Despite the benefits, co-digestion can introduce complexities such as increased maintenance needs, as seen in Lansdowne, Canada, where manual interventions were necessary to manage clogs and maintain system efficiency. Economic and Environmental Impact: • Energy Self-Sufficiency: At the Rovereto WWTP, the addition of OFMSW enabled 85% electricity self-generation, a significant improvement over the previous 50%. • Sustainability: The integration of co-digestion reduces the dependency on external energy sources, aligning with eco-friendly policies and enhancing the plant’s role in a sustainable circular economy. The journey towards optimizing co-digestion involves continuous research and development to address the variability in waste composition and other technical challenges. Sharing data and experiences across facilities globally can spur further innovations and improve scalability and effectiveness. #Biogas #RenewableEnergy #Sustainability #WasteToEnergy #CoDigestion #EnergyPolicy #CircularEconomy info and data source - mdpi.com