Viva Bio LLC, a leader in sustainable material innovation, announced its recent patent filing covering thousands of novel Metal-Organic Frameworks (MOFs) designed for carbon capture in industries such as Power Generation, Oil & Gas, Cement, Plastics, and more.

Metal-Organic Frameworks (MOFs) are a class of materials that consist of metal ions or clusters coordinated to organic ligands, forming one-, two-, or three-dimensional structures. MOFs offer immense flexibility in their chemical composition, enabling the creation of highly specialized sustainable materials with enhanced properties.

Viva Bio’s MOFs offer significant advantages for green concrete applications by capturing and utilizing CO2, enhancing strength, durability, and sustainability, and promoting eco-friendly construction practices. These key features include:

• Large surface area: MOFs possess a high surface area, making them highly efficient in sequestering CO2 during the production of green concrete. The CO2 can be harnessed in processes like CO2 curing, where it is incorporated into the concrete matrix to improve strength and reduce carbon emissions.

• High CO2 adsorption capacity: MOFs surpass traditional materials such as zeolites and activated carbon due to their superior CO2 adsorption capabilities. Capturing CO2 from cement manufacturing processes allows for a more sustainable approach to minimizing greenhouse gas emissions.

• Tuneable pore size and selectivity: The porous structure of MOFs enables precise control over which molecules pass through or are captured. Their selective CO2 capture—even in the presence of other gases like N2 or water vapor—makes them ideal for carbon capture applications, enhancing the efficiency of CO2 utilization in concrete curing.

• Catalytic properties: MOFs act as heterogeneous catalysts, accelerating the carbonation process in green concrete production. This increases CO2 utilization efficiency, strengthening the concrete and minimizing net carbon emissions.

• Reusability and regenerability: MOFs can undergo multiple adsorption-desorption cycles without significant performance degradation, making them ideal for continuous use in industrial applications. This reduces the need for frequent replacements and enhances the economic and environmental sustainability of green concrete production.

• Lightweight and low density: MOFs are lightweight, which allows them to be incorporated into concrete formulations without significantly increasing material weight, crucial for maintaining structural integrity.

• Structural flexibility and moisture regulation: MOFs’ adaptability to varying conditions makes them suitable for dynamic environments like cement plants, where temperature, pressure, and gas composition fluctuate.

• Thermal stability and chemical resistance: MOFs’ chemical stability allows them to withstand harsh conditions such as varying pH levels, temperature changes, and moisture, ensuring reliability during concrete curing and production processes.

• Modularity and scalability: Scalable production methods make MOFs ideal for large-scale industrial applications, meeting the demand for efficient and economically viable carbon capture solutions in cement production.

Examples of Viva Bio MOFs for Green Concrete Applications:
• Zeolitic Imidazolate Frameworks (e.g., ZIF-8): High chemical stability and mechanical strength for thermal insulation, moisture control, and improved durability.
• Amino acid-based MOFs: Suitable for sustainable construction materials.
• Carboxylate-based MOFs (e.g., UiO-66, UiO-67): Notable for their stability under harsh conditions.
• Porphyrin-based MOFs (e.g., M-TCPP): Large surface area and high stability, supporting energy-efficient concrete with self-cleaning and catalytic properties.
• Phosphonate-based MOFs (e.g., MIL-91(Al)): Ideal for heat-resistant environments.
• HKUST-1 (Cu-BTC): High porosity for effective CO2 capture during concrete curing.

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