High-Purity MOF Powders & Dispersions
Explore our flagship industrial-grade Metal-Organic Frameworks engineered for exceptional hydrolytic stability, ultra-high surface area, and selective molecular sorption.
Aluminum Fumarate (Alf MOF / Al-FUM) Synthesis & Coordination Chemistry
Aluminum Fumarate (commonly known as Alf MOF or Al-FUM) represents one of the most commercially viable and thermodynamically robust classes of Metal-Organic Frameworks (MOFs) produced at industrial scale today. Structurally built from infinite trans-corner-sharing AlO6 octahedra cross-linked by non-toxic fumaric acid linkers, Alf MOF forms a three-dimensional rhombic porous network with characteristic 1D diamond-shaped channels (~5.7 Å to 6.0 Å pore aperture). This specific pore architecture yields an extraordinary Langmuir surface area often exceeding 1,300 m²/g (BET surface area > 1,100 m²/g) alongside a micropore volume hovering around 0.48–0.52 cm³/g.
As a premier Alf Mof supplier and global exporter, KARGEN utilizes advanced green mechanochemical and continuous-flow hydrothermal synthesis technologies. Unlike legacy MOF synthesis protocols that rely on hazardous organic solvents like N,N-dimethylformamide (DMF), our proprietary green chemistry route synthesizes ultra-pure Alf MOF directly in aqueous media using earth-abundant aluminum salts (such as Al2(SO4)3 or Al(NO3)3) and fumaric acid. This process eliminates toxic VOC emissions, lowers energy consumption during activation, and dramatically decreases the total cost of ownership (TCO) for commercial adopters.
Key Thermodynamic & Physicochemical Specifications of Alf MOF
- Chemical Formula: [Al(OH)(C4H2O4)]·nH2O (Aluminum Hydroxide Fumarate)
- BET Surface Area: 1,050 – 1,250 m²/g
- Total Pore Volume: 0.46 – 0.53 cm³/g
- Thermal Degradation Threshold: Stable up to 360°C in ambient air / 420°C in N2
- Hydrolytic Stability: High resilience over 10,000+ water adsorption-desorption humidity cycles without structural collapse
- Water Vapor Desorption Temperature: Unprecedented low regeneration energy required (typically 65°C – 85°C)
The core advantage of Alf MOF lies in its unique S-shaped (Type V) water vapor adsorption isotherm. Unlike silica gels or zeolites that exhibit linear or steep Type I adsorption requiring high regeneration temperatures (>150°C), Alf MOF displays a sharp adsorption jump around 20%–30% relative humidity (RH). This allows the material to release absorbed moisture rapidly under mild solar thermal or industrial waste-heat drive (60°C–80°C), making it the ultimate material solution for sustainable energy applications.
Global Industrial Status & Commercial Scalability of Alf MOF
Analyzing the shift from laboratory-scale synthesis to metric-ton manufacturing supply chains across North America, Europe, and Asia-Pacific.
Supply Chain Decoupling & Cost Curves
Historically, MOFs faced commercial bottlenecks due to astronomical pricing ($50–$100/gram for academic reagents). Through continuous aqueous synthesis, KARGEN has lowered production costs to commercial scales ($/kg level), enabling bulk integration into industrial desiccant wheels and HVAC heat exchangers.
Export & Compliance Engineering
As a premier exporter serving Tier-1 OEMs in North America, Western Europe, and Japan, our production lines follow strict ISO 9001, ISO 14001, and REACH protocols. Every exported lot of Alf MOF powder or dispersion includes comprehensive Powder X-Ray Diffraction (PXRD), N2 physisorption BET, and TGA analytical certificates.
Formulation & Shaped Extrudates
Raw MOF powders cannot be directly packed into industrial sorption beds due to severe pressure drops and attrition. KARGEN offers proprietary binder-formulation services, producing 1–3 mm spherical granules, extrudates, and monolithic MOF coatings tailored for dynamic air-flow systems.
Target Industrial Applications & Deployment Scenarios
How engineered porosity solves real process challenges across energy, environmental, and thermal management sectors.
1. Atmospheric Water Harvesting (AWH) in Arid Environments
In water-stressed regions (Middle East, North Africa, Australia, Southwestern US), traditional atmospheric water harvesting relies on energy-intensive vapor compression refrigeration, which fails at relative humidity below 30%. Alf MOF captures clean drinking water directly from air at humidity as low as 15%–20% RH. Using free off-grid solar thermal energy, the trapped water vapor desorbs rapidly at ~70°C, delivering up to 1.3 to 1.8 liters of potable water per kilogram of Alf MOF per day.
2. Next-Generation HVAC Latent-Load Cooling & Dehumidification Wheels
Commercial air conditioning consumes up to 20% of total electrical energy in modern buildings, primarily due to handling latent heat (moisture removal). By integrating Alf MOF coatings directly onto heat exchangers or desiccant wheels, moisture is continuously scrubbed from incoming air. The desiccant wheel can be regenerated using low-grade waste heat (65°C–80°C) from data center servers or industrial boilers, reducing overall chiller electrical consumption by 35% to 55%.
3. Carbon Capture, Utilization & Storage (CCUS)
While Zr-MOFs like MOF-808 excel in liquid phase separations, Alf MOF provides an ultra-low-cost option for post-combustion flue gas scrubbing. With high CO₂ selective sorption over N₂ in humid environments, Alf MOF adsorbents enable dynamic Vacuum Swing Adsorption (VSA) units to extract pure CO₂ from power plant exhaust channels without hydrolytic degradation of the porous framework.
4. Battery Separator Functional Coatings
In high-density Lithium-ion and solid-state batteries, thermal runaway and lithium dendrite growth present significant safety barriers. Coating battery polyolefin separators with sub-micron Alf MOF or ZIF-8 nanoparticles creates a uniform ion-flux redistribution layer. The open Lewis acid sites in the framework trap trace moisture and acidic decomposition products in the liquid electrolyte, boosting high-temperature cycle life by over 40%.
Comparative Benchmark: Alf MOF vs. Legacy Adsorbents
Empirical performance comparison demonstrating the economic and thermodynamic superiority of Aluminum Fumarate over traditional porous media.
| Adsorbent Material | BET Surface Area (m²/g) | Water Uptake (wt% @ 30% RH) | Regeneration Temp (°C) | Hydrolytic Cycle Life | Commercial Viability Score |
|---|---|---|---|---|---|
| Alf MOF (Al-FUM) | 1,150 - 1,300 | 42% - 48% | 65°C - 80°C | > 10,000 Cycles | High (Ton Scale) |
| ZIF-8 (Zinc Imidazolate) | 1,300 - 1,600 | < 5% (Hydrophobic) | 100°C - 120°C | > 8,000 Cycles | High (Ton Scale) |
| HKUST-1 (Copper BTC) | 1,500 - 1,800 | 40% (Degrades over time) | 120°C - 140°C | < 500 Cycles (Moisture sensitive) | Medium |
| Silica Gel (Type A) | 600 - 750 | 10% - 15% | 120°C - 150°C | > 5,000 Cycles | High (Commodity) |
| Zeolite 13X | 500 - 700 | 22% - 26% | 200°C - 300°C | > 10,000 Cycles | High (Commodity) |
| Activated Alumina | 300 - 350 | 8% - 12% | 150°C - 200°C | > 5,000 Cycles | High (Commodity) |
Technology Roadmap: Next-Gen MOF Commercialization (2025–2035)
Phase I (2025–2027): Continuous Green Scale-Up
Transitioning 100% of synthesis lines to solvent-free mechanochemistry and continuous fluidic-bed crystallizers. Goal: Achieving sub-$15/kg cost targets for bulk industrial desiccant buyers globally.
Phase II (2027–2030): Mixed-Matrix Composites
Engineering 3D printed monolithic MOF structures, foam laminates, and MOF-polymer electrospun fibers for integrated HVAC cassettes, automotive air management, and direct air capture (DAC) modules.
Phase III (2030–2035): Thermochemical Thermal Batteries
Deploying high-density Alf MOF adsorption beds for seasonal heat storage and industrial waste-heat recycling, serving as solid-state thermal batteries for zero-carbon building infrastructure.
Specialized Gas Separation & Adsorption MOFs
Explore our comprehensive chemical framework catalog exported worldwide for research, pilot programs, and commercial manufacturing integration.
Frequently Asked Questions (FAQ) for Business Buyers
Technical guidance, sample qualification procedures, and commercial terms for procurement teams evaluating Alf MOF materials.
KARGEN offers qualified enterprise buyers evaluation sample sizes ranging from 1g to 5g free of charge (with freight paid by the buyer). For pilot-plant validation, we provide 500g, 1kg, and 5kg trial packages with complete Certificate of Analysis (CoA), PXRD patterns, and N₂ BET surface area reports.
Unlike Cu-MOFs (e.g., HKUST-1) which degrade rapidly when exposed to liquid moisture, Alf MOF possesses exceptional hydrolytic stability. Its coordinate bonds between trivalent Aluminum (Al³⁺) centers and carboxylate oxygen atoms are exceptionally strong, allowing it to withstand thousands of adsorption-desorption water cycles without structural degradation or loss of BET surface area.
Yes. Loose powders are often impractical for industrial packed beds due to dusting and high pressure drops. KARGEN provides custom granulation services, manufacturing 1–3 mm spherical beads, cylindrical extrudates, honeycomb monolith coatings, and liquid dispersion slurries customized for OEM coating lines.
Standard off-the-shelf MOF powders (such as Alf MOF, ZIF-8, HKUST-1, and UiO-66) ship within 3–5 business days. Commercial bulk orders (100 kg to multi-ton scale) typically carry a 3 to 4 week manufacturing lead time. We export globally via air freight and ocean logistics in compliance with international chemical handling regulations.
Absolutely. Backed by a team of over 10 PhD scientists and partnerships with 70+ research institutions worldwide, KARGEN regularly performs contract synthesis (OEM/ODM) for proprietary MOF architectures, functionalized linkers, and specialized metal nodes under strict non-disclosure agreements.