Explore our commercial-grade Metal-Organic Framework portfolio, standardized for gas adsorption, moisture harvesting, catalytic support, and advanced separation processes.
Crystallographic Fundamentals & Structural Architecture of CAU-10-H
Metal-Organic Frameworks (MOFs) have shifted from academic curiosities to indispensable industrial advanced materials. Among the vast library of porous coordination polymers, CAU-10-H (Christian-Albrechts-University material 10-Hydrated/Hydrogen form), structurally defined as [Al(OH)(m-BDC)] where m-BDC represents the 1,3-benzenedicarboxylate (isophthalate) linker, stands out as a premier benchmark for industrial water vapor adsorption, desiccant cooling, and gas purification.
The structural integrity of CAU-10-H relies on corner-sharing octahedral $AlO_6$ chains linked via cis-oriented hydroxyl groups ($OH^-$), creating a robust, three-dimensional inorganic-organic framework containing helical 1D channels. The aperture of these microporous channels measures approximately $0.32 \text{ nm} \times 0.54 \text{ nm}$, perfectly sized to accommodate water molecules while excluding larger organic contaminants or non-polar gaseous species.
Hydrothermal Stability Mechanism: The Aluminum Advantage
A primary limitation of early MOFs such as HKUST-1 or MOF-5 was structural collapse upon contact with atmospheric moisture due to ligand displacement by water molecules at weak metal-coordination centers. CAU-10-H overcomes this bottleneck entirely through the high polarization strength of the trivalent aluminum ion ($Al^{3+}$) combined with strong covalent Al–O bond kinetics.
The inorganic backbone consists of infinite helical chains of $[AlO_6]$ octahedra sharing opposite edges via $OH$ groups. This steric shielding restricts water molecule attacks on the coordination nodes, enabling CAU-10-H to sustain over 10,000 continuous adsorption-desorption cycles under 100% relative humidity (RH) without degradation of powder X-ray diffraction (PXRD) peak intensities or loss of specific surface area.
Scalable Mechanochemical Manufacturing & Quality Protocols
As a premier global exporter and service provider, our manufacturing paradigm bridges the gap between laboratory synthesis and metric-ton industrial delivery. Traditional solvothermal routes for CAU-10-H relied heavily on organic solvents like N,N-dimethylformamide (DMF). Our green manufacturing facility utilizes optimized aqueous solvothermal and continuous solvent-free mechanochemical extrusion routes.
100% Aqueous Synthesis
By substituting hazardous DMF solvents with controlled pressurized water chemistry, we eliminate toxic organic residues, ensuring REACH compliance and reducing E-factor metrics to industry-leading lows.
Rapid Mechanochemical Scaling
Reactive twin-screw extrusion enables continuous solvent-free processing, producing over 50 metric tons of CAU-10-H powder annually with batch-to-batch BET variance below ±3%.
Strict Batch QA/QC Protocols
Every commercial lot undergoes rigorous metrological validation: Nitrogen sorption (77 K), PXRD phase purity, TGA thermal breakdown (>350 °C), and dynamic water vapor sorption kinetics.
Industrial Sorbent Material Benchmark Comparison
To demonstrate the Information Gain of CAU-10-H over conventional commercial sorbents, review the standardized technical matrix below:
| Adsorbent Material | BET Surface Area (m²/g) | Water Uptake (P/P₀ = 0.2) | Regeneration Temp (°C) | Hydrothermal Durability |
|---|---|---|---|---|
| CAU-10-H (Our Grade) | 650 – 1100 | 32–36 wt% | 65 – 80 °C | Outstanding (>10,000 cycles) |
| Silica Gel (Type A) | 600 – 750 | 6–10 wt% | 120 – 150 °C | Moderate (Degrades in hot steam) |
| Zeolite 13X | 700 – 800 | 18–22 wt% | 200 – 300 °C | High Energy Requirement |
| MIL-100(Al) | 1500 – 2000 | 12–15 wt% | 90 – 110 °C | Good |
| MOF-801 (Zr-based) | 800 – 1000 | 28–32 wt% | 85 – 105 °C | High Production Cost |
High-Impact Industrial Application Scenarios
CAU-10-H exhibits a unique Type V S-shaped water vapor adsorption isotherm with a steep inflection point located between relative humidity ($P/P_0$) of 0.10 and 0.25. This allows full saturation at low relative humidity and complete desorption under mild thermal energy ($<75^\circ C$), making it the ideal candidate for next-generation clean-tech applications.
1. Atmospheric Water Harvesting (AWH) in Arid Regions
In hyper-arid regions where relative humidity drops below 20%, silica gel and activated alumina fail to adsorb liquid water efficiently, while zeolites lock water so tightly that high-temperature solar concentrated thermal energy ($>200^\circ C$) is required for release.
CAU-10-H Solution: Thanks to its steep water uptake at $P/P_0 = 0.15$, CAU-10-H collects up to 0.35 grams of pure water per gram of MOF under ambient desert night conditions and releases 95%+ of captured water under standard non-concentrated solar thermal collectors ($65-75^\circ C$).
2. Adsorption Heat Pumps & Desiccant HVAC Chilling
Modern commercial HVAC systems consume vast energy removing latent humidity load via mechanical vapor compression. Incorporating CAU-10-H coated desiccant wheels or heat-exchanger fins decoupled latent cooling from sensible cooling.
Energy Savings: Facilities utilizing CAU-10-H sorbent beds driven by industrial waste heat ($60–80^\circ C$) report electrical power consumption reductions up to 45% with Coefficient of Performance (COP) values exceeding 0.85 in adsorption chillers.
3. Semiconductor & Industrial Gas Dehydration
Ultra-pure industrial gases ($N_2$, $Ar$, $CO_2$, compressed air) require sub-ppm water vapor levels to prevent piping corrosion and device defects during semiconductor fabrication or chemical synthesis.
Precision Drying: CAU-10-H fixed beds achieve dew points below $-60^\circ C$ with significantly lower pressure drops than traditional molecular sieves due to customized micro-pellet and sphere morphology extrusion options.
4. Mixed-Matrix Separation Membranes (MMMs)
Incorporating nano-sized CAU-10-H particles into polymeric matrices (such as polyimides, Pebax, or polysulfone) enhances gas permeability without sacrificing selectivity.
Membrane Enhancement: The rigid pore apertures ($0.32 \text{ nm}$) accelerate water vapor or $CO_2$ transport while maintaining superior mechanical durability and compatibility with host polymer chains.
Export Capabilities, Shaping Services & Regulatory Compliance
As an authority in international chemical exports, our company supplies end-to-end technical service, customized material shaping, and global logistics security tailored for tier-1 industrial clients in North America, Europe, Asia-Pacific, and the Middle East.
Custom Shaping & Formulations
We provide raw high-purity CAU-10-H powders as well as structured granules, extrudates (1.5mm – 3.0mm), spherical beads, and binder-free monoliths engineered for low flow resistance in packed bed reactors.
Direct Wash-Coating Services
Our proprietary slurry formulation technology enables direct automated dip-coating or spray-coating of CAU-10-H onto aluminum honeycomb matrices, heat exchangers, and stainless steel fins with zero delamination risk.
Full Regulatory & Safety Compliance
All shipments include comprehensive documentation: Safety Data Sheets (SDS) in compliance with GHS standards, Certificates of Analysis (COA) per lot, REACH registration, ISO 9001/14001 certification, and TSCA compliance.
Technology Roadmap: Next-Generation CAU-10 Derivative Frameworks
To maintain competitive leadership and deliver actionable Information Gain to carbon-neutral initiatives, our research scientists are expanding the CAU-10 family through post-synthetic modification (PSM) and link-functionalization:
CAU-10-NH₂ Functionalization
Incorporating amino groups ($-\text{NH}_2$) onto the isophthalate linker shifts the water adsorption inflection point to lower relative humidity values ($P/P_0 < 0.08$), targeted at ultra-dry gas scrubbing and low-temp ambient water collection.
Defect-Engineered CAU-10
Controlled missing-linker defect synthesis introduces open Lewis acidic sites within the crystal framework, dramatically improving catalytic performance for CO₂ cycloaddition and target esterification reactions.
Core-Shell Composite Architecture
Synthesizing CAU-10-H shells over highly thermally conductive graphene or carbon nanotube cores maximizes heat transfer rates during rapid thermal swing adsorption (TSA) cycles, shortening cycle times by 60%.
Frequently Asked Questions: CAU-10-H Service & Global Procurement
Get definitive, expert-level technical answers regarding CAU-10-H specifications, handling, ordering, and application engineering.
Review additional high-purity MOF grades available for combined container shipping and multi-framework research projects.
