Why Lithium Chloride Desiccant is the Moisture Con…
Posted by AVP on Apr 4th 2025
Air conditioning has come a long way since the 1930s when Dr. Russell Bichowsky of General Motors first experimented with lithium chloride to dry air. What started as a niche innovation is now an everyday necessity. But as demand for cooling skyrockets, we’re facing new challenges—rising electricity costs, overloaded power grids, and environmental concerns. That’s where lithium chloride desiccant steps in. It’s a smarter way to control humidity without cranking up the AC and burning through energy.
The Science Behind Lithium Chloride Desiccant
Desiccants absorb and retain moisture, and they come in two types—solid and liquid. Lithium chloride desiccant is the gold standard in desiccants. It’s incredibly stable, with a dehydration concentration of 30% to 45%, and can bring humidity levels down to 13%.
Why Lithium Chloride Desiccant is a Better Choice
The HVAC industry has been slow to adapt, sticking with energy-hungry cooling systems to regulate humidity. But lithium chloride desiccant offers a more efficient alternative. Instead of cooling air just to remove moisture, it absorbs humidity directly—cutting out unnecessary energy use.
No overcooling. No wasted electricity. Just better moisture control.
Where Lithium Chloride Desiccant is Making an Impact
1. Industrial & Agricultural Uses
Too much moisture can ruin entire industries. Textile mills rely on lithium chloride desiccant to keep fabrics from absorbing excess moisture, while crop storage facilities use it to prevent mold and spoilage.
Excess humidity can also lead to machinery corrosion and production inefficiencies, making reliable moisture control essential for maintaining product quality. Unlike traditional dehumidifiers, this method keeps conditions stable without requiring extreme cooling.
2. Air Conditioning & Dehumidification
HVAC systems using liquid desiccants are outperforming old-school cooling methods. They remove excess humidity without dropping the air temperature too much.
According to an article about successive dehumidification/regeneration cycles by LiCL desiccant for air-conditioning system,this means more efficient cooling, lower energy bills, and no need for oversized AC units struggling to compensate for high humidity.
3. Printing & Compressed Air Systems
Moisture is a nightmare in the printing world — smudged ink, warped paper, and production delays. Lithium chloride desiccant keeps conditions dry and controlled, making high-quality printing more reliable.
Compressed air systems also need moisture-free air to function properly. The Van Air Systems 10BF Gas Dry Max helps keep compressed air dry, preventing corrosion, blockages, and equipment failure.
Expanding the Use of Lithium Chloride Desiccant
4. Pharmaceutical and Medical Storage
Humidity control is a serious matter in pharmaceutical storage. Certain drugs and vaccines break down when exposed to moisture, making precise humidity control non-negotiable. Lithium chloride desiccant helps maintain ideal storage conditions, ensuring products stay effective and safe.
5. Museums, Archives, and Art Preservation
Priceless art and historical documents don’t stand a chance against humidity. Excess moisture leads to mold, paper deterioration, and paint damage. Museums and archives use lithium chloride desiccant to keep fragile artifacts in pristine condition without the risks associated with traditional dehumidifiers.
The Environmental Benefits of Lithium Chloride Desiccant
Let’s talk about the elephant in the room—air conditioning is a massive energy drain. With demand for cooling systems rising, energy efficiency is more important than ever. Lithium chloride desiccant reduces energy consumption by cutting out unnecessary cooling cycles. Instead of forcing air conditioners to overwork, it absorbs moisture directly, lowering energy costs and carbon emissions.
And here’s another bonus: It reduces water waste. Power plants use huge amounts of water for cooling, and with lithium chloride desiccant, we’re cutting down on that demand, helping conserve resources in water-scarce areas.
What Science Says About Lithium Chloride Desiccant
Research backs up what we already know—lithium chloride desiccant is an incredibly effective moisture control solution. Studies by Fumo, Nelso, and Goswami found that higher air flow rates improve efficiency, while a higher lithium chloride concentration improves mass transfer—meaning it absorbs moisture faster and more effectively than alternatives.
A comparison study between lithium chloride (LiCl) and calcium chloride (CaCl2) also confirmed that LiCl outperforms CaCl2 in moisture absorption under the same conditions. That doesn’t mean CaCl2 isn’t useful, but if you need maximum humidity control, lithium chloride desiccant is the way to go.
The Future of Humidity Control
More industries are moving toward lithium chloride desiccant because it’s cost-effective, energy-efficient, and better at controlling humidity than traditional methods. Whether you’re running an industrial facility, storing sensitive materials, or maintaining a compressed air system, moisture control isn’t optional — it’s essential.
Looking for an easy way to keep humidity under control? Check out more on how lithium chloride desiccant makes moisture management effortless in this blog.