Lanthanum
Substitutes
Substitutes and Alternatives for Lanthanum
The availability of viable substitutes is a key factor in assessing Lanthanum's criticality. Across its 4 primary applications, substitution options range from commercially viable alternatives with performance trade-offs to applications where Lanthanum currently has no effective substitute.
Criticality
High
Risk assessment
Applications
5
Primary end-uses
Substitution Options
4
By application
Supply Risk
High
Substitution Analysis by Application
The following table details available substitutes for Lanthanum across its primary applications, including the trade-offs involved:
| Application | Substitute | Trade-offs & Notes |
|---|---|---|
| FCC petroleum catalysts | Cerium, neodymium (partial) | Lanthanum provides optimal performance in FCC catalysts but other rare earths can partially substitute with some activity loss |
| NiMH batteries | Li-ion batteries | Li-ion has largely replaced NiMH in most applications except Toyota hybrid vehicles which still use NiMH; Toyota is transitioning |
| Optical glass | Titanium oxide, niobium oxide | Lanthanum glass has uniquely high refractive index with low dispersion; alternatives exist but with inferior optical properties |
| Phosphate binder (Fosrenol) | Sevelamer, calcium-based binders | Lanthanum carbonate is one of several phosphate binders for dialysis patients; alternatives have different side effect profiles |
Performance Trade-offs
In most applications, substituting Lanthanum involves measurable performance penalties. Lanthanum provides optimal performance in FCC catalysts but other rare earths can partially substitute with some activity loss. In high-performance applications such as petroleum refining catalysts, these trade-offs can be particularly significant.
Research and Development
Active research programs are underway to develop improved substitutes and to reduce the amount of Lanthanum required per unit of product (thrifting). However, timelines for commercializing new alternatives typically span years to decades. The limited substitutability of Lanthanum is a primary driver of its high criticality rating, prompting government-funded substitution research programs.
More on Lanthanum
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Uses & Applications
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Supply Chain
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Mining & Processing
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Refining & Grade Specs
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Recycling
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Investing
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