Overview
Europium has no deposit of its own. It is a co-product of heavy rare-earth processing from the ion-adsorption clays of southern China, and there is no europium production in the United States, the European Union or Japan — not one plant. China holds a monopoly of up to 99 % of production and separation.
Two streams carry europium above ground and already in solution: leachates of spent phosphors, and acid mine drainage. Both are discharged today as waste.
The price history is the argument. Europium oxide was $3,000–4,500/kg fifteen years ago. After China lifted the export quotas it collapsed to $50–200/kg and has sat near $25 since; it stood at $25.35/kg, up 12.8 % in a month. A monopolist steers the price in both directions: it pushed europium up sixty-fold, then dropped it far enough that every Western project shut. Shortage and crash are the same instrument.
The consequence for this card is that europium is not the payer. In a spent-phosphor stream terbium carries the economics and europium rides along — but the separation capability is what breaks the dependency.
Applications
LEDs and displays. Europium activates the red and blue components of the phosphor.
Anti-counterfeiting. Markers in euro banknote ink and in secure documents.
Nuclear power. Control rods — europium absorbs neutrons.
Operating Principle
ARBOK-ZWD takes the leachate or the drainage whole — a containerised module at 200 m³/day — and separates it by phase transition under deep vacuum at the temperature of the surroundings.
Water leaves clean at 100 % of intake with zero discharge. All salts, critical metals and rare earths leave as dry separated fractions. The concentrate goes to compact refining into individual oxides, and that separation step is precisely the bottleneck the monopoly stands on. Mercury is immobilised and acid drainage neutralised in the same pass.
No membranes, no reagents, no consumables; 1 kWh/m³.
Key Parameters
| Parameter | Value |
|—|—|
| Process | ARBOK-ZWD, deep-vacuum phase separation |
| Working temperature | ambient — no heat supplied, no setpoint |
| Specific energy | 1 kWh/m³ |
| Module | containerised, 200 m³/day |
| Water return | 100 % of intake; zero discharge |
| Outputs | dry separated fractions of salts, critical metals and rare earths |
| Second stage | compact refining into individual oxides |
| Side effects in the same pass | mercury immobilised, acid drainage neutralised |
| Consumables | none |
Typical spent-phosphor composition and value:
| Component | Content | Per tonne of powder |
|—|—|—|
| Europium | 0.5–1.5 % | 5–15 kg × $25 = $125–375 |
| Terbium | 0.3–0.6 % | 3–6 kg × $1,095 = $3,285–6,570 |
| Yttrium | 8–12 % | 80–120 kg |
Market context for the metal:
| Parameter | Value |
|—|—|
| Europium oxide price | $25.35/kg, +12.8 % in a month |
| Price 15 years ago | $3,000–4,500/kg |
| After quotas lifted | collapsed to $50–200/kg, then near $25 |
| Concentration of supply | China, up to 99 % of production and separation |
| Western production | none |
| Terbium price | $1,095/kg inside China, $1,565/kg for export |
Architecture and Components
Containerised ARBOK-ZWD module at 200 m³/day on the leachate or drainage line: deep-vacuum separation stage, vapour condensation and full water return, dry-fraction collection. Downstream, a compact refining unit separates the concentrate into individual rare-earth oxides.
Detailed equipment specification: [требует уточнения из базы].
Advantages
The feedstock is already collected and paid for. Under WEEE the lamp powder is gathered by law; it is trucked to landfill as mercury-bearing waste. It was simply called waste rather than ore.
Separation, not just extraction. Producing a mixed concentrate does not break the dependency; separating it into individual oxides does, and that is the step the monopoly holds.
Two liabilities removed. Mercury is immobilised and acid drainage neutralised in the same pass, so disposal cost disappears rather than moving.
Economics do not depend on europium's price. Terbium and yttrium carry the value, which insulates the case from the very price manipulation that killed earlier Western projects.
Operationally. 1 kWh/m³, containerised, no membranes, no reagents, no consumables, full water return.
Integrations
ARBOK-Ruthenium · ARBOK-Bismuth · ARBOK-Scandium-REE · ARBOK-Purification · ARBOK-NUKE
The same module and the same in-solution separation serve the wider rare-earth and critical-metal recovery from leachates and acid mine drainage.
Deployment & Operation
Two source streams. Leachates of spent phosphors; acid mine drainage.
Named target geographies.
- European Union — mandatory lamp collection under WEEE, so the powder is already gathered
- United States, Japan, Korea — the same phosphor-waste stockpiles
- Appalachia and the Iberian belt — acid drainage as the second stream
- Any country that wants its own LEDs and banknotes without a licence
TRL
TRL 8 — проставлен Михаилом 2026-08-06.
Market Potential
Europium is cheap not because nobody needs it. It is cheap because a monopolist decided so, and the reason is his alone. With an alternative route to europium and to its separation, the monopoly stops setting the terms.
The addressable volume is defined by phosphor-waste stockpiles already assembled under collection law, plus acid drainage, rather than by any new mining.
Quantified market sizing: [требует уточнения из базы].
Typical Project Economics
Per tonne of spent phosphor at typical composition, the recoverable metals are worth $4,000–8,000 — powder currently trucked to landfill as mercury-bearing waste.
Avoided disposal runs about $1/kg at operator rates, that is a further ~$1,000 per tonne.
On a 5,000 t stockpile: $5 M of disposal cost that never happens, on top of $20–40 M of metals.
One further line: terbium costs $1,095/kg inside China and $1,565/kg for export. That $470 per kilogram is the price of the plant not being yours.
Risk Factors
Europium itself contributes little of the value — the case rests on terbium and yttrium, so it is exposed to their prices rather than to europium's. No readiness rating is recorded in the base for this application. Phosphor composition varies by lamp type and stockpile age, so site-specific assay is required before commitment. Separation into individual oxides is the decisive capability; it is performed in the same pass, and purity per pass is commercial information not recorded here. Handling mercury-bearing powder carries permitting exposure even when the mercury is immobilised. Finally, the price history is itself the risk: a dominant supplier that has twice moved the price sixty-fold can do so again in response to new capacity.
Related Technologies
ARBOK-Ruthenium · ARBOK-Bismuth · ARBOK-Scandium-REE · ARBOK-Purification · ARBOK-NUKE · ARBOK-Indium