CuFe Prussian Blue Adsorbent

Synergistic acidic sites

This adsorbent combines high selectivity, excellent regeneration stability, and resource recovery capability, making it suitable for trace ammonia mitigation.

Guancheng, Wang · Abdulla, Eziz · Abulizi, Abulikemu · Hongyu, Fu · Okitsu, Kenji · Ren, Tiezhen · Nulahong, Aisha · Mamat, Anwar

Separation and Purification Technology 2026

Specifications

NH3 equilibrium adsorption capacity

{'zh': '164.2', 'en': '164.2'} mg/g

Capacity retention after five acid-wash regeneration cycles

{'zh': '95', 'en': '95'} %

NH3 selectivity

{'zh': '94', 'en': '94'} %

Advantages

High capacity

Equilibrium adsorption capacity reaches 164.2 mg/g, higher than the monometallic CuHCF benchmark.

Stable regeneration

Retains 95% capacity after five acid-wash regeneration cycles with stable framework.

High selectivity

NH3 selectivity of 94%, reducing interference from co-existing gases.

Applications

• Industrial exhaust treatment：Deep removal of trace ammonia from industrial exhaust to prevent malodor and ecological hazards.
• Livestock odor control：Adsorb ammonia emitted from livestock facilities at the source to reduce environmental impact.
• Food processing air purification：Purify ammonia-containing odors in food processing facilities to improve indoor air quality.
• Gas adsorbents：Serve as a dedicated adsorbent material for efficient ammonia capture applications.