Product Overview
Nuclear safety demands materials that perform flawlessly under the most critical conditions. PSD-NPC is our nuclear-grade coconut shell carbon, impregnated with specialized catalyst carriers and subjected to deep processing that creates an extraordinarily effective barrier against radioactive contaminants.
The carbon substrate is manufactured from premium coconut shell charcoal, selected for its high purity and structural integrity. Through advanced impregnation technology, the carbon surface is modified to enhance chemisorption of radioactive iodine species—particularly methyl iodide (CH3I) and elemental iodine (I2)—which are among the most radiologically significant fission products released during nuclear incidents.
Specifications
| Technical Specifications | PSD-NPC | Unit |
| lodine adsorption value | > 1400 | mg/g |
| Bulk density | 450~550 | kg/m³ |
| PH | 8-11 | - |
| Strength | > 95 | % |
| Float ash | No obvious black grip | - |
| Methyl iodine adsorption (low temperaturel) | > 99 | % |
| Elemental iodine adsorption | ≥ 99.9 | % |
| Methyl iodine adsorption(High temperature) | > 98 | % |
Nuclear Applications
- Nuclear power plant ventilation systems — containment and control building air filtration
- Nuclear fuel cycle facilities — process off-gas treatment
- Radioactive waste management — vapor-phase iodine capture
- Emergency response systems — mobile filtration units for accident scenarios
- Research reactors and isotope production facilities
Key Features
- Certified Radiological Performance — EJ/T20056-2014 verified: methyl iodide removal >99% (low temp), >98% (high temp), elemental iodine >99.9%. Proven protection against the most penetrating radioactive iodine forms.
- Ultra-High Iodine Base — >1400 mg/g iodine adsorption delivers exceptional micropore capacity for trace radioactive contaminants at low concentrations. Extends service life beyond standard water-treatment grades.
- Seismic-Grade Hardness — >95% pellet strength withstands seismic events, pressure transients, and continuous blower vibration. Prevents attrition fines that could compromise downstream HEPA filters.
- Deep-Processed Impregnation — Catalyst carrier loaded onto premium coconut shell substrate creates chemisorption sites for methyl iodide and elemental iodine. Ensures stable capture under temperature and humidity swings.
How PSD-NPC Enables Nuclear Grade Coconut Shell Carbon Iodine Capture
Nuclear power plant ventilation and emergency response systems must capture radioactive iodine species—particularly methyl iodide and elemental iodine—which are among the most radiologically significant fission products. Standard activated carbons may adsorb some iodine physically but lack the chemisorption capacity and impregnation chemistry needed for the extreme removal efficiencies required by nuclear safety standards. Advanced impregnation technology modifies the carbon surface for chemisorption of radioactive iodine.
PSD-NPC undergoes deep processing that loads specialized catalyst carriers onto the high-purity coconut shell substrate. This creates dedicated chemisorption sites that bind methyl iodide and elemental iodine into stable, non-volatile compounds. The performance is verified under EJ/T20056-2014 and equivalent international standards: >99% methyl iodide removal at low temperature, >98% at high temperature, and >99.9% elemental iodine removal. The >95% hardness ensures structural integrity in high-flow ventilation systems under seismic and pressure transient conditions.
PSD-NPC vs Standard Iodine-Removal and Multi-Purpose Carbons
Standard activated carbons or general impregnated grades marketed for "iodine removal" may adsorb elemental iodine to some degree but fail against methyl iodide—the more volatile and penetrating species that dominates radiological release scenarios. Multi-gas cartridges such as ABEK cover organic vapors, acid gases, and ammonia but are not formulated or tested for radioactive iodine capture under nuclear industry standards.
PSD-NPC is purpose-qualified as nuclear grade coconut shell carbon iodine capture media. Unlike standard iodine carbons, the specialized impregnation and deep processing are specifically engineered for radioactive iodine species under nuclear-grade qualification protocols. For nuclear fuel cycle facilities, radioactive waste management, and research reactors where regulatory compliance depends on proven iodine removal efficiency, PSD-NPC provides the certified performance that general-purpose carbons cannot offer. Choose standard carbons for general industrial iodine control; select ABEK for multi-gas respiratory protection; choose nuclear grade coconut shell carbon iodine PSD-NPC when nuclear safety and regulatory qualification are mandatory.