Activated Carbon for Seawater Desalination Pretreatment
CAS Number: 7440-44-0
Marine-grade granular activated carbon for seawater desalination pretreatment — removes residual chlorine, organic fouling precursors, and algal toxins before SWRO membranes to extend membrane life.
Technical Specifications
| hardness | ≥ 95% |
| packaging | 25 kg bags or bulk supersack |
| appearance | Black granular (8×30 US mesh) |
| iodine number | ≥ 950 mg/g |
| salt resistance | Suitable for TDS 35,000–45,000 mg/L seawater |
| chlorine removal | Dechlorinates to < 0.1 mg/L from 1 mg/L feed |
Applications
- Chlorine removal before SWRO membranes to prevent oxidative damage
- Natural organic matter (NOM) reduction to lower SDI
- Algal toxin and biofouling precursor removal during algae blooms
- Seawater intake pretreatment for open-ocean and beach-well sources
- Desalination plant RO feed water quality improvement
Key Features
- Effective chlorine removal to protect polyamide SWRO membranes from oxidative degradation
- Salt-resistant carbon matrix — performance unaffected by high-TDS seawater
- Extends SWRO membrane life by removing biofouling precursors and organic foulants
- Low pressure drop — optimized for high-flow marine pretreatment systems
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