| Arsenic Removal Plants in West Bengal (2002) | ||||
| Name | Activity Type | Media | Capacity | Price |
| RPM Marketing Pvt. Ltd. New Delhi Representig Alcan Chemicals, USA | Adsorbant | Activated + Alumina + AAFS-50 Patented | Media Capacity Based on 20000 Litres of Water Per Year with 0.5 ppm per Litre Intake. | Rs. 443000/- + Rs. 20000/- per Charge |
| Water Systems International, USA Represented by Harmonite Impex (Pvt.) Ltd. Kolkata. | Ion Exchange | Bucket of Resin (BOR) - Mostly Combination of Metal-oxides Patented | 300000 Litres Based on 1ppm | Rs. 92300/- + Rs. 39000/- per Charge + 4% W.B. Sales Tax Rs. 95992/- |
| Pal Trockner (P) Ltd., Kolkata | Adsorbant | AdsorpAS ® Patented_ | 900000 Litres Based on 1ppm (Requires Periodic Backwash) | Rs. 74100/- + Rs. 25000/- per Charge |
| Oxide India (Catalyst) Pvt. Ltd. Durgapur Representing BE College Model | Adsorbant | Activated Alumina AS 37 | Based on 2 Years Base Performance with 600 Litres per Hour Capacity 4000 Litres/Day for 0.5 ppm Raw Water. | Rs.47300/- + Rs. 14400/- per Charge + 4% W.B. Sales Tax |
| Adhiacon, Kolkata | AFDWS 2000 (Patent Pending) | (Requires Periodical Sludge Removal or Backwash) | Rs. 75000/- | |
| All India Institute of Hygiene & Public Health, Kolkata Model | Oxidation + Coagulation + Flocculation/Prec/Filtration | Chlorinating Agent (BP) + Ferric Alum (Calculated Dose) | 1000 (Litres per Hour (Requires Periodic Sludge Removal and/or Cleaning) | Rs. 35000/- + Periodic Chemical Reagents Charges |
| IONOCHEM, Kolkata | Ion Exchange | Ferric Hydroxide | Based on 0.5 ppm 1440000 Litres With 600 Lites per hour. | Rs 39000/- |
| Apyron Technologies India (P) Ltd., Representing Apyron Technologies Inc. USA | Adsorbant | Aqua Bind (Activated Alumina + ) Patented Mostly Combination of Metal Oxides. | Based on 1 ppm, 1000 Litre of Water/day, Periodic Media Replacement at 6-8 Months. | Rs. 80000/- + Rs. 15000/- per Recharging |
| School of Fundamental Research, Kolkata | Adsorption | Alluminium Sillicate + Ferric Hydroxide | Based on 0.5 ppm 2000 Litres/day, Media Recharging at 4-6 Months | Rs. 8000/- + Rs. 1200/- per Recharging |
| Public Health Engineering Dept., Govt. of West Bengal, Model | Adsorption | Red Hematite (Fe2O3) Lumps + Quartz + Sand Activated Alumina | 600-1000 Litres per hour (Requires Periodical Sludge Removal and/or Backwash/Cleaning) | Rs. 27000/- as per 1997 Estimate |
