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Guest post by: Mrinalini Goswami
Both the purifiers already have identified their space in the niche of household water treatment establishing themselves as competitive technologies. Brief highlights of both the purifiers are compiled in the table below:
Key features | PureIt | Swach | ||||
| PureIt Compact | PureIt classic | PureIt Autofill | Swach | Swach Smart | Swach Magic |
Availability of different ranges and variety | Three different varieties are available in the range Rs. 1000 to Rs. 3200 | Three different varieties are available in the range Rs. 499 to Rs. 1498 | ||||
Technology | It is a 4 stage purification technology comprises of microfiber mesh for dirt, compact carbon trap for parasite & pesticide, germkill processor for bacteria & virus removal and a polisher for making the water tasty and odourless. | TATA Swach ®TSRF™technology is based on nanotechnology efficient for removal of bacteria and viruses. Built around a bulb-like water purifier made of natural elements like rice husk ash impregnated with nano-silver particles, | ||||
Cost | Rs. 1000 | Rs. 2000 | Rs. 3200 | Rs. 1498 (including extra bulb) | Rs. 1213 (including extra bulb) | Rs. 499 |
Refill / operational cost | Rs. 280/ 1000 litres | Rs. 550/ 2250 litres | Rs. 550/ 2250 litres | Rs.299 / 3000 litres | ||
Capacity of the purifier | 14 litres | 23 litres
| 18 litres |
| ||
Time taken for purification | 9litres/1-5 hours | 3-4litres/hour | ||||
Purification life of the bulb/germkill kit | 1000 litres | 2250 litres/1500 litres
| 3000 litres | |||
End of life indicator | Yes | Yes | ||||
Auto shut off when unsafe to use | Yes | Yes | ||||
Running water | Not required | Both with & without | Not required
| |||
Water wastage | No | No | ||||
Clear taste, removes odour | Yes, other than high saltiness | Yes, other than high saltiness | ||||
Gas/electricity/any additives/boiling | Not required | Not required
| ||||
Plumbing or expensive installation & maintenance required | Not required | Not required | ||||
Removal of salt / TDS | Not done | Not done | ||||
Certification | CTFTRI, Mysore, IPHA,Kolkata, IPHE, NEERI,SPDL,Glasgow,SHTM,University of London etc. | CTFTRI, Mysore,IADFAC,Bangalore,Microtech Services (Wessex) Ltd,UK,AES,UK,Vitens Laboratory,Netherlands etc | ||||
Note: The source of the information is web and most of the information is as claimed by the manufacturers in their respective websites.
Details can be found:
PureIT: http://www.pureitwater.com
Swatch: http://www.tataswach.com