PurAll Water Purification
Easol Pvt Ltd.
PurAll is an online, non-electric and automatic water chlorination system for hand pumps and piped water supplies.
PurAll Water Purification is an online, non-electric device, & automatic water purification device which uses chlorinated chemicals to deliver an appropriate dose of chlorine to disinfect water in small community water systems. The product is developed by Easol Pvt.Ltd in India and is commercially available. It is low cost, user-friendly, and requires low maintenance.
The target region for this product mainly includes India with some units in Nepal, Canada, Philippines, and Africa as well.
PurAll is available in different e-commerce markets. However, the price is available only on request.
Goal 6: Clean water and sanitation
Target users include communities, schools, medical centers, and households in rural, peri-urban, and semi-urban areas.
The manufacturing unit is based in Bhugaon, Pune, Maharashtra. Different parts of the PurAll are manufactured through vendors and then assembled at the Bhugaon factory in stock.Interview with the manufacturer
The chemical is sourced from Shikoku Corporation, Japan.
Patented chlorine cartridge Interview with Manufacturer
Users can purchase PurAll solutions by either contacting the manufacturer or through their distributors spread in almost PAN India. For export purposes, users can contact the manufacturer directly or through NGOs like MedAir, Oxfam GB, and Save the Children. Interview with the manufacturer
As of 2015, more than 1500 units were supplied in India and abroad.
Active chemical and concentration (%) of the product (not the concentration of the treated water)
Form of the chemical disinfection
Does the water flow through a treatment system or does it remain in a container?
Is the dose of the chemical administered automatically or manually?
Manufacturer-specified dosing quantity
Manufacturer-specified time until water is potable, measured in minutes
Remaining level of chemical concentration after manufacturer-specified contact time
Laboratory-evaluated log scale removal rate of bacteria
Laboratory-evaluated log scale removal rate of viruses
Laboratory-evaluated log scale removal rate of protozoa
Reduction levels of heavy metals and/or arsenic through this treatment system
How long can the treated water remain protected and safe to drink?
Manufacturer-specified maximum level of inlet turbidity (NTU)
PurAll is a low-cost and simple disinfection device designed by Easol to satisfy the chlorine demand by automatically leaving an adequate level of chlorine in the distribution system. The device is a flow-through type disinfection system that generates Hypochlorous Acid only when dissolved and disintegrated in water. It is a water purification device which contains an online chlorine CPU (Chlorine processing unit) with replaceable water purification cartridges, for continuous operation. This patented technology is chemically approved and certified to NSF/ ANSI 60 standard for drinking water. Furthermore, it is completely soluble in water and no traces are left. These filters come in 4 different model which has the same function but differ according to end Life, which indicates the time to replace the cartridge. The product also comes with a chlorine testing kit.
The product is installed by the manufacturers or their distributors. The user can contact the distributor or manufacturer for technical support if required.
PurAll cartridges contain disinfection chemical which can only be replaced through the manufacturers.
The life cycle for this product varies with the individual models. Nonetheless, the life cycle ranges from 1,25,000 -3,00,000 liters of water, at 1 ppm dosage.
The designer specified performance targets include automation, no power use, durable, portable, low-cost, and completely soluble in water with no traces left.
PurAll has been tested, approved, and recommended by different government organizations of India like;
- Empaneled by Maharashtra State Water Supply and Sanitation Department (WSSD)
- Tested at State Health Laboratories in Madhya Pradesh, Maharashtra, Tamil Nadu.
- Recommended by R. Mashelkar Technical Committee, Ministry of Drinking Water& Sanitation, Government of India.
State Health Laboratories in Madhya Pradesh, Maharashtra, and Tamil Nadu.
Safety measures before installation and maintenance are mentioned on the website.
Chlorine testing kit to measure dissolved chlorine and check the residual chlorine of the water.
Pickering, A.J et al., 2019, Effect of in-line drinking water chlorination at the point of collection on child diarrhea in urban Bangladesh: a double-blind, cluster-randomized controlled trial, The Lancet Global Health, 7(9), pp.e1247-e1256.
Humphrey, J.H, 2019, Reducing the user burden in WASH interventions for low-income countries, The Lancet Global Health, 7(9), pp.e1158-e1159.
Rajasingham, A et al., 2019, Evaluation of an emergency bulk chlorination project targeting drinking water vendors in cholera-affected wards of Dar es Salaam and Morogoro, Tanzania, The American journal of tropical medicine and hygiene, 100(6), pp.1335-1341.
Haas et al., 1998, Predicting disinfection performance in continuous flow systems from batch disinfection kinetics, Water science and technology, 38(6), pp.171-179.
The chemical being used is approved and certified to NSF/ANSI 60.
PurAll has been evaluated for the chemical being used.
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