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Saturday, December 12, 2015

Low cost Arsenic Fluoride Filter

LOW COST ARSENIC & FLUORIDE FILTER
INTRODUCTION:
What are the possible health effects of arsenic in drinking water?
According to a 1999 study by the National Academy of Sciences, arsenic in drinking water causes bladder, lung and skin cancer, and may cause kidney and liver cancer. The study also found that arsenic harms the central and peripheral nervous systems, as well as heart and blood vessels, and causes serious skin problems. It also may cause birth defects and reproductive problems.
WHO Standards for Arsenic:
The World Health Organizations (WHOs) current provisional guideline for arsenic in drinking water is 10 ppb. In India, states like Uttar Pradesh, Bihar, Jharkhnad, West Bengal, Assam, Manipur, mainly in Ganga-Meghna-Brahmaputra (GMB) plain covering an area of about 569749 sq km with a population of over 500 million have reported serious illnesses due to presence of arsenic.

                                   

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TECHNOLOGIES AVAILABLE FOR ARSENIC REMOVAL:
Activated Alumina and Reverse Osmosis (RO) are the only two methods for removing fluoride and arsenic.

About Activated Alumina

 

Activated alumina is a filter media made by treating aluminum ore so that it becomes porous and highly adsorptive. Activated alumina will remove a variety of contaminants including excessive fluoride, arsenic and selenium. The medium requires periodic cleaning with an appropriate regenerate such as alum or acid in order to remain effective. During the process about 5–10% of the alumina is lost and the capacity of the regenerated medium is reduced by 30–40%. The activated alumina needs replacement after 3–4 regenerations

 FOR A SINGLE HOUSE: 1000LPH FRP Vessel Filter with Activated Alumina.Cost:Rs.25,000/=

LOW COST CANDLE FILTER FOR HOME WITH ACTIVATED ALUMINA FOR IRON ,FLUORIDE & ARSENIC REMOVAL




1
Candle Filter with tap(Already Existing)




Activated Alumina bucket in the bottom tank of the filter 

1.    If you already have a candle filter, than you only need to add  Activated Alumina and bucket at the lower chamber. AA and bucket costs around Rs.500/= Only
2.    Activated Alumina will be replaced after every TWO MONTHS. This is the only maintenance cost. We don’t recommend AA regeneration. 


COMMUNITY LEVEL ARSENIC FLUORIDE FILTRATION SYSTEM. Cost:Rs.Six Lacs.




3 KALSHI FILTER AT VILLAGE( Removes Iron, Fluoride, Arsenic)



Description 
A homemade, three-pitcher filter unit, one of the simplest and most inexpensive ways treat drinking water. The first pitcher contains coarse sand. The second contains  activated alumina, and the third collects the filtered water. 

Each kalshi has certain media and function: 

·        Top kalshi - coarse sand. 
  • Middle kalshi – Activated alumina
  • Bottom kalshi - collection container
A sari cloth is sometimes used as an additional filter between the top 2 kalshi. 
Benefits
  • Simple
  • Excellent microbial removal, Iron Removal,Fluoride and Arsenic Removal
  • Can be constructed of local materials
  • Cost:Minimum

Drawbacks
  • Fragile
  • Low flow (1-2 litres / hr.)
  • Irregular flow rate, requires frequent cleaning
  • Availability of activated alumina
Cost :Rs.500/=
Operating & Maintenance: replacement of activated alumina after two months


CONTACT : Saleem Asraf Syed Imdaadullah, 09899300371(Delhi)
                     Rakib Hussain (Mobile: 9859171561,Guwahati.)

ENVO PROJECTS,NEW DELHI. www.saleemindia.blogspot.com


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