Raw water contains suspended impurities
and pathogenic bacteria, which are responsible for water borne
diseases, like cholera, typhoid, jaundice, etc. these contaminants
have to be removed to make the water safe for drinking purpose.
One of the well know method is to filter water through beds
of sand, gravel and charcoal to remove suspended impurities,
followed by boiling to kill the bacteria. This process, though
efficient, is costly and time consuming. To simplify the treatment
of water, inexpensive domestic Water Filter Candle has been
developed. The main items of plant and machinery required
are crusher; ball mill, sieves and coal-fired down drought
/ electric / oil fired furnace.
Application:
The candle (s) can be fitted to various
types of domestic containers for getting bacteria free potable
water.
Process:
The process for the production of filter
candles consists for grinding the non-plastic materials (china
clay, insulated brick powder, quartz, feldspar, etc.), mixing
with organic materials and casting the candles in moulds of
desired shapes. The candles are dried sun and then baked in
furnace.
Status of commercialization
Process has been released to 45 parties
in India and 1 in Indonesia.
An investment of around Rs. 5.80 lakhs is
needed to establish a unit to produce 100 candles per day.
Cost of production of a candle is Rs. 30 and the unit provides
implement opportunity for 10-12 persons.
Plant Parameters
Capacity
100 No./ day
No. of shifts / day
1
Working days / Yr
300
Land Reqd., m2
150
Covered Area, m2
100
Manpower
Managerial
1
Skilled
2
Unskilled
3
Raw Material
China Clay
Insulating Bricks
Saw Dust
Paddy husk Ash
Starch
Bactericide
Common Salt
Coal
Utilities
(Per KL
of product
Power, KwH
5
Process water, KL
6
Plant & Machinery
Ball Mill
Coal Fired Kiln
Mixing tank,ss
Heater
For further information
please contact :
National Research Development Corporation
( A Government of India Enterprise )
20-22, Zamroodhpur Community Center
Kailash Colony Extension
New Delhi 110 048. India
Tel: 91-11-26419904, 26417821, 26480767, 26432627
Fax: 011-26231877, 26460506, 26478010
Website: www.nrdcindia.com
