flow rate :
- feed water:9000 liter per hour
- treated water:6000 liter per hour
- reject water:3000 liter per hour
raw water pump
purpose
to feed the dual media filter at pressure more than 2.0 bar, which is min. operating pressure for filter.
specifications
- moc : ci
- type : horizontal centrifugal
- flow rate : 14400 liters per hour
- head : 25 m
- power required: 3 hp
- electrical : 440 v, three phase , 50 hz
- cycle : 2900 rpm
- make : kirlosker, cri, crompton greaves.
- quantity : 1 no.
dual media filter
purpose
to remove the total suspended solids, dirt , iron and reduce silt density index which can foul the membranes
specifications
vessel :
- make : pentier or equivalent
- material of construction : frp
- diameter : 30”
- height : 72” mm
- testing pressure : 10 kg/cm2
- opening : top and bottom
- quantity : 1 no.
valve :
- make : initiative
- material of construction :
- type : multiport single lever value
- size : 1.5” inches
- maximum flow rate: 24000 lph
- working pressure : 2-4 bar
- working : down-flow
media :
mixed bed sand media consisting of the following
i) gravel ii) pebbles iii) quartz sand iv) anthracite
average porosity 50 micron particulate size
bed depth : 600 mm
pipelines & accessories:
pipe of pvc 10 bar tested pressure
activated carbon filter
purpose
to remove the total color, smell, odor, from the water.
specifications
vessel:
- make: penteir or equilent
- material of construction: frp
- diameter: 30”
- height: 72” mm
- testing pressure: 10 kg/cm2
- opening: top & bottom
- quantity: 1 no.
valve:
- make: initiative
- material of construction: noryl
- type: multiport single lever value
- size: 1.5 inches
- maximum flow rate: 24000 lph
- working pressure: 2-4 bar
- working: down-flow
media:
mixed bed sand media consisting of the following
i) gravel ii) pebbles iii) carbon
average porosity 50 micron particulate size
bed depth: 600 mm
pipelines & accessories:
pipe of pvc 10 bar tested pressure
dosing system :
purpose
to dose antiscalant chemical to protect the scaling formation on ro membranes.
specifications
- moc : pp ( e-dose)
- capacity : 6 lph
- pressure : 7 bar
- qty. : 1 no.
micron filter :
purpose
to remove the fine particles up to 05 microns and reduce silt density index levels to acceptable level.
specifications
cartridge filter & housing
housing :
make: flowtec
- moc of housing: pp
- length : 20”
- diameter: 5.5”
- quantity : 4 no.
cartridge :
- make : flowtec
- cartridge moc : polypropylene
- length: 20”
- diameter : 4.0”
- quantity: 4 no.
- micron rating : 05 micron
high pressure pump :
purpose
to feed the reverse osmosis membrane at pressure more than the osmotic pressure taking into consideration flux rate, flow and recovery.
specifications
moc : stainless steel
- type : vertical multistage
- flow rate : 10500 liters per hour
- head : 120 mwc
- power required : 5 hp
- electrical : 440 v, three phase , 50 hz
- cycle : 2900 rpm
- make cri or lubi
ro membrane
purpose
to remove the major part of tds upto 98% by reverse osmosis membranes arranged and designed to give adequate flow and recovery.
specifications
- type : spiral wounded
- diameter of membrane : 8.0 inch
- length of membranes : 1 mt.
- no. of membranes : 5
- recovery per membrane : 10-15%
- salt rejection per membrane : 98-99%
- make of membranes : toray or equilent
- system recovery : 45 -55 %
ro pressure tube
purpose
to pack reverse osmosis membranes and operate at high pressure up to 300 psi
specifications
- moc : frp composite
- diameter of pressure vessel : 8.2 inch
- length of pressure vessel : 120”
- no. pressure vessels : 2
- no. of membrane per vessel : 2 and 3
- make : seaflo, shark or equilent
- position : horizontal, series
- arrays : 2 no.
electrical panel :
purpose
a control panel is provided as a safety measure for the pumps & other electrical items.
specifications
- complete starters, overload relays, and single-phase preventor for pump.
- voltmeter, ammeter, mcb’s, indicating lights
instrumentation :
purpose
- flow meter : to measure the online flow of water
- low pressure switch : to protect ro pump from dry running
- high pressure switch : to protect ro pump from back pressure
- pressure gauges : for calculate ^p for each unit in ro system
specifications
rota meter :
- quantity :2 nos.( permeate & reject line)
- range : 1.0 cu.m. per hour
- make : flowtec
pressure switch :
- quantity : 2 no.(low & high)
- range : 0-450 psi
- make : indfos, india
pressure gauges :
- quantity : 6 no.
- range : 0 – 7 bar
- dail size : 6 inches
- type : bourdon
- make : h-guru
plumbing & fittings
- valves, pipelines ro module is in upvc,
- the system will be on common ss base frame