DETAILS -RO PLANT  500 LPH

 

DESIGN BASIS

 


Design Consideration:

Raw Water Pumping Rate            :             1.2m³ / hr

RO Treated Water                         :             0.500 m³ / hr

RO Reject                                        :             0.500 m³ / hr

Recovery Ratio                :             50 %

Reject Ratio                                    :             50 %

                                                                                                                     

 

 

PROCESS DESCRIPTION

 

 1. MICRON FILTRATION:

Cartridge filter is provided to remove suspended matter and guard against the entry of foreign material into the final treatment.   

2. HIGH PRESSURE PUMP:

To overcome the Natural Osmotic Pressure a reverse thrust of high pressure is required to separate the Ions from water.

Depending upon the projection, an initial feed pressure is determined.

A Vertical Multi-Stage Centrifugal Pump is used for this application.

3. REVERSE OSMOSIS SYSTEM:

Production of low dissolved solids  content by reverse osmosis using state of the art TFC Membranes. The high dissolved  are separated into two streams. Product stream – with

2-3% of the feed salt will be collected. The second stream ( Reject stream ) of 97-98% more concentrated salt will be collected. Based on the feed conditions and controlling parameters a recovery ratio can be worked out from 60-75%

4. MEMBRANES:

Membranes form the barrier for the ionic separation. This separates the water into two streams. A product stream with ionic impurities and a reject stream with high ionic impurities.The ratio of two streams depends upon the design and can be anywhere between 0.3 – 0.7. The membranes are sensitive to various types of fouling and scaling factors. Hence a proper pre-treatment is necessary. Polyamide thin composite membranes are used and is currently imported items.

5. RO SKID:

The skid supports the reverse osmosis pressure vessel, membrane, control panel, pressure gauges and etc., The skid mounted design helps in assembling of components at the shop floor easier and much faster.

An isometric AutoCAD design is developed for SKID Fabrication for better space utilization and plant aesthetics.

6. INSTRUMENTATION:

To check the quality and monitor continuously, Online Conductivity Meter will be provided at the RO permeate water.

7. DUAL MEDIA FILTER

This is a separate unit out of the RO Machine which safe guards the machine and gives a longer durability to the RO machine – the raw water is fed to this system so that the color, turbidity and suspended impurities are removed, to certain extent and then water passes to the micron filter in the RO Machine. Certain bacteria and virus are also in-activated due to the activated carbon in this chamber.                                                            

OPTION 1 – COMMERCIAL GRADE RO PLANT (Premium Model)

 

SPECIFICATIONS & BILL OF QUANTITIES

 

            

 

S.No.

Specifications

Details of  Equipment

Quantity

  I     Reverse Osmosis System

1

 

5 Micron/ 1 Micron  Pre-filter with cartridges

Capacity : 1 m³ / hr

Imported

1 Set.

2

 

High Pressure Pump with Motor

Flow rate: 1 m³ / hr . KW – 1.5 KW

Nanfang / Grunfos Equivalent

1 No

3

 

Membrane Housing

 

Pentair  / Wave Cyber

2 Nos.

4

 

RO – Membranes 4 – Thin Film Composite)  Brackish Water Membrane (BW365 /CPA 2)

Filmtec /Hydranautics  / Lanxess

Or Equivalent

2 Nos.

5

RO Skid with necessary with required Stainless steel Skid  with required CPVC Valves, Pipes and Accessories

Stainless Steel  , Sand blasted –Plaster Powder Coated

1 Set

6

Pipe Works

CPVC pipes and fittings for low pressure lines, Brass valves for high pressure lines.

Feed Flow, Reject flow regulation valves to suit the design pressure ratings.

 

IMP-German

1 lot

7

 

 

8

Electrical Control Panel with Necessary cabling works with High quality Equipments

 

Instrumentation Works

Low Pressure & RO Product and Reject flow meters and Pressure gauges – 3 + 3 = 6 nos.

 

 

Standard Quality

 

 

 

IMP – Korea

 

  1 lot

 

 

 

    6 nos.

9.

 

 

 

 

 

Dual Media Filter

Supply, Erection and Commissioning of Pressure Multi-Graded Filter with following Specifications:

Material of construction : FRP

Vessel : 254mm (Dia) x 1372mm (Height)

Design Pressure : 10.0 Kg / Cm²

Working Pressure : 6.0 Kg / Cm²

Service Flow Rate : 1200 lph to 1700 lph

Filter Media :  Silex, MnO2, Fine Sand, Quartz Sand, Pebbles & Activated Carbon .As per  Drinking water standards

Valves : Multi-Port Valves: Manual

Accessories : Frontal pipes & Valves.

 

 

PENTAIR

 

    

 

 

 

 

   

 1 lot.

10.

Clients Scope RO Plant Room

Size : 1.25 M (Metres)  x  1.25M  x 1.75 M (HOS) and Equipment Foundations

Client Scope

 

As required

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