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Chlorination Guide
Power Plant Chlorination
Sea Water Chlorination
Combo Unit
Gas Chlorinator
Evaporator
Vapouriser Steam
Electrochlorination
Hypochlorite Generators
Safety Systems
Chlorine Dioxide Generators
UV Sterilizer System for Cooling Water
 
Automatic Valveless Gravity Filter
 
Filter Nozzle (Strainer)
Flowmeters
 
 
  BULLETINS
 

COOLING TOWER - Cooling Water Slime & Algae Control .

Problems in Cooling Water Maintenance MAJOR PROBLEM IN COOLING TOWER maintenance is ALGAE (Green organic) MICROBIAL Activity and SLIME (Pastry Organic Material) Deposit in Heat transfer surface of Heat exchanger called  FOULING. This interferes with heat transfer operation of cooling cycle which reduces the efficiency of Heat transfer thereby resulting in direct / indirect commercial loss.    In addition, bacterial Metabolism influences the scale forming or it produces corrosive spots resulting in corrosion of metal on water side of Heat Exchanger

Control of Slime & Algae

SHOCK DOSING of 5 ppm of chlorine for the volume of water in COOLING CIRCUIT for a short period of about 10 Minutes maximum or sudden dumping of chlorine in one minute in the C.T. hold up tank, will effectively control Algae fouling.  SHOCK dosing is to be done once in a shift (i.e. 3 times a day).

 

IEC Fabchem Limited, pioneers in Chlorination Systems in India is providing solution to the problem faced by OEM Manufacturers of Cooling Towers and Refrigeration System Owners through its innovative, pattern pending On-site Chlorine Generating System called `CHLORIDOSE'.  This system enables the plant operator to generate chlorine in the form of Sodium Hypochlorite with least attention requirement for operation and maintenance of the unit. The chlorine is generated from common salt, water and power.  The chlorine generated can be manually transferred to C.T. basin for effective algae and slime control. The solution generated is a best low cost biocide produced in-house which can be used effectively instead of branded costly biocides available in the market.

Air conditioning systems problems & remedies in Cooling Water 

Problems encountered on water side
Treatment

Microbial fouling. (Slime & Algae)

 Chlorine Shock Dosing

Scale formation on Heat transfer tubes

 Water Softening

Corrosion of metals in the system

 Addition of Inhibitors

Fouling from dirt and silt accumulation

 Filtration

Model Selection Chart

Volume of water handled by Cooling tower in litre.

Chloridose

Shockdose Volume of chloridose solution in Litre / per shift.

Consumable

per day

Model

gm/day

lit/day

Common Salt (Kg)

Up to 5,000

CHL-A

100

10

3

0.5

10,000

CHL-B

200

20

6

1.0

25,000

CHL-C

500

50

15

2.5

50,000

CHL-D

1,000

100

30

5.0

1,00,000

CHL-E

2,000

200

60

10.0

2,00,000

CHL-F

4,000

400

120

20.0

4,00,000

CHL-G

8,000

800

240

40.0

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