1. SCALE-BANTM A Sustainable solution for achieving ZLD & Scale free operation.
A Non Chemical Water Treatment…
A Fit & Forget System…
Continuously improving the possibilities to
Innovate the conservation of natural resources….

2. Our Vision:
Our Vision is to provide a Self Sustainable, Efficient and Cost Effective Zero Liquid Discharge (ZLD) solution in Chemical Plant.

3. Maximizing Water Conservation
Optimizing
Production
Maximizing Water Conservation
Minimizing Water Pollution
OUR
MOTTO

4. SCALE-BANTM equipment has been developed by years of researches & trials. It is in commercial production since Now the technology has been proven and well tested. We have references of its working in various type of industries and applications where this equipment is successfully running.
“SCALE-BANTM Equipment is an online Non-chemical water treatment equipment which gives excellent water savings beside total prevention of hard water scale in heat exchangers in cooling water services.”

5. Problems & concerns: Zero Liquid Discharge (ZLD)
Conventional systems like Effluent RO & MEE are very costly to install & operate
SCALING IN HEAT EXCHANGERS
Impacts of scaling:
Loss of production, Increased power consumption and Increased steam consumption.
Increased water consumption and water pollution

6. “A scale of even 0.5 mm causes an energy loss of 7%”
Facts & figures:
“A scale of even 0.5 mm causes an energy loss of 7%”
Efficiency Loss in % 11 27 48 90
0.3
0.71
4.7
9.5 4
Thickness of Scale in mm

7. Available methods for ZLD & Scale Prevention.
Softener Plant
Anti Scaling Chemical Treatment
Effluent RO & MEE
Conventional
SCALE-BAN
Non-Chemical Water Treatment Equipment

8. Limitations of Conventional treatment Methods:
ETP treated water can be consumed only after treatment through RO Plant.
For Utilization of RO Reject Secondary RO / MEE is required.
Restricted level of hardness and TDS in cooling water (Heavy Blow down).
Water consumption, wastage and pollution is increased.
Recurring Expenses on softener operation, Effluent RO/MEE operations and anti-scalant chemical dosing in cooling towers.
No guarantee for zero scale (Production losses).
Cleaning of the tubes is required.

9. ‘SCALEBAN’ SCENARIO:
Direct use of ETP treated & RO rejected water in cooling tower with ZERO OPERATIONAL EXPENDITURE.
Cooling tower will be operated at very high hardness up to 20,000 PPM and at very high TDS up to 2,00,000 PPM.
Unbelievable COC level of in cooling tower.
Reduction in cooling tower blow down by 90%.
Elimination of Softener & anti-scaling chemical from cooling tower.
Zero scale is guaranteed for 20 years.
No requirement of cleaning of the heat exchangers.

10. Working Principle of SCALE-BANTM : Innovation evolved from the problem

11. HOW DOES SCALEBAN PREVENT SCALING IN YOUR EQUIPMENT?
SCALEBAN is an online pipe shaped mechanical device which houses very specially designed core that is Sintered with number of electronegative elements in their order of increasing electro negativity in the direction of water/fluid flow. As feed water/fluid passes through SCALEBAN, it acts as an electrolyte while it comes in contact with the core placed inside SCALEBAN.
SCALEBAN makes use of Galvanic principle by locally enhancing the pH value of feed water/fluid. Due to the Galvanic action, the core gets negatively charged and attracts the lightest ions present in the fluid i.e. Hydrogen ion towards itself. The relationship between pH of water/fluid and H+ ion is expressed by the formula pH α 1/H+.

12. Thus, with the concentration of H+ ion becoming comparatively less in the water/fluid inside the equipment, pH value increases, there by precipitating Calcium and Magnesium salts before it comes in contact with hot tubes. Consequently, once the precipitation of these hardness causing salts has taken place, further precipitation due to temperature variation is not possible.
SCALEBAN precipitates out Calcium and Magnesium bicarbonates in the colloidal form of Aragonite crystals much before the water/fluid attains the critical temperature of super saturation due to its coming in contact with hot tubes.
These precipitated salts are in the colloidal form (small particles dispersed in another substance) and are suspended in water/fluid, and because of their very small size and lighter weight, the water/fluid flowing through SCALE-BAN carries away these precipitated salts. THE NET RESULT IS TOTAL PREVENTION OF HARD SCALE IN THESE SYSTEMS.

13. SOLUBILITY CHARACTERISTICS OF LIQUID
Temperature  S1 S2 T1 T2
Ca++ Mg++
S O L U B I L I T Y 
pH Value  S1 S2 P1 P2
Ca++ Mg++
H.E.
SCALEBAN
Relationship of Temperature & Solubility of Ca2+ and Mg2+ in Liquid
Relationship of pH & Solubility of Ca2+ and Mg2+in Liquid
GALVANIC PRINCIPLE
SCALEBAN

14. Working process of
SCALE-BANTM

15. Cooling
Tower
Precipitated Scaling salts are colloidal particles of non sticky nature thus do not deposit on the Heat Exchanger’s surface
PUMP H+ H+ H+ H+ H+ H+ H+ H+
-Ve
Charge
Heat Exchanger H+ H+ H+ H+ H+ H+ H+ H+

16. HOW TO DESIGN A SELF SUSTAINABLE, EFFICIENT AND COST EFFECTIVE ZERO LIQUID DISCHARGE MODEL!!

17. CONVENTIONAL COOLING WATER TREATMENT SYSTEM
FOR ZERO LIQUID DISCHARGE (ZLD)
(WITHOUT SCALEBAN)
COOLING TOWER
CONDENSER/ COOLERS
Make up water
SOFT WATER
EFFLUENT TREATMENT PLANT
CT Blow Down water
SALTY WATER
3-4 COC
ETP TREATED
WATER
RO PLANT
RO REJECT
RO PERMEATE
MULTI EFFECT EVAPORATOR
PROCESS APPLICATIONS

18. NON-CONVENTIONAL COOLING WATER TREATMENT SYSTEM
FOR ZERO LIQUID DISCHARGE (ZLD)
(WITH SCALEBAN)
COOLING TOWER
CONDENSER/ COOLERS
Make up water
SOFT WATER
EFFLUENT TREATMENT PLANT
SALTY WATER
15-20 COC
Negligible Blow Down due to high COC. Hence can be directly taken for ash cooling / gardening
ETP TREATED
WATER
RO PLANT
RO REJECT
RO PERMEATE
MULTI EFFECT EVAPORATOR
PROCESS APPLICATIONS

19. FINAL SCHEME WITH SCALEBAN FOR ACHIEVING ZERO LIQUID DISCHARGE (ZLD)
CLARIFIED / RO REJECT / ETP TREATED WATER
COOLING TOWER
15-20 COC
CONDENSER/ COOLERS
SCALEBAN
Make up water
Negligible Blow Down due to high COC. Hence can be directly taken for ash cooling / Dust seperation

20. Working Parameters of SCALE-BANTM:
Neutral pH value of water should be maintained between
The Scaleban should be installed as close to Heat Exchangers.

21. M/s NTPC DADRI LTD., DADRI (UP) 490MW X 2Nos.
SCALEBAN INSTALLATION IN 490MW POWER PLANT CONDENSER (NTPC DADRI)

22. Unit 5 condenser tube condition before installation of Scaleban
2X490MW NTPC, DADRI TPP
One pass of Unit 5 condenser opened on July 22, 2015 and found Scale free after 15 months.
Unit 5 condenser tube condition before installation of Scaleban

23. Nagarjuna Agri Chem Cooling tower water analysis report

24. M/S CHAMBAL FERTILIZER, KOTA (RAJ.)
1. SCALE-BAN EQUIPMENT AT
11E-37 INSTALLED ATR-2008
2. SCALE-BAN EQUIPMENT AT
 21 E-07 INSTALLED ATR-2008

25. Sanghvi Organics, Ankleshwar

26. M/s DEEPAK NITRITE LTD., VADODARA (GUJARAT)

27. References in Industries

28. SOLVENT EXTRACTION PLANT
Scaleban Applications….
POWER PLANT
CHEMICAL PLANT
PHARMA PLANT
SOLVENT EXTRACTION PLANT
DISTILLERY PLANT
TEXTILE
INDUSTRIES

29. Thank You! For Your Attention…