Projects

Power

Hindalco

Fills replacement helps Hindalco achieve higher cooling tower performance

Hindalco was troubled with the poor performance of their existing cooling tower. After an extensive study, Encon suggested replacing the fills. Based on the water chemistry it was decided to change the fills to trickle fills.

The outcome of this change was cooling tower performance improvement by achieving 4.65°C in cold water temperature.

Cellulose

Grasim Industries Limited.

Requirement: New Supply

Capacity M3/Hrs. 800, HWT – 42°C, CWT – 32°C, WBT-28°C, Range- 10°C, Approach -4°C

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Cellulose

Thai Rayon Corporation

Requirement: New Supply

Capacity M3/Hrs. 515, HWT – 41°C, CWT – 32°C, WBT-29°C, Range- 9°C, Approach -3°C

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FMCG

Hindustan Unilever Limited.

Requirement: New Supply

Capacity M3/Hrs. 300, HWT – 37°C, CWT – 32°C, WBT-28°C, Range- 5°C, Approach -4°C

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Cellulose

Thai Rayon Public Company Ltd.

Requirement: New Supply

Capacity M3/Hrs. 350, HWT – 41°C, CWT – 32°C, WBT-29°C, Range- 9°C, Approach -3°C

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Cellulose

Thai Rayon Corporation

The problem client was facing before Encon: Inefficient Cooling Tower with frequent maintenance required after every two months. Along replacement of fills every year.

Solutions Encon Proposed: Conversion of Bottle Type Counter Flow to Pultruded FRP Counter Flow Cooling Tower

Execution Methods used by Encon and Challenges Encon Faced: Achieve best performance in existing footprint with increase in Capacity from 500 M3/Hrs to 900 M3/Hrs where existing cold water Temperature was 36°C

ROI for the client after engaging with Encon: within 4 months

Conclusion: The Cooling Tower performance was improved by achieving 4°C reduction in cold water temperature along with reduction in maintenance

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Hindustan Zinc

The problem client was facing before Encon: High cold water temperature with lower Cooling Tower performance.

Solutions Encon Proposed: Replace fills to Splash fills.

Execution Methods used by Encon and Challenges Encon Faced: Replacing existing fills by Splash fills in stringent condition. In order to complete retrofit the internals & Splash Fills. Capacity 2000 M3/Hrs where existing cold water Temperature was 34.5°C

ROI for the client after engaging with Encon:

Conclusion: The Cooling Tower performance was improved by achieving 3°C reduction in cold water temperature

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