Procter & Gamble Reduces Water Consumption and Improves the Efficiency of Its Cooling Towers Through Automated Filtration

Procter & Gamble Reduces Water Consumption and Improves the Efficiency of Its Cooling Towers Through Automated Filtration

Procter & Gamble

 

Procter & Gamble is a leading multinational manufacturer of personal care, home care, and consumption goods, with large-scale industrial operations and highly automated processes. At its facilities, the operation of cooling towers is closely linked to the stability of demanding continuous processes.

In this case, the presence of suspended solids and organic matter in the recirculating water was affecting thermal performance and promoting scale buildup, with a direct impact on energy efficiency and maintenance requirements, in an environment where any deviation can jeopardize production continuity.

 

 

 

 

The Challenge

 

The plant located in Querétaro had a High-flow cooling tower system, with an approximate operating flow rate of 96 m³/h, which featured a High water consumption associated with frequent cleaning of the basin and continuous purges.

The main limitations of the project were:

  • The need for reduce water consumption resulting from purges and maintenance operations.
  • The presence of solids, deposits, and scale which negatively affected the efficiency of the towers and the performance of the chemical treatment.

 

The Solution

 

The technical solution was based on a Filtration system for cleaning the sump, designed specifically to protect cooling towers with high flow rates, and included:

  • 200 AA Series Filtration, featuring technology from rings, suitable for use in demanding conditions.
  • Air-assisted filtration, improving cleaning effectiveness and reducing the frequency of maintenance.
  • Filtration rating of 100 microns in recirculation, designed to remove solids that cause scale and deposits.
  • System fully automated, with modifications to the control units (analog, digital, and instrumentation).

The installer channel (Hydrocontrol) played a key role in the Installation and integration of complementary solutions, ensuring proper integration with the existing system.

 

Benefits of the Solution

 

Thanks to the solution we implemented:

  • It was achieved extend the frequency of mechanical cleanings of the sump and reduce the frequency of purges from the tower, resulting in a direct reduction in water consumption.
  • The improvement in water quality made it possible to increase the efficiency of chemical treatment, thereby reducing operational deviations.
  • Effective removal of solids contributed to reduce deposits and scale, improving the thermal performance of cooling towers.
  • Levels of turbidity less than 3 NTU, promoting more stable operation.
  • The following were reduced: maintenance outages, thereby increasing system availability.

 

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