Wastewater cooler for refinery treatment plant

A large Texas refinery treatment plant needed to cool their wastewater to achieve critical outlet temperature during the hot summer months in the Gulf Coast area. The high fouling wastewater contained high solids and high chlorides.

DATE 2020-02-13

A Niagara Wet Surface Air Cooler (WSAC) was custom designed with prime surface 316L stainless steel tube bundles along with redundant standby in service spares to ensure the sustainability of the system for the plant’s continued operation.

The WetSurface technology and the closed-loop, evaporative design provides the low wastewater outlet temperature needed during the hot summers. In addition to cooling poor quality wastewater, Flex Water is a unique feature that allows the WSAC to operate using poor quality water for makeup water. In this case, treated wastewater was used as make-up.


Alfa Laval Niagara Wet Surface Air Cooler

Alfa Laval Niagara Wet Surface Air Coolers (WSAC®) are custom built, closed-loop cooling and condensing systems that combine high performance, low operating costs, compact size and reliable operation. 

More about Niagara WSAC 


  • Uninterrupted summer production
  • Lowest outlet temperature achieved
  • Custom design for ambient conditions
  • Stainless materials to handle wastewater composition
  • Redundant spare components ensure uptime