Cooling Tower Blowdown - Nanostone Ceramic Membranes

Applications

Cooling Tower Blowdown

Advanced Ceramic Membrane Filtration for Cooling Tower Blowdown Treatment


Cooling tower blowdown

Power plants and refineries often recirculate water through evaporation towers to provide cooling for the plant. As water evaporates, dissolved solids (e.g., calcium, silica) remain, gradually increasing in concentration.
This leads to a complex mix of organics and abrasive particles that pose a threat to plant equipment, including reverse osmosis (RO) systems when implemented in a reuse scheme. Cooling tower blowdown (CTBD) projects are often driven by zero-liquid discharge (ZLD) mandates, requiring robust and efficient treatment processes.

Why Nanostone for Cooling Tower Blowdown?

Approach & Benefits

Our Ceramic Ultrafiltration Membranes offer an innovative solution to the challenges of treating CTBD, providing several key benefits:


why nanostone cooling tower blowdown

  • Simplified Treatment Scheme: Our solution is coupled with a softening clarifier, which reduces complexity compared to alternative approaches that typically use multimedia filtration and polymeric UF. This integration enhances efficiency, simplifies the process and reduces the footprint of the treatment system.
  • Long-Lifetime Physical Barrier: The softening clarifier combined with the ceramic UF solution eliminates abrasive particles that would otherwise disrupt downstream processes such as RO.
  • Robust Operation: Our ceramic membrane technology effectively handles the variability of cooling tower blowdown wastewater, ensuring consistent performance and protecting reverse osmosis (RO) systems by reducing fouling and extending membrane lifespan.
  • Increased Recovery: Our system achieves a higher recovery rate than competing schemes, leading to increased uptime and lower overall operational expenses (OPEX).

Common Questions

About our Cooling Tower Blowdown Application

Nanostone’s technology treats cooling tower blowdown by using a combination of ceramic ultrafiltration membranes and a softening clarifier. This approach simplifies the treatment process, enhances efficiency, and reduces system footprint compared to traditional methods. The ceramic membranes act as a durable physical barrier, removing abrasive particles and preventing damage to downstream systems like reverse osmosis (RO). Additionally, the system offers higher recovery rates, leading to increased operational uptime and reduced costs.


Nanostone’s membrane system can be integrated into existing power plant equipment with minimal modifications. Its modular design, combined with the use of a softening clarifier, simplifies the integration process compared to traditional approaches. The system can fit seamlessly into current infrastructure, improving water treatment efficiency without requiring significant changes to the plant’s existing setup. This adaptability reduces installation complexity and helps optimize overall system performance.

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Innovative Ceramic Membrane Solutions for Cleaner, More Sustainable Water

Nanostone's ceramic membranes enhance RO system performance by optimizing the pretreatment process. They efficiently remove suspended solids and pollutants, ensuring better water quality and reducing fouling risks. Ideal for both municipal and industrial applications, these membranes improve efficiency, sustainability, and cost-effectiveness in water treatment.

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