Background

Clewer Patented RBBRBiofilm Technology

Rotating Bed Biofilm Reactor. The most efficient biological water treatment process on the market today.

How It Works

The Clewer technology is based on the Rotating Bed Biofilm Reactor (RBBR). Inside the bioreactor, a biofilm of microorganisms grows on the surface of a rotating carrier material.

As the carrier rotates, it alternates between exposure to the nutrient-rich wastewater and the oxygen-rich air. This creates optimal conditions for the microbes to 'eat' the impurities, such as detergents, waxes, and organic solvents.

Biological vs. Physical

Unlike sand filters or membranes which only trap particles (and clog easily), our biological process actually decomposes the pollutants. It's self-cleaning and self-regulating.

AIR INWATER INWATER OUT
🧬
Pineline
Zeroline
Designed for Clewer Systems
Only for Car Wash Applications

Chemistry Meets Biology

In car wash recycling, the biological process is a living ecosystem. To run reliably, it requires biodegradable detergents. Harsh chemistry can damage the biofilm and stop recycling performance.

Detergent Compatibility Policy

For car wash applications, Clewer guarantees 100% functionality when Pineline Zeroline detergents are used. Third-party biodegradable detergents may work, but biodegradability and compatibility can vary significantly.

  • Pineline Zeroline: tested and optimized for RBBR
  • System requires biodegradable detergents
  • Third-party validation tests are ongoing (including Spain)

Technical Advantages

Why RBBR is superior to traditional physical filtration methods.

Low Energy

No need for energy-intensive air compressors. Saves electricity.

Scalable & Modular

Systems are built into standard shipping containers. Easy to transport and scale.

High Recovery Rate

Recycle up to 90-95% of water.

Frequently asked questions

What makes Clewer RBBR technology different?

The rotating biofilm process breaks down pollutants biologically, reducing maintenance and minimizing dependence on heavy physical filtration.

What treatment performance can be expected?

The system is designed for high reduction of organic load and solids, with stable performance under variable inflow conditions.

Can the technology scale across different project sizes?

Yes. The modular architecture supports car wash, municipal, and household applications with the same biological core.

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