---
title: Brochure - HydroThane STP ECSB
description: ECSB is a proven external circulation technology designed to deliver high efficiency, safe operation and consistent performance, even under variable organic and hydraulic loads.
---

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 BROCHURE

# Reliable anaerobic treatment relies on stable hydrodynamics and controlled biomass retention.

ECSB is a proven external circulation technology designed to deliver high efficiency, safe operation and consistent performance, even under variable organic and hydraulic loads.

 

![](https://resources.hydrothane-stp.com/hs-fs/hubfs/Landing%20pages/Brochures/HydroThane%20STP%20ECSB.png?width=300&height=419&name=HydroThane%20STP%20ECSB.png)

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