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HST™ turbocompressor – Thetys Pumps
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Thetys Pumps / Products  / Compressors and aeration / HST™ turbocompressor

HST™ turbocompressor

Magnetic bearings for
unbeatable efficiency

The modern and silent HST™ turbocompressor features an advanced design with proven magnetic bearing technology and a high-speed motor driven through a built-in frequency converter. HST turbocompressors are widely used in wastewater treatment plants and in low-pressure industrial processes.

Main benefits
  • High efficiency, guaranteeing optimal life cycle costs
  • Low noise: no need for additional soundproofing
  • High reliability
  • Wear-free, requiring minimal maintenance
  • Simple design with integrated components
  • Accurate flow measurement
  • Vibration-free, ensuring less stress for pipe work
  • Pulsation-free air distribution allows finer air bubbles for more efficient aeration
  • Fully certified
  • Operates alongside all types of conventional blowers
  • Numerous possible installation arrangements
  • Operates in a variety of environments
Main applications
  • Aeration for treatment of municipal wastewater
  • Aeration for treatment of industrial wastewater
  • Industrial applications
HST™ - Video

HST™ – The world’s most sustainable and economical turbo blower

Operational Excellence with Sulzer’s HST™ Turbocompressors

Main design features

Due to its innovative design, the small-footprint HST turbocompressor has no wearing parts nor lubricants, thus requiring minimal maintenance. The unique drive technology enables optimal operating efficiency with minimized energy consumption. It can operate either as a single turbo blower or as a group of turbo blowers via a number of interface choices, enabling remote or local control of both flow and pressure over the full operating range.

Large flow air supply for aeration of wastewater provided by a group of turbo compressors.

Key characteristics
Air flow range 1,000 – 16,000 Nm³/h 550 – 10,100 SCFM
Pressure range 30 – 120 kPa 4.4 – 18.1 PSI
Case studies and articles

Magnetic vs. air foil bearings

The turbocompressor has become a mainstay of modern water treatment technology, offering a mechanically simple design, reliability and good energy efficiency. Ideally suited for the production of large volumes of compressed air at relatively low pressure, they rely on bearings that can spin at high speeds with minimal resistance and for extended periods. Today, the market is dominated by two rival technologies: air foil bearings and active magnetic bearings.

Taking a spin through the circular economy

An innovative compressor design proves that industrial equipment can deliver high performance, low through-life costs and a smaller environmental footprint. Sulzer’s HST turbocompressor shows how a forward-thinking attitude to design, manufacturing and through-life support enables products to meet the goals of the circular economy.
Applications

Aerobic digestion

In aerobic digestion in wastewater treatment, microorganisms continue to break down the organic material. These microorganisms need aeration in order to function, and some level of mixing is required to keep the process efficient and reliable. The result is reduced sludge volume and the prevention of odor. Sulzer has highly suitable products such as compressors, aerators and disc diffuser systems to support the process in the aerobic digester tank.

Biological process

The target of the biological process in wastewater treatment is to remove organic, biodegradable substances via the metabolism of microorganisms and related biochemical processes.

Industrial water and effluent treatment

Sulzer has a deep knowledge in wastewater treatment, and with our wide product portfolio we can now offer energy-efficient and reliable solutions for your water collection, neutralization, flocculation, sedimentation, cooling, aeration, sludge storage, digestion, and dewatering processes.
Service for turbocompressors and aerators

Sulzer is the expert not only when it comes to supplying your equipment, but also when it comes to supporting it throughout its life cycle with over 140 years’ experience. It is essential to have continuously operating equipment in water- and wastewater treatment plants and that is why Sulzer offers service and technical support when you need it.

How can we help you?
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