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Eliquo Hydrok's Thermal Pressure Hydrolysis for Sludge Disintegration

Updated : 03-Sep-20

Lyso Therm

LysoTherm is a Thermal Pressure Hydrolysis (TPH) technology that uses tubular heat exchangers and thermal oil, instead of steam or chemicals for the hydrolysis process. The process is used for the disintegration of sludge, which enhances anaerobic stabilisation and provides benefits including increasing gas production – and therefore energy gain – by up to 50 per cent

Company Name

Eliquo Hydrok

Headquarters

Germany

Product Launched in

2014

Sustainability Benefits

  • Process heat could come from the exhaust gas heat of any on-site combined heat and power units (CHP).
  • This makes LysoTherm an energy positive system as no additional heat energy is necessary for the hydrolysis process.

USP

  • The energy recovery process is one of their key innovations.
  • A regenerative water circuit provides the majority of the heat demand (approximately 90%).
  • External energy is only required during the high heating phase and comes from a thermal oil circuit. 
  • LysoTherm® is a totally closed process and there are no exhaust gases to treat and therefore it is an odour free process.

End user sector

  • Biomethane Production Plants
  • Organic Waste to Energy Establishments
  • Biogas Refineries Producers and Upgradation Facility
  • Agriculture and Dairy Product Production Facility

How does this work?

  • The process involves feeding the sludge continuously into a multi-stage heat exchanger system before it is pre-heated in the first stage of the heat exchanger system.
  • It is then heated to disintegration temperature in the tube reactor, but the disintegration takes place when it enters the disintegration reactor, where it remains for around 30 to 60 minutes at a fixed reaction temperature.
  • The sludge can then either be mixed with cold primary sludge to reach the digester temperature or left to cool down in the cooling stage.
  • After the hydrolysis is completed, the sludge is cooled down in the cooling stage to the temperature required for entering the digestion tower (≈ 50 °C).
  • Thus Lyso Therm contributes to the heat demand to the digester.

About the Company

Eliquo Hydrok Ltd became a member of the Eliquo Water Group in 2016 and one of the largest German equipment manufacturers in the sector. We are able to offer the latest technologies in municipal water and wastewater engineering. Their goal is to be the premier plant engineering company in German-speaking Europe, with the broadest range of products and services in the municipal water market.

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