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Biogas upgrading by Hitachi Zosen INOVA

Updated : 31-Aug-2020

Gas Upgrading

HZI BioMethan delivers gas upgrading facilities - Amine Scrubbing and Membrane Technology for CO2 Separation, that can also be built as an expansion of existing plants. They treat and upgrade biogenic gases such as biogas, sewage and landfill gas, as well as flue gases. Depending on their infrastructure, operators can choose between a physical and chemical process. They also offer optional technologies to enable the upgraded gases to be processed further.

Company Name

Hitachi Zosen INOVA

Headquarters

Switzerland

Product Launched in

2015

Sustainability Benefits

  • Methane purity of up to 95-98 % thanks to above-average CO2 and methane selectivity High product gas purity means the gas can be injected into any natural gas grid

USP

  • High-quality scrubbing fluid ensures process stability and plant efficiency, resulting in high system performance.
  • Methane slip reduced to below 0.5-0.1 % vol by the three-stage design of the membrane modules.

End user sector

  • Waste Management Establishments
  • Thermal Energy from Waste Recovery Service
  • Biological Energy from Waste Recovery Service
  • BioMethane Production Facilities
  • Natural Gas Infrastructure

How does this work?

The Biogas Upgrading has two variants:

1. Amine Scrubbing (heat driven process) It is a pressureless chemical amine scrubbing process for separating carbon dioxide. It is claimed to produce methane purity of up to 99.5% vol.

2. Membrane Technology (heat driven process) Here the carbon dioxide is separated using membranes made from high-performance polyamides, specially designed by Evonik for upgrading facilities, and offering high permeability and selectivity.

About the Company

Zurich-based Hitachi Zosen Inova (HZI) is a global leader in energy from waste (EfW), operating as part of the Hitachi Zosen Corporation Group. Formed from the former Von Roll Inova, HZI acts as an engineering, procurement and construction (EPC) contractor delivering complete turnkey plants and system solutions for thermal and biological EfW recovery. Its solutions are based on efficient and environmentally sound technology, are thoroughly tested, can be flexibly adapted to user requirements, and cover the entire plant life cycle. 

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HZI Biomethane: Production of biomethane using membrane technology

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