September 9, 2015
Cirmac International bv, part of Atlas Copco Group, was recently awarded for the project "High efficiency Low Pressure CO2 Absorber LP Cooab®". The presented solutions will offer environmental friendly and cost efficient upgrading of biogas to higher qualities.
The positive feedback is really motivating. ” says Horst Wasel, President of Atlas Copco Quality Air Division,“I am convinced that the final results and findings of this project will cope with our high expectations. These technologies will not only strengthen our leading position but also enable us to grow - together with this future oriented market segment.
Cirmac is realizing the project together with Royal Haskoning Consulting, responsible for project management, monitoring plan and market investigation, and with Waterschap Veluwe, a waste water treatment company which supplies the location and biogas for the pilot project. Being a biogas pioneer since the mid-eighties, Atlas Copco has accumulated extensive knowledge and experience in the ﬁeld of biogas upgrading and grid injection, natural gas boosting and vehicle fueling by acquiring highly-specialized companies with a worldwide reputation: Cirmac, Greenfield and Intermech. Consequently, Atlas Copco has evolved into a fully-grown industrial player in the biogas ﬁeld.
Farmers, landfill owners, waste handlers, municipalities, industrial companies such as food & beverage producers, water companies. Processing of the available biomass and organic waste into biomethane provides an additional attractive business opportunity. Anaerobic digester manufacturers, project developers and general contractors see their projects being faster delivered. On top of the business opportunity offered by biogas upgrading, a greener image is attractive to gas grid operators, gas suppliers, vehicle fleet owners, investment companies.
The biological breakdown of organic matter in the absence of oxygen leads to raw biogas. It is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material, and crops. Biogas comprises primarily methane (CH4 ) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes. After cleaning (removal of corrosive substances) the gas can be used for heating purposes or converted into electricity and heat in a gas engine. Biogas is converted into biomethane (Green Gas) by upgrading to natural gas standards. Upgrading implies the removal of most of the carbon dioxide (CO2) hydrogen sulphide (H2S), moisture and siloxanes.
This is the starting point to bring biomethane to end users. Anaerobic digesters typically produce the raw gas from organic materials and waste. CO2 is extracted from the raw gas to obtain Methane. During this process, undesired inert and corrosive substances are removed. Biogas upgrading equipment is specifically designed to cope with the raw gas composition at your site.
Written by Jeroen Hoen