New Technology Developing the CH4 and CO2 Full Value Solution

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ETW Energietechnik’s Smartcool LCO2 plant can be perfectly integrated into the ETW Smartcycle biomethane plant so that the full value of biogas can be accessed.

With an increasing demand for CO2, especially from sustainable sources, to generate the corresponding CO2 quotas, ETW Energietechnik has added a new technology to its portfolio. ETW’s Smartcool LCO2 plant can be perfectly integrated into the ETW Smartcycle biomethane plant so that the full value of biogas can be accessed, states the company.

ETW’s biomethane plants upgrade biogas to natural gas quality by separating CH4 from CO2. The CH4 can be injected into the natural gas grid and made available in the fuel market. Since the upgrading technology developed by the firm also generates CO2 with a very high degree of purity, it was a logical step to develop a technology that transforms an otherwise rejected emission into a value-added product, mentions the company.

The result is a high-quality biomethane as a direct substitute for fossil natural gas as well as a liquid bio-CO2 in a food grade quality standard. In combination, ETW’s plant can thus be operated emission-free and with full CH4 recover. The result is a major contribution to the reduction of greenhouse gas emissions accounted to the fuel and energy sector, adds the firm.

Important advantages at a glance:

• High CH4 product purity up to 99 % CH4

• High CO2 product purity according to EIGA standard up to 99.9 % CO2

• The lowest energy consumption on the market

• Highest yield and GHG quota generation

• Operator friendly, very low maintenance

• Very high proven plant availability of >99 %.

• Fully integrated CH4 and LCO2 system without unnecessary interfaces for the operator

For biogas plant operators, the solution creates the access to new markets with the competitive advantage of a negative carbon foot print. While substrate logistics and biogas production chain can only be adapted to moderate fluctuations, the consumer markets demand very fast reactions: With ETW Energietechnik’s products, both sides of the value chain can be decoupled and optimized, opines the company.

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