<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Life cycle costs of co-digestion plant of cattle farm manure and locally available freshwater macrophyte <italic>C. demersum</italic>, marine brown algae <italic>F. vesiculosus</italic>, and marine green algae <italic>U. intestinalis</italic>; ratio 5:1) are analysed based on Latvian climatic and economic conditions. Biomass collection from nature and pre-treatment of biomass, biogas production, biogas treatment and utilization in combined heat and power plant are included in the boundaries. The weak points of scenarios are large capital investments, electricity sale price (and the application of feed-in tariff). As naturally grown algae and macrophytes are used, they are also sensitive to weather conditions each year as available amounts of biomass might change and decrease. Net Present Value is positive only for <italic>C. demersum</italic> with Internal Rate of Return of –14 % and Discounted Payback Period of 11 years.</p></abstract>

Life cycle costs of co-digestion plant of cattle farm manure and locally available freshwater macrophyte C. demersum, marine brown algae F. vesiculosus, and marine green algae U. intestinalis; ratio 5:1) are analysed based on Latvian climatic and economic conditions. Biomass collection from nature and pre-treatment of biomass, biogas production, biogas treatment and utilization in combined heat and power plant are included in the boundaries. The weak points of scenarios are large capital investments, electricity sale price (and the application of feed-in tariff). As naturally grown algae and macrophytes are used, they are also sensitive to weather conditions each year as available amounts of biomass might change and decrease. Net Present Value is positive only for C. demersum with Internal Rate of Return of –14 % and Discounted Payback Period of 11 years.

Life Cycle Cost Analysis of Biogas Production from <italic>Cerathophyllum demersum</italic>, <italic>Fucus vesiculosus</italic> and <italic>Ulva intestinalis</italic> in Latvian Conditions

Institute of Energy Systems and Environment

Environmental and Climate Technologies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Life Cycle Cost Analysis of Biogas Production from ,  and  in Latvian Conditions

Life cycle costs of co-digestion plant of cattle farm manure and locally available freshwater macrophyte C. demersum, marine brown algae F. vesiculosus, and...

Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions

Data publikacji: 18 lis 2019

Zakres stron: 258 - 271

DOI: https://doi.org/10.2478/rtuect-2019-0067

Słowa kluczowe
Algae, biogas, LCCA, Life Cycle Cost Analysis

© 2019 Laura Pastare et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions

Data publikacji: 18 lis 2019

Zakres stron: 258 - 271

DOI: https://doi.org/10.2478/rtuect-2019-0067

Słowa kluczoweAlgae, biogas, LCCA, Life Cycle Cost Analysis

© 2019 Laura Pastare et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Słowa kluczowe
Algae, biogas, LCCA, Life Cycle Cost Analysis