4.7 Review

Employment of biogas as pyrolysis medium and chemical feedstock

Journal

JOURNAL OF CO2 UTILIZATION
Volume 57, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.jcou.2021.101877

Keywords

Anaerobic digestion; Biogas; Biogas upgrading; CO2 utilization; Renewable chemical; Thermochemical process

Funding

  1. National Research Foundation of Korea (NRF) - Government of Republic of Korea (Ministry of Science and ICT) [2020R1C1C1003225]
  2. National Research Foundation of Korea [2020R1C1C1003225] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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This review provides an overview on the use of biogas either as pyrolysis medium or as renewable chemical feedstock.
Organic waste biomass is transformed to biogas via anaerobic digestion. Biogas is typically used as a gaseous fuel to produce heat and power, incentivized by regulatory support schemes in different regions and countries. However, energy production via biogas combustion is limited to local sites, and a lower fuel quality of biogas than natural gas is another limitation on the direct use of biogas as a fuel. Alternative ways are to employ biogas as (1) pyrolysis medium to effectively modify the quality and quantity of pyrolytic products and (2) feedstock for the production of high-value commodity chemicals. In this regard, this review is aimed at providing an overview on the use of biogas either as pyrolysis medium or as renewable chemical feedstock.

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