Using CO2 as an Oxidant in the Catalytic Pyrolysis of Peat Moss from the North Polar Region
13. Climate action
Charcoal
Sphagnopsida
Carbon Dioxide
Cold Climate
Oxidants
01 natural sciences
7. Clean energy
Pyrolysis
0105 earth and related environmental sciences
DOI:
10.1021/acs.est.0c01862
Publication Date:
2020-04-28T14:03:19Z
AUTHORS (8)
ABSTRACT
As global warming and climate change become perceived as significant, the release of greenhouse gases (GHGs) stored in earth's polar regions is considered a matter concern. Here, we focused on exploiting GHGs to address potential challenges north regions. In particular, used CO2 soft oxidant recover energy syngas (CO H2) produce biochars from pyrolysis peat moss. expedited homogeneous reaction with volatile matters moss pyrolysis, mechanistic role resulted conversion CO at ≥530 °C. Steel slag waste was then an ex situ catalyst increase kinetics, addressing issue being limited °C, result where substantial H2 formation achieved milder temperature. The porosity biochars, solid product, modified presence CO2, significant improvement adsorption capacity compared those by N2 pyrolysis. Therefore, has serve initial feedstock sustainable biomass-to-energy applications biochar production, mitigating atmospheric carbon concentrations.
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