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. 2022 Jun;108(6):1139-1146.
doi: 10.1007/s00128-022-03481-y. Epub 2022 Mar 18.

Volatile Organic Compounds Released During the Fast Pyrolysis of Peanut Shells and Environmental Implications

Fabricio Aguirre  1 , María L Nieva Lobos  2 , María A López Basto  1 , Mariano A Teruel  1 , Elizabeth L Moyano  3 , María B Blanco  4
Affiliations

Volatile Organic Compounds Released During the Fast Pyrolysis of Peanut Shells and Environmental Implications

Fabricio Aguirre et al. Bull Environ Contam Toxicol. 2022 Jun.

Abstract

The biomass conversion technologies, especially different types of pyrolysis, have been intensively studied to improve biomass energy transformation suggesting a low impact on the environment. In particular, fast pyrolysis of biomass is considered to be a thermal process in which the starting material is converted to bio-oil, char and gas products. In this work, volatile organic compounds (VOCs) of the gaseous fraction of peanut shells fast pyrolysis were collected and identified at atmospheric pressure. Aromatic compounds, hydrocarbons, furans and other oxygenated compounds were identified using solid phase microextraction (SPME) and gas chromatography coupled to mass spectrometry (CG-MS) as a detection system. The composition of volatiles was analyzed and compared with the constituents of liquid fraction for comparative purposes. Atmospheric implications of the main compounds identified in the gases fraction were assessed by determining tropospheric lifetimes of the VOCs identified and its impact on environment at the local, regional or global scale.

Keywords: Air pollution; Aromatic hydrocarbons; Lignocellulosic materials; SPME/GC–MS.

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