Green and Efficient Processing of Wood with Supercritical CO2: A Review

Wood processing is a crucial step of wood utilization, but the adding of environmentally hazardous feedstocks and the use of unreasonable technology allow it to harm the environment and human health. Supercritical CO2 (scCO2) is a non-toxic, odorless, an...

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Main Authors:	Jing-Wen Zhang, Lin Yang, Hong-Hai Liu
Format:	Article
Language:	English
Published:	MDPI AG 2021-04-01
Series:	Applied Sciences
Subjects:	supercritical CO<sub>2</sub> green wood processing wood extraction wood impregnation wood drying
Online Access:	https://www.mdpi.com/2076-3417/11/9/3929

id	doaj-03fe36af352e4216abc3a6a8ff053372
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spelling	doaj-03fe36af352e4216abc3a6a8ff0533722021-04-26T23:05:01ZengMDPI AGApplied Sciences2076-34172021-04-01113929392910.3390/app11093929Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A ReviewJing-Wen Zhang0Lin Yang1Hong-Hai Liu2College of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, ChinaCollege of Furnishings and Industrial Design, Nanjing Forestry University, Nanjing 210037, ChinaWood processing is a crucial step of wood utilization, but the adding of environmentally hazardous feedstocks and the use of unreasonable technology allow it to harm the environment and human health. Supercritical CO<sub>2</sub> (scCO<sub>2</sub>) is a non-toxic, odorless, and safe solvent, which is widely used in studies and industrial production, but there is no review summarizing wood processing with scCO<sub>2</sub>. The unique structure and chemical properties of wood combined with scCO<sub>2</sub> technology produce positive results. In this paper, wood processing with scCO<sub>2</sub> is summarized, including wood impregnation, wood drying, wood thermochemical conversion, and wood extraction. The green and efficient characteristics of wood processing with scCO<sub>2</sub> are explained in detail for researchers, engineers, and investors to provide a clean wood processing method. Further study is needed to reduce its energy consumption and commercialize it eventually.https://www.mdpi.com/2076-3417/11/9/3929supercritical CO<sub>2</sub>green wood processingwood extractionwood impregnationwood drying
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Jing-Wen Zhang Lin Yang Hong-Hai Liu
spellingShingle	Jing-Wen Zhang Lin Yang Hong-Hai Liu Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review Applied Sciences supercritical CO<sub>2</sub> green wood processing wood extraction wood impregnation wood drying
author_facet	Jing-Wen Zhang Lin Yang Hong-Hai Liu
author_sort	Jing-Wen Zhang
title	Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review
title_short	Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review
title_full	Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review
title_fullStr	Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review
title_full_unstemmed	Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review
title_sort	green and efficient processing of wood with supercritical co<sub>2</sub>: a review
publisher	MDPI AG
series	Applied Sciences
issn	2076-3417
publishDate	2021-04-01
description	Wood processing is a crucial step of wood utilization, but the adding of environmentally hazardous feedstocks and the use of unreasonable technology allow it to harm the environment and human health. Supercritical CO<sub>2</sub> (scCO<sub>2</sub>) is a non-toxic, odorless, and safe solvent, which is widely used in studies and industrial production, but there is no review summarizing wood processing with scCO<sub>2</sub>. The unique structure and chemical properties of wood combined with scCO<sub>2</sub> technology produce positive results. In this paper, wood processing with scCO<sub>2</sub> is summarized, including wood impregnation, wood drying, wood thermochemical conversion, and wood extraction. The green and efficient characteristics of wood processing with scCO<sub>2</sub> are explained in detail for researchers, engineers, and investors to provide a clean wood processing method. Further study is needed to reduce its energy consumption and commercialize it eventually.
topic	supercritical CO<sub>2</sub> green wood processing wood extraction wood impregnation wood drying
url	https://www.mdpi.com/2076-3417/11/9/3929
work_keys_str_mv	AT jingwenzhang greenandefficientprocessingofwoodwithsupercriticalcosub2subareview AT linyang greenandefficientprocessingofwoodwithsupercriticalcosub2subareview AT honghailiu greenandefficientprocessingofwoodwithsupercriticalcosub2subareview
_version_	1721507088264331264

Green and Efficient Processing of Wood with Supercritical CO<sub>2</sub>: A Review

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