NDLI: Influence of NH$_{3}$/CO$_{2}$ Modification on the Characteristic of Biochar and the CO$

Content Provider	Springer Nature Link
Author	Xiong, Zhang Shihong, Zhang Haiping, Yang Tao, Shi Yingquan, Chen Hanping, Chen
Copyright Year	2013
Abstract	This paper was aimed to study the influence of modification of biochar on the performance of CO$_{2}$ adsorption. Biochar, obtained from cotton stalk pyrolysis in a fixed bed reactor, was modified with ammonia and CO$_{2}$. The physicochemical properties of biochars were characterized by the Fourier transform infrared spectroscopy and automatic adsorption equipment (Micromeritics, ASAP 2020, USA). CO$_{2}$ adsorption of biochar was performed in thermogravimetric analyzer. The results showed that the surface area of char was increased significantly by CO$_{2}$ modification, while N-contained compound on char surface was enriched obviously by NH$_{3}$ modification. CO$_{2}$ adsorption of biochar increased greatly with CO$_{2}$ and NH$_{3}$ modification. CO$_{2}$ adsorption was mainly attributed to physical adsorption at 20 °C, and the adsorption quantity (maximum = 99 mg/g) was proportional to the micropore volume of the char. However, at 120 °C, molecular thermal motion increase, chemical adsorption start to play a dominated role, and the adsorption was directly proportional to the N content of this char.
Starting Page	1147
Ending Page	1153
Page Count	7
File Format	PDF
ISSN	19391234
Journal	BioEnergy Research
Volume Number	6
Issue Number	4
e-ISSN	19391242
Language	English
Publisher	Springer US
Publisher Date	2013-02-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biomass char CO$_{2}$ activation NH$_{3}$ modification CO$_{2}$ adsorptions Plant Sciences Plant Genetics & Genomics Plant Breeding/Biotechnology Plant Ecology Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment Agronomy and Crop Science

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