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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Process characteristics for microwave assisted hydrothermal carbonization of cellulose  [2018]

Zhang, Junting; An, Ying; Borrion, Aiduan; He, Wenzhi; et al.

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The process characteristics of microwave assisted hydrothermal carbonization of cellulose was investigated and a first order kinetics model based on carbon concentration was developed. Chemical properties analysis showed that comparing to conventional hydrothermal carbonization, hydrochar with comparable energy properties can be obtained with 5–10 times decrease in reaction time with assistance of microwave heating. Results from kinetics study was in great agreement with experimental analysis, that they both illustrated the predominant mechanism of the reaction depend on variations in the reaction rates of two co-existent pathways. Particularly, the pyrolysis-like intramolecular dehydration reaction was proved to be the predominant mechanism for hydrochar generation under high temperatures. Finally, the enhancement effects of microwave heating were reflected under both soluble and solid pathways in this research, suggesting microwave-assisted hydrothermal carbonization as a more attracting method for carbon-enriched hydrochar recovery.
From the journal
Bioresource technology
ISSN : 0960-8524

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2018
Volume:
259
Issue:
4
Extent:
91-98
Publisher:
Elsevier Ltd
All titles:
"Process characteristics for microwave assisted hydrothermal carbonization of cellulose"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2018
Volume:
259
Issue:
4
Extent:
91-98
Publisher:
Elsevier Ltd
All titles:
"Process characteristics for microwave assisted hydrothermal carbonization of cellulose"@eng