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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

Total utilization of waste tire rubber through pyrolysis to obtain oils and CO2 activation of pyrolysis char  [2014]

Choi, Gyung-Goo; Joo-Sik Kim; Seung-Jin Oh; Su-Hwa Jung;

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Waste tire rubber (WTR) was pyrolyzed in a fixed bed reactor in the final temperature range of 500–800°C. Pyrolysis oils were analyzed both quantitatively and qualitatively. Pyrolysis chars obtained were activated using CO2 at a final temperature of 950°C with a final activation time of 1–3h. In addition, the influence of the acid treatment of pyrolysis char on the physicochemical properties was investigated. In the experiments, the yields of pyrolysis oil and pyrolysis char were 30–38 and about 37wt.%, respectively. The pyrolysis oils consisted mainly of limonene, aromatic hydrocarbons such as xylene, and some heteroatom-containing compounds, such as benzothiazole and 2,4-dimethylquinoline. The sulfur contents of the pyrolysis oils were 0.85–0.96wt.%. Most of the sulfur remained in the pyrolysis char. The maximum surface area of the activated char obtained by CO2 activation was 437m2/g. The acid treatment of the pyrolysis char decreased the ash and sulfur contents, which supported the strong potential of the acid-treated char for use in commercial applications.
From the journal
Fuel Processing Technology
ISSN : 0378-3820

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
123
Start Page:
57
End Page:
64
Publisher:
Elsevier B.V.
All titles:
"Total utilization of waste tire rubber through pyrolysis to obtain oils and CO2 activation of pyrolysis char"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2017
Volume:
123
Start Page:
57
End Page:
64
Publisher:
Elsevier B.V.
All titles:
"Total utilization of waste tire rubber through pyrolysis to obtain oils and CO2 activation of pyrolysis char"@eng