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Use of Centrifugal Separation to Investigate How Kerogen is Bound to the Minerals in Oil Shale.

Authors
Thomas-RD; Lorenz-PB
Source
NTIS: PB 191 003 :12 pages
Link
NIOSHTIC No.
10009020
Abstract
Concentration of the kerogen (organic material) in oil shale was accomplished by centrifuging after pretreating the oil shale with carbonic acid to remove the carbonates and pretreating with sodium hydroxide (ph 11.5) To remove the claylike minerals. Analysis of the materials obtained showed that the concentrations of organic sulfur and organic nitrogen compounds were not affected by centrifuging. These compounds are evenly distributed in the kerogen and are not strongly bound to the mineral constituents. Organic oxygen compounds, however, were concentrated in the light fraction. These compounds are more closely associated with the kerogen and are not bound to the mineral constituents. Iron compounds other than pyrite apparently are closely associated with the organic material.
Publication Date
19700101
Document Type
IH; Report of Investigation;
Fiscal Year
1970
NTIS Accession No.
PB-191003
NTIS Price
A03
Identifying No.
RI 7378
NIOSH Division
BERC;
Source Name
NTIS: PB 191 003
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