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Final report : Part II. Technical.

Author: Lynn Brooks; George T Sermon; U.S. Atomic Energy Commission.; United Carbon Products Company, Inc.
Publisher: Oak Ridge, Tenn. : U.S. Atomic Energy Commission. Technical Information Service, 1949.
Series: U.S. Atomic Energy Commission.; AECD; U.S. Atomic Energy Commission.; AECD
Edition/Format:   Print book : National government publication : EnglishView all editions and formats
Database:WorldCat
Summary:
A plant for processing graphite to high purity by the United Carbon Products Company Inc. method was established at Bay City, Michigan. The facilities were capable of producing 900 lbs per day of high purity graphite. Graphite having a total ash content of 600 ppm and a boron content of <0.6 ppm was purified so that the total ash was 410 ppm and the boron was <10 ppm <0.10 ppm. The processing was carried  Read more...
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Additional Physical Format: Online version:
Brooks, Lynn.
Final report : Part II. Technical.
Oak Ridge, Tenn., U.S. Atomic Energy Commission. Technical Information Service 1949
(OCoLC)727425772
Material Type: Government publication, National government publication
Document Type: Book
All Authors / Contributors: Lynn Brooks; George T Sermon; U.S. Atomic Energy Commission.; United Carbon Products Company, Inc.
OCLC Number: 682904245
Notes: Other issues of this report may bear the number UCP-2.
Description: 20 pages : illustrations ; 27 cm.
Series Title: U.S. Atomic Energy Commission.; AECD; U.S. Atomic Energy Commission.; AECD
Other Titles: Technical report archive and image library.
Responsibility: by Lynn Brooks and George T. Sermon.

Abstract:

A plant for processing graphite to high purity by the United Carbon Products Company Inc. method was established at Bay City, Michigan. The facilities were capable of producing 900 lbs per day of high purity graphite. Graphite having a total ash content of 600 ppm and a boron content of <0.6 ppm was purified so that the total ash was 410 ppm and the boron was <10 ppm <0.10 ppm. The processing was carried out in electric granular carbon resistance furnaces. The purification was achieved by reacting most of the elements out by the use of carbon tetrachloride with nitrogen introduced into the heated zone up to 2000 deg C, the removal of boron is accomplished by the use of a fluorinated hydrocarbon such as difluoro-dichloro-methane (i.e. "F-12") at temperatures above 2000 deg C. The "F-l2" is used only at the high temperature level to avoid reformation of carbon tetrafluoride in the graphite being processed. jg p.4.

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