CA1238768A - Production de poudres de carbone - Google Patents

Production de poudres de carbone

Info

Publication number: CA1238768A
Authority: CA; Canada
Prior art keywords: component; carbon; calcined product; article; extraction
Prior art date: 1984-03-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA000450463A

Other languages

English (en)

Inventor

Noriyoshi Fukuda

Ken Nagasawa

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

Kawasaki Steel Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1984-03-26

Filing date

1984-03-26

Publication date

1988-07-05

1984-03-26 Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp

1984-03-26 Priority to CA000450463A priority Critical patent/CA1238768A/fr

1988-07-05 Application granted granted Critical

1988-07-05 Publication of CA1238768A publication Critical patent/CA1238768A/fr

Status Expired legal-status Critical Current

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 129
229910052799 carbon Inorganic materials 0.000 title claims abstract description 108
239000000843 powder Substances 0.000 title claims abstract description 31
238000004519 manufacturing process Methods 0.000 title claims abstract description 23
239000011230 binding agent Substances 0.000 claims abstract description 34
238000001914 filtration Methods 0.000 claims description 49
238000000638 solvent extraction Methods 0.000 claims description 30
239000010419 fine particle Substances 0.000 claims description 29
239000011362 coarse particle Substances 0.000 claims description 25
238000011282 treatment Methods 0.000 claims description 23
238000001354 calcination Methods 0.000 claims description 21
230000003647 oxidation Effects 0.000 claims description 19
238000007254 oxidation reaction Methods 0.000 claims description 19
239000011316 heat-treated pitch Substances 0.000 claims description 16
238000000034 method Methods 0.000 claims description 16
238000010304 firing Methods 0.000 claims description 14
239000011294 coal tar pitch Substances 0.000 claims description 12
239000012298 atmosphere Substances 0.000 claims description 4
239000011261 inert gas Substances 0.000 claims description 4
238000007796 conventional method Methods 0.000 abstract description 12
239000002994 raw material Substances 0.000 abstract description 7
229910002804 graphite Inorganic materials 0.000 description 22
239000010439 graphite Substances 0.000 description 22
238000000605 extraction Methods 0.000 description 16
238000010438 heat treatment Methods 0.000 description 13
239000002904 solvent Substances 0.000 description 11
238000005087 graphitization Methods 0.000 description 10
230000000704 physical effect Effects 0.000 description 9
239000011295 pitch Substances 0.000 description 8
238000009835 boiling Methods 0.000 description 7
239000002245 particle Substances 0.000 description 6
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
239000000571 coke Substances 0.000 description 5
229910052760 oxygen Inorganic materials 0.000 description 5
239000001301 oxygen Substances 0.000 description 5
239000002956 ash Substances 0.000 description 4
230000006835 compression Effects 0.000 description 4
238000007906 compression Methods 0.000 description 4
239000012299 nitrogen atmosphere Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
239000003245 coal Substances 0.000 description 3
239000000945 filler Substances 0.000 description 3
239000000126 substance Substances 0.000 description 3
238000007664 blowing Methods 0.000 description 2
238000011161 development Methods 0.000 description 2
238000001035 drying Methods 0.000 description 2
230000005484 gravity Effects 0.000 description 2
238000011835 investigation Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
238000002156 mixing Methods 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000011269 tar Substances 0.000 description 2
235000002918 Fraxinus excelsior Nutrition 0.000 description 1
239000002253 acid Substances 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
239000003513 alkali Substances 0.000 description 1
238000004380 ashing Methods 0.000 description 1
239000004020 conductor Substances 0.000 description 1
230000005611 electricity Effects 0.000 description 1
230000003628 erosive effect Effects 0.000 description 1
238000005259 measurement Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000003921 oil Substances 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000011301 petroleum pitch Substances 0.000 description 1
239000002243 precursor Substances 0.000 description 1
230000036647 reaction Effects 0.000 description 1
239000011347 resin Substances 0.000 description 1
229920005989 resin Polymers 0.000 description 1
238000000926 separation method Methods 0.000 description 1
238000009628 steelmaking Methods 0.000 description 1
238000012719 thermal polymerization Methods 0.000 description 1

Landscapes

Carbon And Carbon Compounds (AREA)
Ceramic Products (AREA)

CA000450463A 1984-03-26 1984-03-26 Production de poudres de carbone Expired CA1238768A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000450463A CA1238768A (fr)	1984-03-26	1984-03-26	Production de poudres de carbone

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000450463A CA1238768A (fr)	1984-03-26	1984-03-26	Production de poudres de carbone

Publications (1)

Publication Number	Publication Date
CA1238768A true CA1238768A (fr)	1988-07-05

Family

ID=4127504

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000450463A Expired CA1238768A (fr)	1984-03-26	1984-03-26	Production de poudres de carbone

Country Status (1)

Country	Link
CA (1)	CA1238768A (fr)

1984
- 1984-03-26 CA CA000450463A patent/CA1238768A/fr not_active Expired

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Legal Events

Date	Code	Title	Description
2005-07-05	MKEX	Expiry