JPS56155011A - Preparation of fibrous active carbon - Google Patents
Preparation of fibrous active carbonInfo
- Publication number
- JPS56155011A JPS56155011A JP5713580A JP5713580A JPS56155011A JP S56155011 A JPS56155011 A JP S56155011A JP 5713580 A JP5713580 A JP 5713580A JP 5713580 A JP5713580 A JP 5713580A JP S56155011 A JPS56155011 A JP S56155011A
- Authority
- JP
- Japan
- Prior art keywords
- fibers
- acid
- active carbon
- atmosphere
- fibrous active
- Prior art date
- 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.)
- Granted
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052799 carbon Inorganic materials 0.000 title abstract 3
- 239000000835 fiber Substances 0.000 abstract 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 230000001590 oxidative effect Effects 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- 239000004327 boric acid Substances 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 150000001639 boron compounds Chemical class 0.000 abstract 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 150000002484 inorganic compounds Chemical class 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 150000002903 organophosphorus compounds Chemical class 0.000 abstract 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 229940005657 pyrophosphoric acid Drugs 0.000 abstract 1
Landscapes
- Carbon And Carbon Compounds (AREA)
- Inorganic Fibers (AREA)
Abstract
PURPOSE: In preparing fibrous active carbon, to shorten time required for preparing it extremely, by oxidizing preliminarily raw material acrylonitrile type fibers, followed by subjecting them to oxidation treatment under specific conditions.
CONSTITUTION: Raw material acrylonitrile type fibers are preliminarily oxidized under oxidizing atmosphere until their equilibrium moisture content at 80% RH (relative humidity) becomes 2W5%. The prepared oxidized fibers are adjusted with phosphoric acid, metaphosphoric acid, pyrophosphoric acid, etc. and an inorganic or organic phosphorus compound, e.g., an alkyl- or arylphosphate, and a boron compound, e.g., boric acid, metaboric acid, etc. so that the fibers contain 0.01W 0.1wt% calculated as elements such as P and B. The prepared fibers are subjected to oxidation treatment in an atmosphere of an inert gas, e.g., N, He, Ar, etc. having an oxygen content 0.5W5vol% at 250W400°C for 1W30min. Finally the fibers are heated in an atmosphere of steam, CO2, NH3, etc. at 500W1,000°C and activated, thus to enable the preparation of fibrous active carbon in a short time.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5713580A JPS56155011A (en) | 1980-05-01 | 1980-05-01 | Preparation of fibrous active carbon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5713580A JPS56155011A (en) | 1980-05-01 | 1980-05-01 | Preparation of fibrous active carbon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56155011A true JPS56155011A (en) | 1981-12-01 |
| JPS6215645B2 JPS6215645B2 (en) | 1987-04-08 |
Family
ID=13047110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5713580A Granted JPS56155011A (en) | 1980-05-01 | 1980-05-01 | Preparation of fibrous active carbon |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56155011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921686A (en) * | 1986-05-29 | 1990-05-01 | Matsushita Electric Industrial Co., Ltd. | Method of carbonizing and activating fiber materials |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112553711A (en) * | 2020-12-15 | 2021-03-26 | 中南大学 | Rapid preoxidation method for polyacrylonitrile fiber precursor |
-
1980
- 1980-05-01 JP JP5713580A patent/JPS56155011A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4921686A (en) * | 1986-05-29 | 1990-05-01 | Matsushita Electric Industrial Co., Ltd. | Method of carbonizing and activating fiber materials |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6215645B2 (en) | 1987-04-08 |
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