JPH048554B2 - - Google Patents
Info
- Publication number
- JPH048554B2 JPH048554B2 JP17187286A JP17187286A JPH048554B2 JP H048554 B2 JPH048554 B2 JP H048554B2 JP 17187286 A JP17187286 A JP 17187286A JP 17187286 A JP17187286 A JP 17187286A JP H048554 B2 JPH048554 B2 JP H048554B2
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- concentration
- waste paper
- weight
- printed waste
- 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.)
- Expired - Lifetime
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000010893 paper waste Substances 0.000 claims description 24
- 239000003513 alkali Substances 0.000 claims description 14
- 239000002761 deinking Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 9
- 238000011282 treatment Methods 0.000 claims description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000007844 bleaching agent Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000010907 mechanical stirring Methods 0.000 claims description 5
- 239000004094 surface-active agent Substances 0.000 claims description 5
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 2
- 230000005070 ripening Effects 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 9
- 229920001131 Pulp (paper) Polymers 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000004898 kneading Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000007644 letterpress printing Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000009897 hydrogen peroxide bleaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013055 pulp slurry Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61171872A JPS6328992A (ja) | 1986-07-23 | 1986-07-23 | 印刷古紙の脱墨方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61171872A JPS6328992A (ja) | 1986-07-23 | 1986-07-23 | 印刷古紙の脱墨方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6328992A JPS6328992A (ja) | 1988-02-06 |
| JPH048554B2 true JPH048554B2 (de) | 1992-02-17 |
Family
ID=15931355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61171872A Granted JPS6328992A (ja) | 1986-07-23 | 1986-07-23 | 印刷古紙の脱墨方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6328992A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02221480A (ja) * | 1989-02-23 | 1990-09-04 | Honshu Paper Co Ltd | 印刷古紙の脱インキ法 |
| JPH04333682A (ja) * | 1991-05-10 | 1992-11-20 | Sanyo Kokusaku Pulp Co Ltd | トナー印刷古紙の脱墨方法 |
| US5370770A (en) * | 1992-11-09 | 1994-12-06 | The Mead Corporation | Method for deinking printed waste paper using soybean peroxidase |
| US7566014B2 (en) * | 2006-08-31 | 2009-07-28 | Kx Technologies Llc | Process for producing fibrillated fibers |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352704A (en) * | 1976-10-19 | 1978-05-13 | Masashi Kobayashi | Process for regenerating printed paper |
| JPS58126388A (ja) * | 1982-01-14 | 1983-07-27 | ヨツト エム フオイト ゲーエムベーハー | 故紙から繊維性原料を生産するプロセス |
| JPS6111353A (ja) * | 1984-06-18 | 1986-01-18 | 太田 範子 | 磁石密栓 |
| JPS6260515A (ja) * | 1985-09-09 | 1987-03-17 | 松下電工株式会社 | 電動歯ブラシ |
-
1986
- 1986-07-23 JP JP61171872A patent/JPS6328992A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5352704A (en) * | 1976-10-19 | 1978-05-13 | Masashi Kobayashi | Process for regenerating printed paper |
| JPS58126388A (ja) * | 1982-01-14 | 1983-07-27 | ヨツト エム フオイト ゲーエムベーハー | 故紙から繊維性原料を生産するプロセス |
| JPS6111353A (ja) * | 1984-06-18 | 1986-01-18 | 太田 範子 | 磁石密栓 |
| JPS6260515A (ja) * | 1985-09-09 | 1987-03-17 | 松下電工株式会社 | 電動歯ブラシ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6328992A (ja) | 1988-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |