JPS6111353B2 - - Google Patents
Info
- Publication number
- JPS6111353B2 JPS6111353B2 JP11365878A JP11365878A JPS6111353B2 JP S6111353 B2 JPS6111353 B2 JP S6111353B2 JP 11365878 A JP11365878 A JP 11365878A JP 11365878 A JP11365878 A JP 11365878A JP S6111353 B2 JPS6111353 B2 JP S6111353B2
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- waste paper
- concentration
- deinking
- whiteness
- 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
Links
- 239000010893 paper waste Substances 0.000 claims description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 239000002761 deinking Substances 0.000 claims description 16
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000007844 bleaching agent Substances 0.000 claims description 7
- 238000010907 mechanical stirring Methods 0.000 claims description 7
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 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
- 239000004094 surface-active agent Substances 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 3
- 230000000052 comparative effect Effects 0.000 description 16
- 239000003513 alkali Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 229920001131 Pulp (paper) Polymers 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 239000000123 paper Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000013019 agitation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000007644 letterpress printing Methods 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil 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 |
|---|---|---|---|
| JP11365878A JPS5540850A (en) | 1978-09-18 | 1978-09-18 | Deinking of printed waste paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11365878A JPS5540850A (en) | 1978-09-18 | 1978-09-18 | Deinking of printed waste paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5540850A JPS5540850A (en) | 1980-03-22 |
| JPS6111353B2 true JPS6111353B2 (ko) | 1986-04-02 |
Family
ID=14617853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11365878A Granted JPS5540850A (en) | 1978-09-18 | 1978-09-18 | Deinking of printed waste paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5540850A (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2482989A1 (fr) * | 1980-05-22 | 1981-11-27 | Interox | Procede pour la regeneration de vieux papiers |
| JPS5725488A (en) * | 1980-07-16 | 1982-02-10 | Mitsubishi Gas Chemical Co | Deinking of printed waste paper |
| DE3200893C1 (de) * | 1982-01-14 | 1983-06-01 | J.M. Voith Gmbh, 7920 Heidenheim | Verfahren und Anlage zur Herstellung von gereinigtem Faserstoff aus Altpapier |
| IT1155310B (it) * | 1982-04-19 | 1987-01-28 | Jean Marie Clement | Procedimento per il trattamento di riciclaggio di carta stampata da macero |
| JP2002069876A (ja) * | 2000-08-22 | 2002-03-08 | Nippon Paper Industries Co Ltd | 古紙の脱墨方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4937721A (ko) * | 1972-08-15 | 1974-04-08 | ||
| JPS5417042A (en) * | 1977-07-08 | 1979-02-08 | Canon Inc | Wide-angle zoom lens |
-
1978
- 1978-09-18 JP JP11365878A patent/JPS5540850A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4937721A (ko) * | 1972-08-15 | 1974-04-08 | ||
| JPS5417042A (en) * | 1977-07-08 | 1979-02-08 | Canon Inc | Wide-angle zoom lens |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5540850A (en) | 1980-03-22 |
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