JPH0160111B2 - - Google Patents
Info
- Publication number
- JPH0160111B2 JPH0160111B2 JP62097262A JP9726287A JPH0160111B2 JP H0160111 B2 JPH0160111 B2 JP H0160111B2 JP 62097262 A JP62097262 A JP 62097262A JP 9726287 A JP9726287 A JP 9726287A JP H0160111 B2 JPH0160111 B2 JP H0160111B2
- Authority
- JP
- Japan
- Prior art keywords
- pulp
- yield
- bast
- cooking
- 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
- 238000010411 cooking Methods 0.000 claims description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- 238000004061 bleaching Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- 150000004056 anthraquinones Chemical class 0.000 claims description 4
- 239000002738 chelating agent Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims 4
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims 1
- 150000008041 alkali metal carbonates Chemical class 0.000 claims 1
- 235000006408 oxalic acid Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 description 9
- 238000004537 pulping Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 235000001459 whitebark Nutrition 0.000 description 6
- 241001265525 Edgeworthia chrysantha Species 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 4
- ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 4
- 229940039790 sodium oxalate Drugs 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- MRVATQWXALDVFU-UHFFFAOYSA-N hydrogen peroxide;oxalic acid Chemical compound OO.OC(=O)C(O)=O MRVATQWXALDVFU-UHFFFAOYSA-N 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 240000006248 Broussonetia kazinoki Species 0.000 description 1
- 235000006716 Broussonetia kazinoki Nutrition 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62097262A JPS63264991A (ja) | 1987-04-22 | 1987-04-22 | 無漂白で靭皮から高白色度の未晒化学パルプを高収率で製造する方法 |
| KR1019880001815A KR920007940B1 (ko) | 1987-04-22 | 1988-02-22 | 펄프 제조공정 및 그 장치 |
| CN88100989A CN1012088B (zh) | 1987-04-22 | 1988-02-22 | 制纸浆方法 |
| US07/158,776 US4851082A (en) | 1987-04-22 | 1988-02-22 | Pulping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62097262A JPS63264991A (ja) | 1987-04-22 | 1987-04-22 | 無漂白で靭皮から高白色度の未晒化学パルプを高収率で製造する方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63264991A JPS63264991A (ja) | 1988-11-01 |
| JPH0160111B2 true JPH0160111B2 (ko) | 1989-12-21 |
Family
ID=14187627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62097262A Granted JPS63264991A (ja) | 1987-04-22 | 1987-04-22 | 無漂白で靭皮から高白色度の未晒化学パルプを高収率で製造する方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63264991A (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992005309A1 (en) * | 1990-09-14 | 1992-04-02 | Akio Mita | Process for producing chemical pulp |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0931862A1 (en) * | 1998-01-23 | 1999-07-28 | Instituut Voor Agrotechnologisch Onderzoek (Ato-Dlo) | Process for the production of elementary vegetable bast fibres |
| US7306698B2 (en) | 2001-03-20 | 2007-12-11 | Biopulping International | Method for producing pulp |
| BRPI0711473A2 (pt) * | 2006-05-19 | 2011-11-16 | Univ New York State Res Found | método de tratamento de material fibroso celulósico triturado, e, polpa |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668178A (en) * | 1979-11-02 | 1981-06-08 | Kogyo Gijutsuin | Pulp producing method |
| JPS5753917A (ja) * | 1980-09-17 | 1982-03-31 | Nec Corp | Inpiidansuhenkanhenseiki |
| JPS57161182A (en) * | 1981-03-23 | 1982-10-04 | Kouchi Daigaku | Pulp production using pecto-cellulosic plant fiber as stock material |
| JPS599677A (ja) * | 1982-07-03 | 1984-01-19 | ディベロップ・ドクトル・アイスバイン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニ− | 複写機などの現像装置 |
| JPS61138790A (ja) * | 1984-12-05 | 1986-06-26 | 工業技術院長 | 針葉樹難蒸解材から高白色度の晒パルプの製造方法 |
-
1987
- 1987-04-22 JP JP62097262A patent/JPS63264991A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5668178A (en) * | 1979-11-02 | 1981-06-08 | Kogyo Gijutsuin | Pulp producing method |
| JPS5753917A (ja) * | 1980-09-17 | 1982-03-31 | Nec Corp | Inpiidansuhenkanhenseiki |
| JPS57161182A (en) * | 1981-03-23 | 1982-10-04 | Kouchi Daigaku | Pulp production using pecto-cellulosic plant fiber as stock material |
| JPS599677A (ja) * | 1982-07-03 | 1984-01-19 | ディベロップ・ドクトル・アイスバイン・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング・ウント・コンパニ− | 複写機などの現像装置 |
| JPS61138790A (ja) * | 1984-12-05 | 1986-06-26 | 工業技術院長 | 針葉樹難蒸解材から高白色度の晒パルプの製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1992005309A1 (en) * | 1990-09-14 | 1992-04-02 | Akio Mita | Process for producing chemical pulp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63264991A (ja) | 1988-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |