JPH0585676B2 - - Google Patents
Info
- Publication number
- JPH0585676B2 JPH0585676B2 JP19205687A JP19205687A JPH0585676B2 JP H0585676 B2 JPH0585676 B2 JP H0585676B2 JP 19205687 A JP19205687 A JP 19205687A JP 19205687 A JP19205687 A JP 19205687A JP H0585676 B2 JPH0585676 B2 JP H0585676B2
- Authority
- JP
- Japan
- Prior art keywords
- bleaching
- waste paper
- paper pulp
- pulp
- bisulfite
- 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 - Fee Related
Links
- 238000004061 bleaching Methods 0.000 claims description 37
- 239000010893 paper waste Substances 0.000 claims description 33
- 229920001131 Pulp (paper) Polymers 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 13
- 150000002978 peroxides Chemical class 0.000 claims description 12
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 10
- 230000023556 desulfurization Effects 0.000 claims description 10
- 239000003546 flue gas Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 6
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 6
- 235000010265 sodium sulphite Nutrition 0.000 claims description 6
- 239000013055 pulp slurry Substances 0.000 claims 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 239000007844 bleaching agent Substances 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002087 whitening effect Effects 0.000 description 3
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- XQIMLPCOVYNASM-UHFFFAOYSA-N borole Chemical compound B1C=CC=C1 XQIMLPCOVYNASM-UHFFFAOYSA-N 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002761 deinking Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19205687A JPS6440692A (en) | 1987-07-31 | 1987-07-31 | Bleaching of old paper pulp by waste gas desulfurizing product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19205687A JPS6440692A (en) | 1987-07-31 | 1987-07-31 | Bleaching of old paper pulp by waste gas desulfurizing product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6440692A JPS6440692A (en) | 1989-02-10 |
| JPH0585676B2 true JPH0585676B2 (de) | 1993-12-08 |
Family
ID=16284881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19205687A Granted JPS6440692A (en) | 1987-07-31 | 1987-07-31 | Bleaching of old paper pulp by waste gas desulfurizing product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6440692A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03294589A (ja) * | 1990-04-09 | 1991-12-25 | Sanyo Kokusaku Pulp Co Ltd | 未選別情報記録紙古紙の処理法 |
-
1987
- 1987-07-31 JP JP19205687A patent/JPS6440692A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6440692A (en) | 1989-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |