JPS6364558B2 - - Google Patents
Info
- Publication number
- JPS6364558B2 JPS6364558B2 JP21698284A JP21698284A JPS6364558B2 JP S6364558 B2 JPS6364558 B2 JP S6364558B2 JP 21698284 A JP21698284 A JP 21698284A JP 21698284 A JP21698284 A JP 21698284A JP S6364558 B2 JPS6364558 B2 JP S6364558B2
- Authority
- JP
- Japan
- Prior art keywords
- tower
- cooking liquor
- sludge
- cooking
- concentration
- 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 34
- 238000000034 method Methods 0.000 claims description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 22
- 239000010802 sludge Substances 0.000 claims description 20
- 239000011575 calcium Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 claims description 17
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 239000002655 kraft paper Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 description 18
- 239000007788 liquid Substances 0.000 description 14
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 12
- 235000019738 Limestone Nutrition 0.000 description 11
- 239000006028 limestone Substances 0.000 description 11
- 235000010216 calcium carbonate Nutrition 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000292 calcium oxide Substances 0.000 description 6
- 235000012255 calcium oxide Nutrition 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 235000011116 calcium hydroxide Nutrition 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 229910017840 NH 3 Inorganic materials 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000009993 causticizing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000019621 digestibility Nutrition 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Paper (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21698284A JPS6197493A (ja) | 1984-10-16 | 1984-10-16 | サルフアイトパルプ蒸解液製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21698284A JPS6197493A (ja) | 1984-10-16 | 1984-10-16 | サルフアイトパルプ蒸解液製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6197493A JPS6197493A (ja) | 1986-05-15 |
| JPS6364558B2 true JPS6364558B2 (US07655688-20100202-C00086.png) | 1988-12-12 |
Family
ID=16696959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21698284A Granted JPS6197493A (ja) | 1984-10-16 | 1984-10-16 | サルフアイトパルプ蒸解液製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6197493A (US07655688-20100202-C00086.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103833U (US07655688-20100202-C00086.png) * | 1989-02-03 | 1990-08-17 |
-
1984
- 1984-10-16 JP JP21698284A patent/JPS6197493A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02103833U (US07655688-20100202-C00086.png) * | 1989-02-03 | 1990-08-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6197493A (ja) | 1986-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4148684A (en) | Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations | |
| US5391302A (en) | Method of improving city water | |
| ES448536A1 (es) | Procedimiento para el tratamiento de lodos de salmuera. | |
| US2285876A (en) | Waste sulphite liquor recovery | |
| US4241041A (en) | Methods for the recovery of sulfur components from flue gas and recycle sodium sulfite by reduction-smelting and carbonating to strip hydrogen sulfide | |
| JPS6364558B2 (US07655688-20100202-C00086.png) | ||
| US4490341A (en) | Flue gas desulfurization process | |
| EP0617747B1 (en) | A method of preparing digesting liquor | |
| US3619350A (en) | Chlorine dioxide pulp bleaching system | |
| US4336102A (en) | Method for recovery and reuse of ammonia in ammonia-base sulfite cooking liquors | |
| US4627888A (en) | Causticizing method | |
| US3554859A (en) | Process for recovery of sulphur from furnaced black liquor | |
| US3654071A (en) | Process for replacing sodium and sulfur losses and for controlling the sulfide content in sodium- and sulfur-containing cellulosic digesting liquors | |
| JPH0641892A (ja) | 軽質炭酸カルシウムの製造方法 | |
| CN109331620A (zh) | 一种钙镁复合脱硫剂及其钙镁复合脱硫工艺 | |
| CN106731627A (zh) | 烟气脱硫并将脱硫副产物循环利用的系统 | |
| KR850002245A (ko) | 칼사이트계 탄산칼슘의 제조방법 | |
| JPS62289691A (ja) | 苛性化方法 | |
| US2716589A (en) | Process of re-forming magnesium bisulfite solution | |
| SU715615A1 (ru) | Способ газификации твердого топлива в кип щем слое | |
| US3842160A (en) | Process for reducing emission of hydrogen sulfide when washing sulfur-dioxide-containing waste gases obtained from the burning of cellulose waste liquor | |
| CN1243807A (zh) | 碱法造纸黑液处理回收方法 | |
| US2382902A (en) | Boiler feed-water treatment process | |
| US2730445A (en) | Integrated lignocellulose digestion and recovery process | |
| CN1024094C (zh) | 一种芒硝转化为烧碱的方法 |