CA1049713A - Recovering turpentine and heat from black liquor from a continuous digestor - Google Patents
Recovering turpentine and heat from black liquor from a continuous digestorInfo
- Publication number
- CA1049713A CA1049713A CA229,293A CA229293A CA1049713A CA 1049713 A CA1049713 A CA 1049713A CA 229293 A CA229293 A CA 229293A CA 1049713 A CA1049713 A CA 1049713A
- Authority
- CA
- Canada
- Prior art keywords
- liquor
- expansion
- digesting
- vapors
- precursor
- 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
- 241000779819 Syncarpia glomulifera Species 0.000 title claims abstract description 8
- 239000001739 pinus spp. Substances 0.000 title claims abstract description 8
- 229940036248 turpentine Drugs 0.000 title claims abstract description 8
- 238000001704 evaporation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002243 precursor Substances 0.000 claims abstract description 13
- 239000001913 cellulose Substances 0.000 claims abstract description 10
- 229920002678 cellulose Polymers 0.000 claims abstract description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- 230000029087 digestion Effects 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 7
- 238000004061 bleaching Methods 0.000 claims description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000013078 crystal Substances 0.000 claims description 4
- 238000010025 steaming Methods 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 14
- 238000002425 crystallisation Methods 0.000 description 14
- 230000008025 crystallization Effects 0.000 description 13
- 235000017550 sodium carbonate Nutrition 0.000 description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 description 7
- 239000000126 substance Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 3
- 239000000920 calcium hydroxide Substances 0.000 description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI1889/74A FI52127C (fi) | 1974-06-19 | 1974-06-19 | Saett att aotervinna terpentin och vaerme i samband med indunstning av svartlut som fraon en kontinuerligt arbetande cellulosakokare avgaor under hoegt tryck och hoeg temperatur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1049713A true CA1049713A (en) | 1979-03-06 |
Family
ID=8506365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,293A Expired CA1049713A (en) | 1974-06-19 | 1975-06-13 | Recovering turpentine and heat from black liquor from a continuous digestor |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA1049713A (enrdf_load_stackoverflow) |
| FI (1) | FI52127C (enrdf_load_stackoverflow) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421597A (en) * | 1981-12-08 | 1983-12-20 | Georgia-Pacific Corporation | Method for recovering heat in an alkaline pulp digesting process |
| US4568422A (en) * | 1981-12-08 | 1986-02-04 | Georgia-Pacific Corporation | System for recovering heat in an alkaline pulp digesting process |
| US4897157A (en) * | 1986-07-08 | 1990-01-30 | Kamyr, Inc. | Make-up liquor and black liquor evaporating processing during pulp production |
| US4909899A (en) * | 1986-09-22 | 1990-03-20 | A. Ahlstrom Corporation | Method of concentrating sludges |
| US5089087A (en) * | 1986-07-08 | 1992-02-18 | Kamyr, Inc. | Make-up liquor and black liquor evaporating process during pulp production |
| US5112441A (en) * | 1985-04-25 | 1992-05-12 | Oy Tampella Ab | Process for the recovery of heat and chemicals from spent liquor |
| WO2001049928A1 (en) * | 1999-12-29 | 2001-07-12 | Metso Chemical Pulping Oy | Method for improved turpentine recovery from modern cooking plants |
-
1974
- 1974-06-19 FI FI1889/74A patent/FI52127C/fi active
-
1975
- 1975-06-13 CA CA229,293A patent/CA1049713A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421597A (en) * | 1981-12-08 | 1983-12-20 | Georgia-Pacific Corporation | Method for recovering heat in an alkaline pulp digesting process |
| US4568422A (en) * | 1981-12-08 | 1986-02-04 | Georgia-Pacific Corporation | System for recovering heat in an alkaline pulp digesting process |
| US5112441A (en) * | 1985-04-25 | 1992-05-12 | Oy Tampella Ab | Process for the recovery of heat and chemicals from spent liquor |
| US4897157A (en) * | 1986-07-08 | 1990-01-30 | Kamyr, Inc. | Make-up liquor and black liquor evaporating processing during pulp production |
| US5089087A (en) * | 1986-07-08 | 1992-02-18 | Kamyr, Inc. | Make-up liquor and black liquor evaporating process during pulp production |
| US4909899A (en) * | 1986-09-22 | 1990-03-20 | A. Ahlstrom Corporation | Method of concentrating sludges |
| WO2001049928A1 (en) * | 1999-12-29 | 2001-07-12 | Metso Chemical Pulping Oy | Method for improved turpentine recovery from modern cooking plants |
| US7384501B2 (en) | 1999-12-29 | 2008-06-10 | Metso Paper Pori Oy | Method for improved turpentine recovery from modern cooking plants |
Also Published As
| Publication number | Publication date |
|---|---|
| FI188974A7 (enrdf_load_stackoverflow) | 1975-12-20 |
| FI52127C (fi) | 1978-04-17 |
| FI52127B (enrdf_load_stackoverflow) | 1977-02-28 |
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