ES430977A1 - Un procedimiento ciclico mejorado de transformacion en pas-ta de papel y recuperacion de productos quimicos para produ-cir pasta de papel a partir de materiales lignocelulosicos. - Google Patents
Un procedimiento ciclico mejorado de transformacion en pas-ta de papel y recuperacion de productos quimicos para produ-cir pasta de papel a partir de materiales lignocelulosicos.Info
- Publication number
- ES430977A1 ES430977A1 ES430977A ES430977A ES430977A1 ES 430977 A1 ES430977 A1 ES 430977A1 ES 430977 A ES430977 A ES 430977A ES 430977 A ES430977 A ES 430977A ES 430977 A1 ES430977 A1 ES 430977A1
- Authority
- ES
- Spain
- Prior art keywords
- smelt
- wood
- dissolving tank
- improving
- properties
- 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
- 241001062472 Stokellia anisodon Species 0.000 title abstract 3
- 238000004537 pulping Methods 0.000 title abstract 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 title abstract 2
- 238000004880 explosion Methods 0.000 title abstract 2
- 229910052708 sodium Inorganic materials 0.000 title abstract 2
- 239000011734 sodium Substances 0.000 title abstract 2
- 239000002023 wood Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 abstract 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- -1 alkali metal borates Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract 1
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/00259—Preventing runaway of the chemical reaction
- B01J2219/00263—Preventing explosion of the chemical mixture
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US406498A US3873413A (en) | 1973-10-15 | 1973-10-15 | Method of improving smelt properties and reducing dissolving tank explosions during pulping of wood with sodium based liquors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES430977A1 true ES430977A1 (es) | 1976-10-16 |
Family
ID=23608241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES430977A Expired ES430977A1 (es) | 1973-10-15 | 1974-10-14 | Un procedimiento ciclico mejorado de transformacion en pas-ta de papel y recuperacion de productos quimicos para produ-cir pasta de papel a partir de materiales lignocelulosicos. |
Country Status (10)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106978A (en) * | 1977-01-31 | 1978-08-15 | Combustion Engineering, Inc. | Method of preventing explosions using a smelt water explosion inhibitor |
| US6348128B1 (en) * | 1998-06-01 | 2002-02-19 | U.S. Borax Inc. | Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition |
| US6294048B1 (en) * | 1998-06-01 | 2001-09-25 | U.S. Borax Inc. | Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate |
| US20050037226A1 (en) * | 2003-08-12 | 2005-02-17 | Peascoe Meisner Roberta A. | Alkali resistant refractories |
| US7735435B2 (en) * | 2006-05-24 | 2010-06-15 | Diamond Power International, Inc. | Apparatus for cleaning a smelt spout of a combustion device |
| US7854847B2 (en) * | 2006-11-09 | 2010-12-21 | Rayonier Trs Holdings Inc. | Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3447895A (en) * | 1966-12-01 | 1969-06-03 | Combustion Eng | Method of preventing smelt-water explosions |
| US3615175A (en) * | 1969-03-24 | 1971-10-26 | Combustion Eng | Preventing physical explosion due to the interaction of liquid water and molten chemical compounds |
| US3650889A (en) * | 1970-08-03 | 1972-03-21 | Combustion Eng | Pollution controlled polysulfide recovery process |
-
1973
- 1973-10-15 US US406498A patent/US3873413A/en not_active Expired - Lifetime
-
1974
- 1974-09-25 ZA ZA00746077A patent/ZA746077B/xx unknown
- 1974-10-11 GB GB44140/74A patent/GB1489349A/en not_active Expired
- 1974-10-11 CA CA211,277A patent/CA1058357A/en not_active Expired
- 1974-10-14 FR FR7434424A patent/FR2247576B1/fr not_active Expired
- 1974-10-14 ES ES430977A patent/ES430977A1/es not_active Expired
- 1974-10-14 SE SE7412884A patent/SE412424B/xx not_active IP Right Cessation
- 1974-10-14 BR BR8536/74A patent/BR7408536D0/pt unknown
- 1974-10-14 DE DE2448891A patent/DE2448891C3/de not_active Expired
- 1974-10-15 JP JP49118608A patent/JPS524642B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2448891B2 (de) | 1977-09-01 |
| JPS5064502A (enrdf_load_stackoverflow) | 1975-05-31 |
| ZA746077B (en) | 1976-04-28 |
| FR2247576A1 (enrdf_load_stackoverflow) | 1975-05-09 |
| FR2247576B1 (enrdf_load_stackoverflow) | 1977-11-10 |
| SE412424B (sv) | 1980-03-03 |
| CA1058357A (en) | 1979-07-17 |
| JPS524642B2 (enrdf_load_stackoverflow) | 1977-02-05 |
| US3873413A (en) | 1975-03-25 |
| GB1489349A (en) | 1977-10-19 |
| BR7408536D0 (pt) | 1975-08-05 |
| DE2448891C3 (de) | 1978-04-27 |
| DE2448891A1 (de) | 1975-04-17 |
| SE7412884L (enrdf_load_stackoverflow) | 1975-04-16 |
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|---|---|---|
| ES430977A1 (es) | Un procedimiento ciclico mejorado de transformacion en pas-ta de papel y recuperacion de productos quimicos para produ-cir pasta de papel a partir de materiales lignocelulosicos. | |
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| SE8303101D0 (sv) | Massakokningsforfarande och komposition for genomforande av detsamma | |
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