ES8506367A1 - Un procedimiento para la obtencion de pulpa para la fabricacion de papel - Google Patents
Un procedimiento para la obtencion de pulpa para la fabricacion de papelInfo
- Publication number
- ES8506367A1 ES8506367A1 ES535377A ES535377A ES8506367A1 ES 8506367 A1 ES8506367 A1 ES 8506367A1 ES 535377 A ES535377 A ES 535377A ES 535377 A ES535377 A ES 535377A ES 8506367 A1 ES8506367 A1 ES 8506367A1
- Authority
- ES
- Spain
- Prior art keywords
- digester
- liquor
- cooking
- hot
- temperature
- 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
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/266—Multistage processes the same pulping agent being used in all stages
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
Landscapes
- Paper (AREA)
- Commercial Cooking Devices (AREA)
Abstract
PROCEDIMIENTO PARA LA OBTENCION DE PULPA PARA LA FABRICACION DE PAPEL.COMPRENDE: A) INTRODUCIR LAS VIRUTAS DE MADERA A COCINAR EN UN DIGESTOR (10); B) REMOJAR LAS VIRUTAS DE A) CON UN BAN/O CALIENTE NEGRO; C) RETIRAR EL BAN/O CALIENTE NEGRO DEL DIGESTOR CON UNA MEZCLA DE UN PRIMER BAN/O CALIENTE NEGRO Y BAN/O CALIENTE BLANCO; D) ELEVAR LA TEMPERATURA DEL CONTENIDO DEL DIGESTOR; E) SUSTITUIR EL BAN/O DEL DIGESTOR CON UNA MEZCLA DE UN SEGUNDO BAN/O CALIENTE NEGRO Y BAN/O CALIENTE BLANCO; F) AUMENTAR LA TEMPERATURA DEL DIGESTOR; G) DESPLAZAR EL BAN/O DEL DIGESTOR CON UN LIQUIDO DE FILTRADO; Y H) VACIAR EL CONTENIDO DEL DIGESTOR POR MEDIO DE LA APLICACION DE PRESION DE GAS DENTRO DEL DIGESTOR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US52612183A | 1983-08-24 | 1983-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES535377A0 ES535377A0 (es) | 1985-07-16 |
ES8506367A1 true ES8506367A1 (es) | 1985-07-16 |
Family
ID=24096001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES535377A Expired ES8506367A1 (es) | 1983-08-24 | 1984-08-23 | Un procedimiento para la obtencion de pulpa para la fabricacion de papel |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0135461B1 (es) |
JP (1) | JPS6059189A (es) |
KR (1) | KR860001615B1 (es) |
BR (1) | BR8404040A (es) |
CA (1) | CA1255948A (es) |
DE (2) | DE135461T1 (es) |
ES (1) | ES8506367A1 (es) |
FI (1) | FI80085C (es) |
IN (1) | IN160869B (es) |
MX (1) | MX167934B (es) |
PH (1) | PH23991A (es) |
SU (1) | SU1454262A3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69004438T2 (de) * | 1989-09-28 | 1994-05-11 | Beloit Technologies Inc | Heizung mit verschiebung in kontinuierlichen zellstoffkochern. |
US5256255A (en) * | 1989-09-28 | 1993-10-26 | Beloit Technologies, Inc. | Displacement heating in continuous digesters |
TW270159B (es) * | 1994-03-04 | 1996-02-11 | Beloit Technologies Inc | |
US5522958A (en) * | 1994-07-18 | 1996-06-04 | Pulp And Paper Research Institute Of Canada | Two-stage kraft cooking |
BE1011504A3 (fr) * | 1997-10-17 | 1999-10-05 | Solvay Interox | Fabrication de pate a papier chimique. |
US7932454B2 (en) | 2007-04-18 | 2011-04-26 | Master Key, Llc | System and method for musical instruction |
FI20090079A (fi) * | 2009-03-05 | 2010-09-06 | Andritz Inc | Lämmön talteenotto jätekeittolipeästä sellutehtaan keittämöllä |
CN102154874B (zh) * | 2011-04-29 | 2012-11-21 | 白福安 | 一种置换蒸煮制浆方法 |
RU2499857C1 (ru) * | 2012-04-19 | 2013-11-27 | Открытое акционерное общество "Группа "Илим" | Способ получения сульфатной целлюлозы для химической переработки |
KR102549977B1 (ko) * | 2021-02-26 | 2023-06-29 | 고려대학교 산학협력단 | 메타서피스를 이용한 고주파 소음 필터링 귀마개 |
CN116084197A (zh) * | 2022-12-27 | 2023-05-09 | 中国海诚工程科技股份有限公司 | 一种秸秆乙醇法置换蒸煮工艺 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB291065A (en) * | 1927-05-28 | 1928-10-11 | George Cochrane Godfrey | Improvements in or relating to processes for separating or extracting cellulose or paper pulp |
BR7406365D0 (pt) * | 1974-08-02 | 1974-11-19 | Suzano Papel & Celulose | Equipamento e metodo para delignificar materiais fibrosos com solucoes alcalinas |
FI63268C (fi) * | 1979-04-11 | 1989-06-21 | Sunds Defibrator | Foerfaringssaett foer toemning av en satsvis cellulosakokare. |
FI831781L (fi) * | 1982-07-28 | 1984-01-29 | Beloit Corp | Process foer portionsvis kokning av traeflis |
-
1984
- 1984-07-31 JP JP59159475A patent/JPS6059189A/ja active Pending
- 1984-08-01 CA CA000460156A patent/CA1255948A/en not_active Expired
- 1984-08-03 EP EP84630112A patent/EP0135461B1/en not_active Expired
- 1984-08-03 DE DE198484630112T patent/DE135461T1/de active Pending
- 1984-08-03 DE DE8484630112T patent/DE3463401D1/de not_active Expired
- 1984-08-10 IN IN561/CAL/84A patent/IN160869B/en unknown
- 1984-08-13 BR BR8404040A patent/BR8404040A/pt not_active IP Right Cessation
- 1984-08-13 FI FI843183A patent/FI80085C/fi not_active IP Right Cessation
- 1984-08-17 KR KR1019840004969A patent/KR860001615B1/ko not_active IP Right Cessation
- 1984-08-17 PH PH31115A patent/PH23991A/en unknown
- 1984-08-22 MX MX202464A patent/MX167934B/es unknown
- 1984-08-23 ES ES535377A patent/ES8506367A1/es not_active Expired
- 1984-08-23 SU SU843781689A patent/SU1454262A3/ru active
Also Published As
Publication number | Publication date |
---|---|
BR8404040A (pt) | 1985-07-16 |
FI80085C (fi) | 1990-04-10 |
DE3463401D1 (en) | 1987-06-04 |
KR860001615B1 (ko) | 1986-10-14 |
CA1255948A (en) | 1989-06-20 |
EP0135461B1 (en) | 1987-04-29 |
KR850001816A (ko) | 1985-04-01 |
DE135461T1 (de) | 1986-02-13 |
ES535377A0 (es) | 1985-07-16 |
FI843183A (fi) | 1985-02-25 |
EP0135461A1 (en) | 1985-03-27 |
IN160869B (es) | 1987-08-08 |
FI843183A0 (fi) | 1984-08-13 |
JPS6059189A (ja) | 1985-04-05 |
FI80085B (fi) | 1989-12-29 |
MX167934B (es) | 1993-04-22 |
SU1454262A3 (ru) | 1989-01-23 |
PH23991A (en) | 1990-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC1A | Transfer granted | ||
FD1A | Patent lapsed |
Effective date: 20020304 |