MX173408B - Un procedimiento para la preparacion de licores de cocimiento que tiene una alta sulfidez para el cocimiento de pulpa de sulfato - Google Patents
Un procedimiento para la preparacion de licores de cocimiento que tiene una alta sulfidez para el cocimiento de pulpa de sulfatoInfo
- Publication number
- MX173408B MX173408B MX023395A MX2339590A MX173408B MX 173408 B MX173408 B MX 173408B MX 023395 A MX023395 A MX 023395A MX 2339590 A MX2339590 A MX 2339590A MX 173408 B MX173408 B MX 173408B
- Authority
- MX
- Mexico
- Prior art keywords
- cooking
- sulfur
- sodium
- pulp
- fed
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
Landscapes
- Paper (AREA)
- Commercial Cooking Devices (AREA)
Abstract
La presente invención se refiere a un procedimiento para preparar, bajo condiciones de reducción, licores de cocimiento que tienen una alta sulfidez para cocimiento de pulpa de sulfato, donde el licor negro formado en el procedimiento de cocimiento se alimenta, despues de la evaporación, completamente o parcialamente, a un reactor que opera a una temperatura creciente la cual es obtenida medianta el suministro de energía desde una fuente de calor externa y/o la liberación de energía desde el licor negro, una fundición que consisite esencialmente en sulfuro de sodio que se forma y se retira para ser adicionalmente procesado en licor de cocimiento, caracterizado porque en adición, se alimentan al reactor todos o parte de los materiales que contienen azufre y/o que contienen azufre y sodio, presentes en el molino de pulpa, incluyendo los ingredientes químicos de formación que contienen azufre y/o que contienen sodio y azufre utilizados para el balance de ingrediente químicos totales del molino de pulpa, de tal maneta que la proporción molar del sodio al azufre en la mezcla total alimentada al reactor está dentro del margen de 1.5 a 4.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8903953A SE465039B (sv) | 1989-11-23 | 1989-11-23 | Saett att framstaella koklutar med hoeg sulfiditet foer sulfatmassakokning |
Publications (1)
Publication Number | Publication Date |
---|---|
MX173408B true MX173408B (es) | 1994-03-01 |
Family
ID=20377574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX023395A MX173408B (es) | 1989-11-23 | 1990-11-21 | Un procedimiento para la preparacion de licores de cocimiento que tiene una alta sulfidez para el cocimiento de pulpa de sulfato |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0502052B1 (es) |
JP (1) | JP2815701B2 (es) |
CN (1) | CN1030003C (es) |
AR (1) | AR243947A1 (es) |
AT (1) | ATE112595T1 (es) |
AU (1) | AU662882B2 (es) |
BR (1) | BR9007837A (es) |
CA (1) | CA2069107C (es) |
DE (1) | DE69013159T2 (es) |
ES (1) | ES2062569T3 (es) |
FI (1) | FI103902B (es) |
MX (1) | MX173408B (es) |
MY (1) | MY104532A (es) |
NO (1) | NO176109C (es) |
RU (1) | RU2067637C1 (es) |
SE (1) | SE465039B (es) |
WO (1) | WO1991008337A1 (es) |
ZA (1) | ZA909337B (es) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5326433A (en) * | 1991-02-06 | 1994-07-05 | Ahlstrom Recovery Inc. | Multi-level sulfide content white liquor production and utilization in cellulose pulping |
US5213663A (en) * | 1991-07-22 | 1993-05-25 | The Foxboro Company | Method for controlling the sodium carbonate concentration of green liquor in the dissolving tank |
FI92725C (fi) * | 1991-09-09 | 1994-12-27 | Ahlstroem Oy | Menetelmä keittolipeän valmistamiseksi |
FI914586A (fi) * | 1991-09-27 | 1993-03-28 | Ahlstroem Oy | Foerfarande foer foerminskning av asklasten av en cellufabriks pannanlaeggning |
SE468600B (sv) * | 1991-12-16 | 1993-02-15 | Chemrec Ab | Saett att framstaella koklut med hoeg sulfiditet |
SE9300199L (sv) * | 1993-01-25 | 1994-07-26 | Kvaerner Pulping Tech | Metod vid återvinning av cellulosaavlutar |
US6027609A (en) | 1994-11-04 | 2000-02-22 | Kvaener Pulping Ab | Pulp-mill recovery installation for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers |
SE518735C2 (sv) * | 1999-10-13 | 2002-11-12 | Chemrec Ab | Förfarande och anordning vid utvinning av kemikalier i samband med förgasning av restprodukter från massaframställning |
CN1087045C (zh) * | 2000-03-17 | 2002-07-03 | 中国科学院生态环境研究中心 | 碱法制浆造纸黑液良性循环资源化处理新工艺 |
CL2010001609A1 (es) * | 2010-12-29 | 2011-03-18 | Univ De Concepcion 50% | Proceso para obtener tall oil util que comprende la reaccion entre una solucion de sesquisulfato de sodio y jabon de tall oil. |
CN103510418B (zh) * | 2012-06-25 | 2016-03-30 | 北京英力生科新材料技术有限公司 | 一种无黑液化学制浆工艺 |
CN103726375A (zh) * | 2013-12-30 | 2014-04-16 | 中冶美利纸业股份有限公司 | 一种沙柳亚硫酸盐法制浆工艺 |
CN103726376A (zh) * | 2013-12-30 | 2014-04-16 | 中冶美利纸业股份有限公司 | 阔叶木材间歇式低温快速制浆工艺 |
FI130066B (en) * | 2019-02-13 | 2023-01-31 | Andritz Oy | Process for replacing sodium losses in a pulp mill and process for producing bleached cellulosic pulp |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098639A (en) * | 1975-06-17 | 1978-07-04 | Mo Och Domsjo Aktiebolag | Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material |
SE447400B (sv) * | 1985-03-26 | 1986-11-10 | Skf Steel Eng Ab | Sett och anordning for kemikalieatervinning av massaavlutar i konventionell sodapanna |
IL80678A (en) * | 1985-11-19 | 1999-05-09 | Schering Biotech Corp | Human interleukin-4 |
JPS62166881A (ja) * | 1986-01-16 | 1987-07-23 | Michio Matsuhashi | 大腸菌のペリプラズム蛋白質分泌変異株 |
AU589540B2 (en) * | 1986-08-14 | 1989-10-12 | Alby Klorat Ab | A process for the preparation of sulphide-free alkali liquor |
JPS63237790A (ja) * | 1987-03-27 | 1988-10-04 | Toyo Jozo Co Ltd | OmpAシグナルペプチドを用いたヒトス−パ−オキシドデイスムタ−ゼ及びグラム陰性細菌による細胞外分泌生産 |
-
1989
- 1989-11-23 SE SE8903953A patent/SE465039B/sv not_active IP Right Cessation
-
1990
- 1990-11-21 AR AR90318435A patent/AR243947A1/es active
- 1990-11-21 MX MX023395A patent/MX173408B/es unknown
- 1990-11-21 WO PCT/SE1990/000751 patent/WO1991008337A1/en active IP Right Grant
- 1990-11-21 CN CN90109309A patent/CN1030003C/zh not_active Expired - Fee Related
- 1990-11-21 AT AT90917424T patent/ATE112595T1/de not_active IP Right Cessation
- 1990-11-21 RU SU905052326A patent/RU2067637C1/ru active
- 1990-11-21 ES ES90917424T patent/ES2062569T3/es not_active Expired - Lifetime
- 1990-11-21 MY MYPI90002045A patent/MY104532A/en unknown
- 1990-11-21 CA CA002069107A patent/CA2069107C/en not_active Expired - Lifetime
- 1990-11-21 ZA ZA909337A patent/ZA909337B/xx unknown
- 1990-11-21 EP EP90917424A patent/EP0502052B1/en not_active Expired - Lifetime
- 1990-11-21 AU AU68836/91A patent/AU662882B2/en not_active Ceased
- 1990-11-21 JP JP3500321A patent/JP2815701B2/ja not_active Expired - Fee Related
- 1990-11-21 BR BR909007837A patent/BR9007837A/pt not_active IP Right Cessation
- 1990-11-21 DE DE69013159T patent/DE69013159T2/de not_active Expired - Fee Related
-
1992
- 1992-05-19 NO NO921962A patent/NO176109C/no unknown
- 1992-05-20 FI FI922288A patent/FI103902B/fi active
Also Published As
Publication number | Publication date |
---|---|
DE69013159D1 (de) | 1994-11-10 |
CN1030003C (zh) | 1995-10-11 |
SE8903953L (sv) | 1991-05-24 |
CA2069107A1 (en) | 1991-05-24 |
WO1991008337A1 (en) | 1991-06-13 |
RU2067637C1 (ru) | 1996-10-10 |
JPH05502274A (ja) | 1993-04-22 |
BR9007837A (pt) | 1992-08-25 |
AR243947A1 (es) | 1993-09-30 |
NO176109C (no) | 1995-02-01 |
EP0502052B1 (en) | 1994-10-05 |
FI103902B1 (fi) | 1999-10-15 |
JP2815701B2 (ja) | 1998-10-27 |
AU6883691A (en) | 1991-06-26 |
AU662882B2 (en) | 1995-09-21 |
ES2062569T3 (es) | 1994-12-16 |
FI103902B (fi) | 1999-10-15 |
MY104532A (en) | 1994-04-30 |
CN1051953A (zh) | 1991-06-05 |
ZA909337B (en) | 1991-09-25 |
NO921962D0 (no) | 1992-05-19 |
SE465039B (sv) | 1991-07-15 |
EP0502052A1 (en) | 1992-09-09 |
FI922288A0 (fi) | 1992-05-20 |
NO176109B (no) | 1994-10-24 |
ATE112595T1 (de) | 1994-10-15 |
CA2069107C (en) | 2002-04-09 |
SE8903953D0 (sv) | 1989-11-23 |
NO921962L (no) | 1992-05-20 |
FI922288A (fi) | 1992-05-20 |
DE69013159T2 (de) | 1995-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX173408B (es) | Un procedimiento para la preparacion de licores de cocimiento que tiene una alta sulfidez para el cocimiento de pulpa de sulfato | |
US7229525B2 (en) | Methods to enhance pulp bleaching and delignification | |
EP0465579A1 (en) | Improved method of producing pulp | |
DE2815922A1 (de) | Verfahren zur peroxidbleichung von hochausbeutezellstoff in einem turm | |
NO913639D0 (no) | Fremgangsmaate for fremstilling av kraftmasse. | |
SE8304973D0 (sv) | Forfarande for framstellning av kokvetska for kraftmassakokning | |
JPH0657671A (ja) | 製紙用パルプの漂白方法 | |
US4248663A (en) | Pulping with an alkaline liquor containing a cyclic keto compound and an amino compound | |
US4731161A (en) | Semibleaching liquor for Kraft paper products | |
US3567572A (en) | Polysulfide liquor impregnation of lignocellulose materials in a multistage pulping process | |
FI93746C (fi) | Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi | |
CA1096560A (en) | Process for the pulping of lignocellulosic material with alkali and quinones or hydroquinones | |
CA1115463A (en) | Method in producing magnesium sulphite pulp | |
CA1250704A (en) | Pulping process | |
US2047032A (en) | Process of correlating chemical recovery in pulp mills operating with different kinds of liquors | |
US1229422A (en) | Process of making fiber for paper, &c. | |
US1469960A (en) | Process of treating black liquor produced in the manufacture of sulphate pulp | |
SE468644B (sv) | Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit | |
US2564028A (en) | Wood pulp digestion | |
US5405496A (en) | Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking | |
US1572840A (en) | Production of pulp | |
WO1996041917A1 (en) | Peroxide bleaching of pulp | |
Area et al. | NSSC process optimization: II. Spent liquors | |
US2823121A (en) | Wood pulp preparation | |
Chou et al. | Studies on Magnesium-Base Semichemical Pulps (4) The Chemical Recovery from the Waste Liquors and their Reuse |