ZA956507B - High efficiency vessels for bleaching lignocellulosic cellulosic and synthetic polymeric fibrous materials - Google Patents
High efficiency vessels for bleaching lignocellulosic cellulosic and synthetic polymeric fibrous materialsInfo
- Publication number
- ZA956507B ZA956507B ZA956507A ZA956507A ZA956507B ZA 956507 B ZA956507 B ZA 956507B ZA 956507 A ZA956507 A ZA 956507A ZA 956507 A ZA956507 A ZA 956507A ZA 956507 B ZA956507 B ZA 956507B
- Authority
- ZA
- South Africa
- Prior art keywords
- vessels
- high efficiency
- fibrous materials
- synthetic polymeric
- polymeric fibrous
- Prior art date
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/089—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using two or more expansion chambers in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2230/00—Combination of silencers and other devices
- F01N2230/06—Spark arresters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2270/00—Mixing air with exhaust gases
- F01N2270/02—Mixing air with exhaust gases for cooling exhaust gases or the apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2270/00—Mixing air with exhaust gases
- F01N2270/08—Mixing air with exhaust gases for evacuation of exhaust gases, e.g. in tail-pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/06—Tubes being formed by assembly of stamped or otherwise deformed sheet-metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2470/00—Structure or shape of gas passages, pipes or tubes
- F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2490/00—Structure, disposition or shape of gas-chambers
- F01N2490/08—Two or more expansion chambers in series separated by apertured walls only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/06—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for extinguishing sparks
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Exhaust Gas After Treatment (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27353994A | 1994-07-11 | 1994-07-11 | |
US40234295A | 1995-03-10 | 1995-03-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA956507B true ZA956507B (en) | 1996-05-29 |
Family
ID=26956276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA956507A ZA956507B (en) | 1994-07-11 | 1995-08-03 | High efficiency vessels for bleaching lignocellulosic cellulosic and synthetic polymeric fibrous materials |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0797702A1 (xx) |
JP (1) | JP2926518B2 (xx) |
AR (2) | AR000152A1 (xx) |
BR (1) | BR9508387A (xx) |
CA (1) | CA2194882A1 (xx) |
FI (1) | FI970105A (xx) |
RU (1) | RU2152467C1 (xx) |
WO (1) | WO1996001921A1 (xx) |
ZA (1) | ZA956507B (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2910027B1 (fr) * | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature |
CL2009000939A1 (es) | 2008-04-30 | 2010-10-01 | Evonik Degussa Gmbh | Proceso para recuperar molibdato o tungstato desde una solucion acuosa que comprende a) contactar la solucion con un material portador inorganico cationizado e insoluble en agua, b) separar el material portador de molibdato o tungstato, c) contactarlo con una solucion acuosa con un ph entre 6 a 14 y d) separar el material saturado. |
DE102010001001A1 (de) * | 2010-01-19 | 2011-07-21 | Evonik Degussa GmbH, 45128 | Verfahren zur Delignifizierung und Bleiche von Zellstoff |
ES2724323T3 (es) | 2013-11-06 | 2019-09-10 | Evonik Degussa Gmbh | Procedimiento para la deslignificación y el blanqueo de pasta de celulosa |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1006056A3 (fr) * | 1992-07-06 | 1994-05-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
SE500616C2 (sv) * | 1993-06-08 | 1994-07-25 | Kvaerner Pulping Tech | Blekning av kemisk massa med peroxid vid övertryck |
-
1995
- 1995-06-29 JP JP8504330A patent/JP2926518B2/ja not_active Expired - Lifetime
- 1995-06-29 RU RU97101655/12A patent/RU2152467C1/ru active
- 1995-06-29 WO PCT/US1995/008141 patent/WO1996001921A1/en not_active Application Discontinuation
- 1995-06-29 BR BR9508387A patent/BR9508387A/pt not_active Application Discontinuation
- 1995-06-29 EP EP95925351A patent/EP0797702A1/en not_active Withdrawn
- 1995-06-29 CA CA002194882A patent/CA2194882A1/en not_active Abandoned
- 1995-08-03 ZA ZA956507A patent/ZA956507B/xx unknown
- 1995-11-17 AR AR33563795A patent/AR000152A1/es unknown
-
1996
- 1996-03-05 AR AR33563796A patent/AR001152A1/es unknown
-
1997
- 1997-01-10 FI FI970105A patent/FI970105A/fi unknown
Also Published As
Publication number | Publication date |
---|---|
EP0797702A1 (en) | 1997-10-01 |
AR001152A1 (es) | 1997-09-24 |
FI970105A (fi) | 1997-03-07 |
WO1996001921A1 (en) | 1996-01-25 |
JP2926518B2 (ja) | 1999-07-28 |
AR000152A1 (es) | 1997-05-21 |
CA2194882A1 (en) | 1996-01-25 |
RU2152467C1 (ru) | 2000-07-10 |
BR9508387A (pt) | 1997-11-25 |
FI970105A0 (fi) | 1997-01-10 |
JPH09508946A (ja) | 1997-09-09 |
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