ES8704569A1 - Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion - Google Patents

Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion

Info

Publication number
ES8704569A1
ES8704569A1 ES554937A ES554937A ES8704569A1 ES 8704569 A1 ES8704569 A1 ES 8704569A1 ES 554937 A ES554937 A ES 554937A ES 554937 A ES554937 A ES 554937A ES 8704569 A1 ES8704569 A1 ES 8704569A1
Authority
ES
Spain
Prior art keywords
recovery
cooking
sulphite
pulping
chemicals
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
Application number
ES554937A
Other languages
English (en)
Other versions
ES554937A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kraftanlagen AG
Original Assignee
Kraftanlagen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kraftanlagen AG filed Critical Kraftanlagen AG
Publication of ES554937A0 publication Critical patent/ES554937A0/es
Publication of ES8704569A1 publication Critical patent/ES8704569A1/es
Expired legal-status Critical Current

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1226—Particular type of activated sludge processes comprising an absorbent material suspended in the mixed liquor
    • 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
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • 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
    • D21C3/222—Use of compounds accelerating the pulping processes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Abstract

METODO DE DISGREGACION CON SULFITO. CONSISTE EN EL TRATAMIENTO DE DISGREGACION DE MATERIALES, QUE CONTIENEN LIGNOCELULOSA, CON UNA DISOLUCION ALCALINA DE SULFITO, SOLUBLE EN AGUA, QUE CONTIENE UN DISOLVENTE ORGANICO DE PUNTO DE EBULLICION BAJO, EN PRESENCIA DE UN CATALIZADOR REDOX APROPIADO, TAL COMO UN DERIVADO DE LA QUIMONA, A UNA TEMPERATURA COMPRENDIDA ENTRE 160JC Y 190JC; SEGUIDO DE LA RECUPERACION DE LOS PRODUCTOS QUIMICOS DE DISGREGACION. TIENE APLICACIONES PARA LA OBTENCION DE CELULOSA.
ES554937A 1985-05-18 1986-05-14 Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion Expired ES8704569A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853518005 DE3518005A1 (de) 1985-05-18 1985-05-18 Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien

Publications (2)

Publication Number Publication Date
ES554937A0 ES554937A0 (es) 1987-04-16
ES8704569A1 true ES8704569A1 (es) 1987-04-16

Family

ID=6271117

Family Applications (1)

Application Number Title Priority Date Filing Date
ES554937A Expired ES8704569A1 (es) 1985-05-18 1986-05-14 Procedimiento de disgregacion con sulfito para la preparacion de celulosa a partir de materiales que contienen lignocelulosa con recuperacion de los productos quimicos de disgregacion

Country Status (7)

Country Link
US (1) US4767500A (es)
EP (1) EP0205778B1 (es)
AT (1) ATE50812T1 (es)
CA (1) CA1283512C (es)
DE (2) DE3518005A1 (es)
ES (1) ES8704569A1 (es)
FI (1) FI83437C (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
AT401068B (de) * 1994-08-26 1996-06-25 Voest Alpine Ind Anlagen Sulfitaufschlussverfahren
DE10064131C2 (de) * 2000-12-22 2003-03-27 Sca Hygiene Prod Gmbh Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte
US20020129912A1 (en) * 2000-12-22 2002-09-19 Sca Hygiene Products Gmbh Fully bleached sulfite chemical pulp, a process for the production thereof and products derived therefrom
AU2002328308B2 (en) * 2001-06-29 2007-07-26 Voith Paper Fiber Systems Gmbh & Co. Kg Method for delignifying lignocellulosic raw materials
US6923887B2 (en) * 2003-02-21 2005-08-02 Alberta Research Council Inc. Method for hydrogen peroxide bleaching of pulp using an organic solvent in the bleaching medium
US20040200589A1 (en) * 2003-04-08 2004-10-14 Herring William J. Method of making pulp having high hemicellulose content
US20040200587A1 (en) * 2003-04-08 2004-10-14 Herring William J. Cellulose pulp having increased hemicellulose content
DE10323376A1 (de) * 2003-05-21 2004-12-16 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum Delignifizieren
US7442487B2 (en) * 2003-12-30 2008-10-28 Intel Corporation Low outgassing and non-crosslinking series of polymers for EUV negative tone photoresists
DE102007036380A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Verfahren und Anlage zur Aufbereitung der Ablauge eines Sulfitverfahrens
DE202011109586U1 (de) 2011-12-24 2012-01-30 Institut Für Solarenergieforschung Gmbh Sonnenkollektor mit nach oben angeordneter Glasscheibe, die Wärmestrahlung reduziert abgibt und die im direkten Kontakt zur Absober-Wärmeübertrager-Kombination steht
CN105017337B (zh) * 2015-06-24 2018-02-27 济南圣泉集团股份有限公司 染料分散剂及其制备方法
PT3147093T (pt) * 2015-09-24 2019-01-17 SWISS KRONO Tec AG Processo para a redução da emissão de compostos orgânicos voláteis de materiais derivados da madeira e materiais derivados da madeira
CN112390448A (zh) * 2020-09-01 2021-02-23 江西吉润花炮新材料科技有限公司 一种硝化竹纤维素碱煮废水的处理方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1145782A (fr) * 1956-02-18 1957-10-29 Saint Gobain Perfectionnements au procédé de fabrication des pâtes cellulosiques par cuisson
US3236589A (en) * 1961-02-03 1966-02-22 Reinhall Rolf Bertil Method of working up cellulose waste liquor containing sodium and sulfur
US3368935A (en) * 1964-10-12 1968-02-13 Sonoco Products Co Sulfite pulping process with urea
FR2052435A5 (es) * 1969-06-04 1971-04-09 Owens Illinois Inc
CA930905A (en) * 1969-11-12 1973-07-31 Texaco Development Corporation Sulfite waste disposal process
US3822180A (en) * 1969-12-27 1974-07-02 Agency Ind Science Techn Method for manufacturing sulfite pulp cooking liquor from sulfite pulp spent liquor
GB1346039A (en) * 1971-09-02 1974-02-06 Inst Zellstoff & Papier Process for working up sulphite waste liquors
US3826710A (en) * 1972-04-21 1974-07-30 Owens Illinois Inc Carbonation system for recovery of sodium base pulping liquor
DE2305546A1 (de) * 1972-05-17 1973-11-29 Texaco Development Corp Verfahren zur verkokung von ablaugen des alkalisulfit-verfahrens in fluessiger phase
ZA773044B (en) * 1976-06-02 1978-04-26 Australian Paper Manufacturers Improvements in pulping processes
US4134786A (en) * 1976-12-15 1979-01-16 Nasa Process for purification of waste water produced by a Kraft process pulp and paper mill
FR2459326A1 (fr) * 1979-06-14 1981-01-09 Nivelleau Bruniere Patrick M F Procede de traitement du bois pour l'obtention de pate cellulosique, papier ou carton, produits chimiques
DE3212767A1 (de) * 1982-04-06 1983-10-06 Nicolaus Md Verwaltungsges Verfahren und reaktor zum kontinuierlichen aufschliessen von pflanzenfasermaterial

Also Published As

Publication number Publication date
FI83437C (fi) 1991-07-10
FI861967A0 (fi) 1986-05-12
EP0205778B1 (de) 1990-03-07
ATE50812T1 (de) 1990-03-15
DE3518005A1 (de) 1986-11-20
ES554937A0 (es) 1987-04-16
CA1283512C (en) 1991-04-30
EP0205778A1 (de) 1986-12-30
FI83437B (fi) 1991-03-28
US4767500A (en) 1988-08-30
DE3669334D1 (de) 1990-04-12
FI861967A (fi) 1986-11-19

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170627