GB1396649A - Coking of waste kraft pulping liquors at lowered ph - Google Patents

Coking of waste kraft pulping liquors at lowered ph

Info

Publication number
GB1396649A
GB1396649A GB2350673A GB2350673A GB1396649A GB 1396649 A GB1396649 A GB 1396649A GB 2350673 A GB2350673 A GB 2350673A GB 2350673 A GB2350673 A GB 2350673A GB 1396649 A GB1396649 A GB 1396649A
Authority
GB
United Kingdom
Prior art keywords
liquor
effluent
absorber
separator
heater
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
GB2350673A
Other languages
English (en)
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
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
Priority to DE19732322436 priority Critical patent/DE2322436A1/de
Priority to JP5373673A priority patent/JPS50104A/ja
Application filed by Texaco Development Corp filed Critical Texaco Development Corp
Priority to GB2350673A priority patent/GB1396649A/en
Priority to NL7307519A priority patent/NL7307519A/xx
Priority to FR7321836A priority patent/FR2233439B1/fr
Priority to BE132365A priority patent/BE801022A/xx
Publication of GB1396649A publication Critical patent/GB1396649A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
GB2350673A 1973-05-17 1973-05-17 Coking of waste kraft pulping liquors at lowered ph Expired GB1396649A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE19732322436 DE2322436A1 (de) 1973-05-17 1973-05-04 Verfahren zur behandlung alkalischer kraft-kochablaugen
JP5373673A JPS50104A (enExample) 1973-05-17 1973-05-16
GB2350673A GB1396649A (en) 1973-05-17 1973-05-17 Coking of waste kraft pulping liquors at lowered ph
NL7307519A NL7307519A (enExample) 1973-05-17 1973-05-30
FR7321836A FR2233439B1 (enExample) 1973-05-17 1973-06-15
BE132365A BE801022A (fr) 1973-05-17 1973-06-15 Procede de traitement d'un liqueur de fabrication de pate a papier au sulfate alcaline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2350673A GB1396649A (en) 1973-05-17 1973-05-17 Coking of waste kraft pulping liquors at lowered ph

Publications (1)

Publication Number Publication Date
GB1396649A true GB1396649A (en) 1975-06-04

Family

ID=10196724

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2350673A Expired GB1396649A (en) 1973-05-17 1973-05-17 Coking of waste kraft pulping liquors at lowered ph

Country Status (6)

Country Link
JP (1) JPS50104A (enExample)
BE (1) BE801022A (enExample)
DE (1) DE2322436A1 (enExample)
FR (1) FR2233439B1 (enExample)
GB (1) GB1396649A (enExample)
NL (1) NL7307519A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426768A1 (fr) * 1978-05-22 1979-12-21 St Regis Paper Co Procede perfectionne de pyrolyse de lessives usagees provenant de la fabrication de pates a papier
FR2657629B1 (fr) * 1990-02-01 1992-05-15 Electricite De France Dispositif de rechauffage en continu des solutions aqueuses utilisees dans les installations de fabrication des pates a papier.
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

Also Published As

Publication number Publication date
DE2322436A1 (de) 1974-11-21
BE801022A (fr) 1973-12-17
NL7307519A (enExample) 1974-12-03
JPS50104A (enExample) 1975-01-06
FR2233439B1 (enExample) 1977-02-11
FR2233439A1 (enExample) 1975-01-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee