GB1336899A - Pollution controlled polysulphide recovery process - Google Patents

Pollution controlled polysulphide recovery process

Info

Publication number
GB1336899A
GB1336899A GB1999371*[A GB1999371A GB1336899A GB 1336899 A GB1336899 A GB 1336899A GB 1999371 A GB1999371 A GB 1999371A GB 1336899 A GB1336899 A GB 1336899A
Authority
GB
United Kingdom
Prior art keywords
liquor
tower
polysulphide
white
evaporated
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
GB1999371*[A
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB1336899A publication Critical patent/GB1336899A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • G01N15/0656Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/04Regeneration of pulp liquors or effluent waste waters of alkali lye
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/40Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00Chemistry of inorganic compounds
    • Y10S423/03Papermaking liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
GB1999371*[A 1970-06-11 1971-06-10 Pollution controlled polysulphide recovery process Expired GB1336899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4545570A 1970-06-11 1970-06-11

Publications (1)

Publication Number Publication Date
GB1336899A true GB1336899A (en) 1973-11-14

Family

ID=21937982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1999371*[A Expired GB1336899A (en) 1970-06-11 1971-06-10 Pollution controlled polysulphide recovery process

Country Status (9)

Country Link
US (1) US3650888A (enrdf_load_stackoverflow)
JP (1) JPS5013361B1 (enrdf_load_stackoverflow)
CA (1) CA941106A (enrdf_load_stackoverflow)
ES (1) ES392100A1 (enrdf_load_stackoverflow)
FR (1) FR2096202A5 (enrdf_load_stackoverflow)
GB (1) GB1336899A (enrdf_load_stackoverflow)
NO (1) NO133554C (enrdf_load_stackoverflow)
SE (1) SE391546B (enrdf_load_stackoverflow)
ZA (1) ZA713733B (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3884751A (en) * 1972-04-25 1975-05-20 Texaco Inc Coking of spent pulping liquors used in the alkaline sulfite process
SE434860B (sv) * 1976-11-15 1984-08-20 Mo Och Domsjoe Ab Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser
CH632340A5 (fr) 1979-11-16 1982-09-30 Charmilles Sa Ateliers Procede et dispositif pour controler la concentration de particules solides en suspension dans un liquide.
FI85515C (fi) * 1990-07-09 1996-04-10 Ahlstroem Oy Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet
US5246542A (en) * 1991-09-18 1993-09-21 Fosberg Theodore M Evaporation and recovery process for bleached chemical thermo-mechanical pulp (BCTMP) effluent
SE9400383L (sv) * 1994-02-07 1995-08-08 Kvaerner Pulping Tech Sätt att rena en sulfidhaltig alkalisk lut från klorid
SE9703365D0 (sv) * 1997-09-18 1997-09-18 Kvaerner Pulping Tech Method in connection with impregnation and digestion of lignocelulosic material
US5911853A (en) * 1997-09-11 1999-06-15 International Paper Company Method for treating paper mill condensate to reduce the amount of sulfur compounds therein
AU9195598A (en) * 1997-09-18 1999-04-05 Kvaerner Pulping Ab Polysulfide pulping process
FI119915B2 (fi) 2003-10-03 2011-06-15 Metsae Botnia Ab Oy Rikin poisto sellutehtaan hajukaasuista
FI122841B (fi) * 2004-10-04 2012-07-31 Metso Paper Inc Menetelmä ja laitteisto selluloosamassan valmistamiseksi

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574193A (en) * 1947-12-06 1951-11-06 Remington Rand Inc Chemical recovery and control in the kraft pulp process
US2999044A (en) * 1955-08-02 1961-09-05 Jr Theron Tilford Collins Production of paper pulp
SE218041C1 (sv) * 1962-12-17 1968-01-02 Mo Och Domsjoe Ab Sätt att med rökgas avdriva svavelväte från lösningar innehållande alkalisulfid
US3448002A (en) * 1964-06-20 1969-06-03 Domtar Ltd Pulping process
US3514371A (en) * 1966-03-01 1970-05-26 Katsuo Watanabe Preparation of kraft process liquor from waste soda liquor from petroleum industries

Also Published As

Publication number Publication date
SE391546B (sv) 1977-02-21
NO133554C (enrdf_load_stackoverflow) 1976-05-19
ES392100A1 (es) 1973-11-01
FR2096202A5 (enrdf_load_stackoverflow) 1972-02-11
ZA713733B (en) 1972-01-26
CA941106A (en) 1974-02-05
US3650888A (en) 1972-03-21
NO133554B (enrdf_load_stackoverflow) 1976-02-09
JPS5013361B1 (enrdf_load_stackoverflow) 1975-05-19

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees