BE852972A - Procede de traitement d'un melange de carbonate et de sulfure alcalins - Google Patents

Procede de traitement d'un melange de carbonate et de sulfure alcalins

Info

Publication number
BE852972A
BE852972A BE176190A BE176190A BE852972A BE 852972 A BE852972 A BE 852972A BE 176190 A BE176190 A BE 176190A BE 176190 A BE176190 A BE 176190A BE 852972 A BE852972 A BE 852972A
Authority
BE
Belgium
Prior art keywords
carbonate
treating
mixture
alkaline sulphide
sulphide
Prior art date
Application number
BE176190A
Other languages
English (en)
French (fr)
Original Assignee
Rockwell International 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
Application filed by Rockwell International Corp filed Critical Rockwell International Corp
Publication of BE852972A publication Critical patent/BE852972A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/06—Preparation of sulfur; Purification from non-gaseous sulfides or materials containing such sulfides, e.g. ores
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
BE176190A 1976-04-02 1977-03-29 Procede de traitement d'un melange de carbonate et de sulfure alcalins BE852972A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/673,226 US4083930A (en) 1976-04-02 1976-04-02 Method of treating alkali metal sulfide and carbonate mixtures

Publications (1)

Publication Number Publication Date
BE852972A true BE852972A (fr) 1977-07-18

Family

ID=24701776

Family Applications (1)

Application Number Title Priority Date Filing Date
BE176190A BE852972A (fr) 1976-04-02 1977-03-29 Procede de traitement d'un melange de carbonate et de sulfure alcalins

Country Status (8)

Country Link
US (1) US4083930A (xx)
JP (1) JPS6047201B2 (xx)
BE (1) BE852972A (xx)
CA (1) CA1078581A (xx)
DE (1) DE2714907A1 (xx)
ES (1) ES457494A1 (xx)
FR (1) FR2346290A1 (xx)
GB (1) GB1577201A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1108356A (en) * 1976-09-15 1981-09-08 Robert D. Rennick Method of treating an alkali metal sulfide liquor
FI54946C (fi) * 1977-09-05 1979-04-10 Tampella Oy Ab Saett och anordning foer aotervinning av natriumkemikalier fraon groenlut samt roekgaser
US4241041A (en) * 1979-01-22 1980-12-23 Mei Systems Inc. Methods for the recovery of sulfur components from flue gas and recycle sodium sulfite by reduction-smelting and carbonating to strip hydrogen sulfide
EP1690827A1 (en) * 2005-02-11 2006-08-16 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk Onderzoek TNO Process and apparatus for the recovery of hydrogen sulphides
US20080141591A1 (en) * 2006-12-19 2008-06-19 Simulent Inc. Gasification of sulfur-containing carbonaceous fuels

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2675297A (en) * 1954-04-13 Solution phase process of convert
US2496550A (en) * 1950-02-07 Methods of recovering chemicals in
DE897647C (de) * 1950-06-07 1953-11-23 Rayonier Inc Verfahren zur Rueckgewinnung der Chemikalien aus Zellstoffablaugen
US2656245A (en) * 1950-07-15 1953-10-20 Rayonier Inc Preparation of sodium salts of carbonic acid by ion exchange
US2841561A (en) * 1954-03-12 1958-07-01 Rayonier Inc Recovery of chemicals from smelt solutions
US2864669A (en) * 1954-11-01 1958-12-16 Stora Kopparbergs Bergslags Ab Method for recovering sulfur and alkali from waste liquors
DE1061613B (de) * 1955-07-14 1959-07-16 Stora Kopparbergs Bergslags Ab Verfahren zum Regenerieren von Alkalisulfit- oder Alkalibisulfitzellstoffablaugen
US3331732A (en) * 1962-12-17 1967-07-18 Mo Och Domsjoe Ab Method of removing hydrogen sulfide from an aqueous solution of alkali sulfide
US3210235A (en) * 1963-04-08 1965-10-05 Scott Paper Co Pulping of cellulose materials in the presence of free sulfur in a kraft pulping system and cyclic liquor recovery therefor
DE1692877C3 (de) * 1965-11-24 1975-10-02 Oy Tampella Ab, Tampere (Finnland) Verfahren und Vorrichtung zum Aufarbeiten von wässrigen Sulfidlösungen, insbesondere von bei der alkalischen Sulfatcellulose-Gewinnung anfallenden natriumsulfidhaltigen Grünlaugen
FR1528174A (fr) * 1966-05-25 1968-06-07 Tampella Oy Ab Obtention de carbonate de sodium à partir des lessives de traitement de la cellulose
DE1692878C3 (de) * 1966-05-25 1974-04-04 Oy Tampella Ab, Heinola (Finnland) Verfahren/um Auskristallisieren von Alkali als Karbonat aus der bei der Zellstoffablaugen-Aufarbeitung anfallenden Schmelz lösung
DE1934308A1 (de) * 1969-07-07 1971-02-11 Kloeckner Humboldt Deutz Ag Verfahren zur Verwertung von Sodaschlacke
US3826710A (en) * 1972-04-21 1974-07-30 Owens Illinois Inc Carbonation system for recovery of sodium base pulping liquor

Also Published As

Publication number Publication date
JPS6047201B2 (ja) 1985-10-21
GB1577201A (en) 1980-10-22
US4083930A (en) 1978-04-11
CA1078581A (en) 1980-06-03
ES457494A1 (es) 1978-08-16
FR2346290B1 (xx) 1982-12-10
JPS52125496A (en) 1977-10-21
FR2346290A1 (fr) 1977-10-28
DE2714907A1 (de) 1977-10-20

Similar Documents

Publication Publication Date Title
BE872960A (fr) Procede de production d'un carbonate d'alkylene
BE858574A (fr) Procede de production d'uree et d'epuration d'eau
GB1547544A (en) Process for treating a waste gas containing sulphur oxides
BE860234A (fr) Procede d'oxydation du soufre et des composes du soufre
BE862178A (fr) Procede et catalyseur d'elimination des thiols et des mercaptides de solutions alcalines aqueuses
FR2392707B1 (fr) Procede de purification et de separation d'un melange de gaz en ses constituants
FR2322001A1 (fr) Procede de fabrication de feuilles a partir d'un melange de fibres vegetales et de polyolefine
FR2343027A1 (fr) Composition d'elastomere de silicone contenant du soufre et procede de production d'un elastomere de silicone
FR2335057A1 (fr) Procede de construction d'un module thermo-electrique et module ainsi obtenu
FR2352577A1 (fr) Procede d'elimination du dioxyde de soufre de gaz residuaires
FR2345816A1 (fr) Procede et composition destines a former un film contenant du sulfure de cadmium
RO63936A (fr) Procede et installation de patentage combine avec un processus d'etirage
BE859324A (fr) Procede de fractionnement d'un melange gazeux
FR2336971A1 (fr) Procede de formation de monocristaux d'halogenures alcalins
FR2346290A1 (fr) Procede de traitement d'un melange de carbonate et de sulfure alcalins
BE858293A (fr) Machine de production de copies et son procede d'utilisation
PT67223B (en) Method of treating fibrous materials
GB2027706B (en) Removal of oxazole from acrylonitrile by formation of oxazole sulphate
BE856307A (fr) Procede pour l'elimination de l'energie thermique d'un melange aqueux de sulfate de sodium
FR2511015B1 (fr) Procede de production d'un melange d'un polymere butadiene-acrylonitrile et de peroxyde de zinc
BE861476A (fr) Procede d'oxydation du soufre et des composes du soufre
BE855111A (fr) Procede d'elimination du dioxyde de soufre de gaz residuaires
BE856306A (fr) Procede pour eliminer l'energie thermique d'un melange aqueux de sulfate de sodium
JPS55112392A (en) Treating of waste liquor
JPS52150783A (en) Method of treating waste matters containing hexahydric chromium compounds

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ROCKWELL INTERNATIONAL CORP.

Effective date: 19860331