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CH425743A - Process for extracting alkalis from alkali-rich dust resulting from the burning of cement clinker - Google Patents

Process for extracting alkalis from alkali-rich dust resulting from the burning of cement clinker

Info

Publication number
CH425743A
CH425743A CH1224761A CH1224761A CH425743A CH 425743 A CH425743 A CH 425743A CH 1224761 A CH1224761 A CH 1224761A CH 1224761 A CH1224761 A CH 1224761A CH 425743 A CH425743 A CH 425743A
Authority
CH
Switzerland
Prior art keywords
alkalis
burning
alkali
extracting
cement clinker
Prior art date
Application number
CH1224761A
Other languages
German (de)
Inventor
Bade Erich Ing Dr
Original Assignee
Polysius Gmbh
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 Polysius Gmbh filed Critical Polysius Gmbh
Publication of CH425743A publication Critical patent/CH425743A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • 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
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/36—Manufacture of hydraulic cements in general
    • C04B7/60—Methods for eliminating alkali metals or compounds thereof, e.g. from the raw materials or during the burning process; methods for eliminating other harmful components
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Structural Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
CH1224761A 1960-11-18 1961-10-24 Process for extracting alkalis from alkali-rich dust resulting from the burning of cement clinker CH425743A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0042183 1960-11-18

Publications (1)

Publication Number Publication Date
CH425743A true CH425743A (en) 1966-12-15

Family

ID=7222666

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1224761A CH425743A (en) 1960-11-18 1961-10-24 Process for extracting alkalis from alkali-rich dust resulting from the burning of cement clinker

Country Status (5)

Country Link
AT (1) AT231886B (en)
CH (1) CH425743A (en)
DK (1) DK105012C (en)
GB (1) GB1000984A (en)
NL (1) NL121390C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2601884A1 (en) * 1986-07-25 1988-01-29 Dragon Co METHOD AND SYSTEM FOR WASHING A GAS STREAM USES
US5100633A (en) * 1985-11-07 1992-03-31 Passamaquoddy Technology Limited Partnership Method for scrubbing pollutants from an exhaust gas stream

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100633A (en) * 1985-11-07 1992-03-31 Passamaquoddy Technology Limited Partnership Method for scrubbing pollutants from an exhaust gas stream
FR2601884A1 (en) * 1986-07-25 1988-01-29 Dragon Co METHOD AND SYSTEM FOR WASHING A GAS STREAM USES
BE1001656A3 (en) * 1986-07-25 1990-01-23 Passamaquoddy Tribe Method and system for washing of a gas stream uses.

Also Published As

Publication number Publication date
DK105012C (en) 1966-08-01
AT231886B (en) 1964-02-25
NL121390C (en) 1966-10-17
NL271500A (en) 1964-07-27
GB1000984A (en) 1965-08-11

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