AT231886B - Process for reducing the alkali content in cement clinker and device for carrying out the process - Google Patents

Process for reducing the alkali content in cement clinker and device for carrying out the process

Info

Publication number
AT231886B
AT231886B AT768661A AT768661A AT231886B AT 231886 B AT231886 B AT 231886B AT 768661 A AT768661 A AT 768661A AT 768661 A AT768661 A AT 768661A AT 231886 B AT231886 B AT 231886B
Authority
AT
Austria
Prior art keywords
reducing
carrying
cement clinker
alkali content
alkali
Prior art date
Application number
AT768661A
Other languages
German (de)
Inventor
Erich Dr Ing Bade
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
Application granted granted Critical
Publication of AT231886B publication Critical patent/AT231886B/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)
  • Inorganic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Toxicology (AREA)
  • Structural Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
AT768661A 1960-03-21 1961-10-12 Process for reducing the alkali content in cement clinker and device for carrying out the process AT231886B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE225600X 1960-03-21
DEK0042183 1960-11-18

Publications (1)

Publication Number Publication Date
AT231886B true AT231886B (en) 1964-02-25

Family

ID=7222666

Family Applications (1)

Application Number Title Priority Date Filing Date
AT768661A AT231886B (en) 1960-03-21 1961-10-12 Process for reducing the alkali content in cement clinker and device for carrying out the process

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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4708855A (en) * 1985-11-07 1987-11-24 Passanaquoddy Tribe Method and system for exhaust gas stream scrubbing
US5100633A (en) * 1985-11-07 1992-03-31 Passamaquoddy Technology Limited Partnership Method for scrubbing pollutants from an exhaust gas stream

Also Published As

Publication number Publication date
NL271500A (en) 1964-07-27
DK105012C (en) 1966-08-01
GB1000984A (en) 1965-08-11
CH425743A (en) 1966-12-15
NL121390C (en) 1966-10-17

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