GB721073A - Improvements in or relating to a water-quenched slag and a cement formed therefrom - Google Patents

Improvements in or relating to a water-quenched slag and a cement formed therefrom

Info

Publication number
GB721073A
GB721073A GB28924/52A GB2892452A GB721073A GB 721073 A GB721073 A GB 721073A GB 28924/52 A GB28924/52 A GB 28924/52A GB 2892452 A GB2892452 A GB 2892452A GB 721073 A GB721073 A GB 721073A
Authority
GB
United Kingdom
Prior art keywords
slag
water
relating
alumina
added
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
GB28924/52A
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.)
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
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 Asahi Chemical Industry Co Ltd filed Critical Asahi Chemical Industry Co Ltd
Publication of GB721073A publication Critical patent/GB721073A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B7/24—Cements from oil shales, residues or waste other than slag
    • C04B7/28—Cements from oil shales, residues or waste other than slag from combustion residues, e.g. ashes or slags from waste incineration
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Manufacture Of Iron (AREA)

Abstract

A water-quenched slag having a CaO content of 40-55 per cent and containing substantially all its iron content as Fe2O3 is produced by adding a lime material to coal ash from a coal ash fusing furnace. The lime may be added in several stages to the molten slag and is preferably preheated. If the alumina content of the coal is low, alumina, or a clay containing alumina, is added together with the lime material. Portland cement is added to the finely milled slag to give a slag cement.
GB28924/52A 1951-12-06 1952-11-17 Improvements in or relating to a water-quenched slag and a cement formed therefrom Expired GB721073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP721073X 1951-12-06

Publications (1)

Publication Number Publication Date
GB721073A true GB721073A (en) 1954-12-29

Family

ID=13479825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28924/52A Expired GB721073A (en) 1951-12-06 1952-11-17 Improvements in or relating to a water-quenched slag and a cement formed therefrom

Country Status (1)

Country Link
GB (1) GB721073A (en)

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