GB114204A - An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials. - Google Patents

An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials.

Info

Publication number
GB114204A
GB114204A GB432117A GB432117A GB114204A GB 114204 A GB114204 A GB 114204A GB 432117 A GB432117 A GB 432117A GB 432117 A GB432117 A GB 432117A GB 114204 A GB114204 A GB 114204A
Authority
GB
United Kingdom
Prior art keywords
nitride
metallic particles
slags
screenings
aluminium skimmings
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
GB432117A
Inventor
Hubert Alexander Gill
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB432117A priority Critical patent/GB114204A/en
Publication of GB114204A publication Critical patent/GB114204A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
    • C01B21/0722—Preparation by direct nitridation of aluminium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

114,204. Gill, H. A., [Jobbins, Inc., W. F.). March 26, 1917. Ammonia; aluminium nitride. - Aluminium skimmings, dross, slag, &c., after first separating the larger metallic particles, are mixed with a reducing agent such as tar, asphalt, petroleum, resin oil or like hydrocarbon material and heated with exclusion of nitrogen to a nitride-forming temperature (1200‹ C.) after which a nitrogenous gas such as air is admitted when nitrogen is absorbed to some extent and the temperature rises. On cooling, the smaller metallic particles will be found to have fused together so that they can be removed. After removing these metallic particles and magnetic iron oxide if desired the material is treated with boiling water preferably in presence of lime or other alkaline agent to liberate ammonia from the nitride, and the aluminous material may be then treated for recovering aluminium sulphate and copper compounds.
GB432117A 1917-03-26 1917-03-26 An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials. Expired GB114204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB432117A GB114204A (en) 1917-03-26 1917-03-26 An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB432117A GB114204A (en) 1917-03-26 1917-03-26 An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials.

Publications (1)

Publication Number Publication Date
GB114204A true GB114204A (en) 1918-03-26

Family

ID=32244883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB432117A Expired GB114204A (en) 1917-03-26 1917-03-26 An Improved Method of Utilizing Aluminium Skimmings, Screenings, Slags and analogous Materials.

Country Status (1)

Country Link
GB (1) GB114204A (en)

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