Processes for treating aluminium dross residues

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C423S122000, C423S132000, C423S495000, C423S626000, C423S629000

Reexamination Certificate

active

07906097

ABSTRACT:
There is provided a process for preparing aluminium chloride comprising leaching aluminium dross residues with H2SO4so as to obtain a leachate; and hydrochlorinating the leachate so as to obtain aluminium chloride. If desired, aluminium chloride can then be converted into alumina.

REFERENCES:
patent: 0752927 (1904-02-01), Schwahn
patent: 1519880 (1924-12-01), Specketer et al.
patent: 1646732 (1927-10-01), Lea et al.
patent: 1752599 (1930-04-01), Kjellgren
patent: 1868499 (1932-07-01), Guertler
patent: 2217099 (1940-10-01), Burman
patent: 2413709 (1947-01-01), Hoffman
patent: 3169827 (1965-02-01), de Rosset et al.
patent: 3620671 (1971-11-01), Pierre Maurel et al.
patent: 4039726 (1977-08-01), Carr et al.
patent: 4224287 (1980-09-01), Ziegenbalg et al.
patent: 4252777 (1981-02-01), McDowell et al.
patent: 4320098 (1982-03-01), Huckabay et al.
patent: 4348366 (1982-09-01), Brown et al.
patent: 4428912 (1984-01-01), Reynolds et al.
patent: 4959100 (1990-09-01), Dubéet al.
patent: 4960460 (1990-10-01), Dubéet al.
patent: 5102453 (1992-04-01), Yerushalmi
patent: 5407459 (1995-04-01), Breault et al.
patent: 5585080 (1996-12-01), Andersen et al.
patent: 5613996 (1997-03-01), Lindsay
patent: 5716426 (1998-02-01), Beelen et al.
patent: 6110434 (2000-08-01), Pickens et al.
patent: 2004/0259718 (2004-12-01), Feige et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Processes for treating aluminium dross residues does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Processes for treating aluminium dross residues, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes for treating aluminium dross residues will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2649115

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.