Method for treating aqueous sludge, material so produced and...

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C034S356000, C106S697000, C106S724000, C106S795000, C210S727000, C210S734000, C210S747300, C405S128750, C588S255000

Reexamination Certificate

active

07553423

ABSTRACT:
The invention relates to a method for the accelerated dehydration of sludges in sludge disposal areas, especially of sludges from rivers and harbors, by the exclusive use of anionic polymer flocculants and the use of materials obtained according to the inventive method.

REFERENCES:
patent: 3544456 (1970-12-01), Shanfelt et al.
patent: 3975266 (1976-08-01), Baize
patent: 3977971 (1976-08-01), Quinn et al.
patent: 4347140 (1982-08-01), Condolios et al.
patent: 4911848 (1990-03-01), Cardini et al.
patent: 5355594 (1994-10-01), Hwang
patent: 5462672 (1995-10-01), Iji et al.
patent: 5902487 (1999-05-01), Pickering et al.
patent: 6221956 (2001-04-01), Chen
patent: 7264734 (2007-09-01), Kelly et al.
patent: 35 37 455 (1987-04-01), None
patent: 35 44 909 (1987-06-01), None
patent: 197 26 899 (1998-01-01), None
patent: 20304220 (2003-05-01), None
patent: 0 500 199 (1992-08-01), None
patent: 1 466 185 (1977-03-01), None
Rao, S. Ramachandra, “Flocculation and Dewatering of Alberta Oil Sands Tailings”, International Journal of Mineral Processing, vol. 7, No. 3, pp. 245-253, 1980.

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

Method for treating aqueous sludge, material so produced and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for treating aqueous sludge, material so produced and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for treating aqueous sludge, material so produced and... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4127504

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