FLOCCULENT ADDITION AND MIXING RATE FOR SEPARATING A SLURRY
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 4, 2013
app pub date -
Jul 7, 2011
filing date -
Jul 9, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
The invention concerns a method for separating solid and liquor components of a process slurry comprising solid material entrained in a liquor, said method comprising: (a) a pre-treatment step of adding a flocculent to the process slurry and mixing the flocculent and the slurry by selecting a higher extent of mixing in an early stage of said step than in a later stage of said step, and (b) a solid/liquor separation step of allowing separation of solid material, including aggregates of solid material, and liquor of said process slurry to produce process outputs of a clarified liquor and solid material with some entrained liquor. The invention also concernes a method and an apparatus for adding a flocculent to a process slurry.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
RIO TINTO ALCAN INTERNATIONAL LIMITED | 1188 SHERBROOKE WEST MONTREAL H3A 3G2 |
International Classification(s)

- 2011 Application Filing Year
- B01D Class
- 3215 Applications Filed
- 2644 Patents Issued To-Date
- 82.24 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bouchard, Nicolas-Alexandre | Jonquiere, CA | 1 | 3 |
# of filed Patents : 1 Total Citations : 3 | |||
Dufour, Renald | Jonquiere, CA | 4 | 40 |
# of filed Patents : 4 Total Citations : 40 | |||
Peloquin, Guy | Jonquiere, CA | 9 | 59 |
# of filed Patents : 9 Total Citations : 59 |
Cited Art Landscape
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Patent Citation Ranking
- 3 Citation Count
- B01D Class
- 7.73 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 4, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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