EP0055489A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A process for the flocculation of mineral containing slurries
Assignee: Union Carbide Corp
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Filing: 1981-12-29
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Granted: —
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Expires: 2001-12-29
Abstract
Abstract Described herein is a process for flocculating an aqueous slurry containing minerals which comprises the sequential addition of a synergistic amount of an anionic polymer followed by a cationic polymer and thereafter allowing said minerals to settle from said slurry to provide a clear aqueous supernatant.
Inventors
- 👤 David Bernard Braun
- 👤 You-Ling Fan
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-05 18:26
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/54; B; B03; B03D; B03D3/00; B03D3/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
43 words
A process for flocculating an aqueous slurry containing minerals which comprises the sequential addition of a synergistic amount of an anionic polymer followed by a cationic polymer and thereafter allowing said minerals to settle from said slurry to provide a clear aqueous supernatant.
Claim 2
Dependent Claim
43 words
A process for flocculating an aqueous slurry containing minerals which comprises the sequential addition of a synergistic amount of an anionic polymer followed by a cationic polymer and thereafter allowing said minerals to settle from said slurry to provide a clear aqueous supernatant.
Claim 3
Dependent Claim
16 words
A process as defined in claim 1 wherein the aqueous slurry containing minerals comprises taconite tailings.
References Cited (Backward Citations)
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