Scheiner, 1996 - Google Patents
Screen dewatering of coal-clay waste from preparation plantsScheiner, 1996
- Document ID
- 15601460580005664080
- Author
- Scheiner B
- Publication year
- Publication venue
- Coal Preparation
External Links
Snippet
The Bureau of Mines, Tuscaloosa Research Center has developed a flocculation-screening technique to dewater coal-clay waste. The technique involved flocculation of the waste stream with a flocculant, polyethylene oxide, and dewatering of the resulting floes on a static …
- 239000002699 waste material 0 title abstract description 51
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying, or thickening
- C02F11/121—Processes for mechanical dehydration of sludge, e.g. by filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
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