Solid-liquid slurries

Lorentzen, G. B., Westvik, A., and Myrstad, T. 1996. Solid/liquid slurry treatment apparatus and catalytic multi-phase reactor. U.S. Patent 5520890. 

Ws Weight of solid in a solid-liquid slurry, Ibm X Vortex depth from static liquid level to the bottom of the... 

In a fluidized bed combustor the bed is made up primarily of inert material which may be ash, absorbent, or some other inert material such as sand. The technology s fuel flexibility arises from the fact that the fuel is present in the combustor at a low level and are burnt surrounded by these inerts [2[. The solid fuel normally represent between 0.5 and 5% of the total bed material. In general, almost any solid, liquid, slurry or gas containing carbon, hydrogen and sulfur can be used as fuels for energy production. 

The measure of wear depends on the state of the medium as solid, liquid, slurry, dust, fumes or gases the type of motion and its velocity and the load. 

Electromagnetic flowmeters can be applied only to solid/liquid slurries that contain electrical conducting liquids. A common problem of EM flowmeters is their temperature dependence for magnet stability. Thermal flowmeters, which measure the heating power that is required to maintain a constant temperature difference between two points along the stream, have not been successful in multiphase streams because varying composition changes the thermal conductivity of the flow rate. 

Liquid- 4use mass transfer Although many studies have been made of mass-transfer rates in the liquid for solid-liquid slurries, the results are frequently conflicting and difficult to interpret. We do know that once the soUds are fully suspended, further expenditure of agitator power does not produce commensurate improvement in the mass-transfer rates [51]. For small particles, the mass-transfer coeffldent becomes smaller with increased Article size [3, whereas for large partides there is no effect of particle size [5j. The transition size is about 2 mm [87]. At least for moderate... 

Agitoted-pon dryers. These may operote otmotpher/coily or under vocuum, ond con handle smell production of neoriy ony form of wet solid, i.e., liquids, slurries, pastes, or gronuior solids... 

Liquids Slurries Pastes and sludges Free-flowing powders Granular, crystalbne, or fibrous solids Large sobds, special forms and shapes Continuous sheets Discontinuous sheets... 

The control of processes involving the treatment of solids generally requires means for careful samphng and analysis of solids and slurries at various points in an operation. Unlike liquids, particulate solids are not homogeneous. The composition of individual particles will vaiy with particle size and particle density. It follows that care must be... 

Conventionally, wastes are eonsidered as being predominantly either solid, liquid or gaseous but as illustrated in Table 16.3, they may be multi-phase. Solid waste eompiises liquid slurries, sludges, thixotropie solids and solids of varying partiele sizes it may be heterogeneous. Typieal examples are given in Table 16.4. 

Applicability/Limitations The system is capable of treating solids, sludges, slurries and liquids. The high degree of turbulence and mixing ensures treatment of a wide variety of wastes. The waste... 

Mass of solids in slurry feed/(Mass of particulate solids + clear liquid in feed)] = [Mass of particulate solids in cake/(Mass of particulate solids in cake + Mass of clear liquor in cake + Mass of liquor in clear filtrate)] i.e. 

Mydlarz, I. and Jones, A.G., 1989. Crystallization and subsequent solid-liquid separation of potassium sulphate. Part II Slurry filtrability. Chemical Engineering Research and Design, 67, 294-300. 

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