froth layer Particles that are retained in the froth are recovered at the lip of the froth weir at the edge of the flotation cell The recovery of the froth is accomplished by the natural mobility of the froth which causes it to flow over the weir and the recovery is sometimes assisted by mechanical paddl
Froth Flotation Flow Chart Flowchart Examples Coal Beneficiation Process , Because they cannot be formalised in detail, process simulation is rarely possible Decisions are highly subjective and too complex to be expressed in a formal language, as they are taken based on intuition and not on rigid business rul .
The froth flotation process was patented by E LSulman, H F K Pickard, and John Ballot in 1906, 19 years after the first cyanide process patents of MacArthur and the Forests It was the result of the intelligent recognition of a remarkable phenomenon which occurred while they were experimenting with the Cattermole process
Froth flotation is considered to be the most widely used method for ore beneficiation In ore beneficiation, flotation is a process in which valuable minerals are separated from worthless material or other valuable minerals by inducing them to gather in and on the surface of a froth layer
Process definitions are high level descriptions instead of rigid workflows : Processes can only be defined up to a certain level of detail, and it is difficult to provide low level work instructions or to automate decisions Because they cannot be formalised in detail, process simulation is rarely possible
These collect in a froth heavily laden with sulphide particl The gangue particles are not brought up by the bubbles, but remain in the mass of the pulp This is the so-called froth flotation Its variations, acid-froth, agitation- froth, and pneumatic-froth processes are discussed in detail later
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