The sulfur content of this product was 1.08%, so chemical methods such as floatation had to be used to reduce the sulfur content.
Use of floatation on magnetic separation concentrate
As seen, after floatation on the magnetic separation concentrate, the amount of sulfur decreased to 0.48% while the iron content increased.
Media sources said that the bank could consider a floatation
along with other expansion possibilities such as acquisition of a bank.
Froth floatation of coal has been extensively studied and found to be feasible in enhancing the quality of coal by removal of unwanted minerals such as pyrite which is easily separated.
Very few studies have been completed on floatation of oil shale since the floatability of shales was found to be a difficult process .
A Denver DR floatation machine was used to perform froth floatation.
Three methods are used to remove inclusions from molten aluminum: sedimentation, floatation and filtration.
"The removal of inclusions from molten aluminum by floatation is a commercially accepted technique for improving metal cleanness," said Luiz Martins, RPT Technologies, Inc.
The rotary impeller degasser, used initially to remove hydrogen from liquid aluminum, has enabled foundrymen to enhance the floatation process.