Abstract: A flotation arrangement, a flotation plant and a method related thereto are disclosed. The flotation arrangement includes a first flotation section and a second flotation section. The arrangement further includes a dewatering system for separating solid material and liquid to obtain a dewatered solid material stream and a separated liquid stream, and the dewatering system is arranged before the second flotation section and connected thereto for leading said dewatered solid material stream to the second flotation section and the arrangement includes recovery means for recovering the separated liquid stream.

Abstract: A flotation line for treating mineral ore particles suspended in slurry, including at least three flotation units arranged in fluid connection with each other for allowing gravity-driven slurry flow between flotation units, and a feed inlet for supplying slurry into a first flotation unit; wherein at least three flotation units are configured to be uniplanar, each flotation unit includes at least one flotation cell; and wherein the launder lip height of each uniplanar flotation unit is lower than the launder lip height of the preceding uniplanar flotation unit in the direction of the slurry flow, so that an angle of sloping between a first uniplanar flotation cell, equipped with a launder lip and being larger than 150 m3, and a last uniplanar flotation cell, equipped with a launder lip and being larger than 40 m3, is formed; and the angle is 1.5 to 10 degrees relative to horizontal.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry. The arrangement includes a primary line including at least two primary flotation cells, a first secondary line, and a second secondary line downstream of the first secondary line. In the arrangement, underflow from a secondary line is arranged to flow to the last of the at least one primary flotation cells from which the primary overflow was received, or to a primary flotation cell downstream of the last of the at least one primary flotation cells from which the primary overflow was received. The disclosure further relates a use of a flotation arrangement, to a flotation plant and to a flotation method.

Abstract: A flotation cell for treating particles suspended in slurry. The flotation cell includes a fluidized bed, a recovery zone at the upper part of the flotation cell, a launder lip and a recovery launder, and a tailings outlet. A primary slurry feed including fresh slurry is arranged to be fed into the flotation cell by a first feed inlet at a first position; and a secondary slurry feed including at least slurry recirculated from a flotation cell is arranged to be fed into the fluidized bed by a second feed inlet at a second position, below the first position. The slurry recirculated from the flotation cell is obtained at a third position between the recovery launder and the tailings outlet. A use of the flotation cell as well as a method for treating particles suspended in slurry are also disclosed.

Abstract: A flotation cell for treating particles suspended in slurry. The flotation cell includes a fluidized bed; a recovery zone at an upper part of the flotation cell; a launder lip and a recovery launder; a tailings outlet arranged below the recovery launder; and a first feed inlet arranged to supply a primary slurry feed comprising fresh slurry into the fluidized bed at a first position. The flotation cell has a height measured from the bottom of the flotation cell to the launder lip. The flotation cell includes an agitator arranged adjacent to the bottom of the fluidized bed.

Abstract: A flotation method for recovering valuable metal containing ore particles from ore particles suspended in slurry is disclosed. In the method, the slurry is treated in an at least one overflow flotation cell and the valuable metal containing ore particles are recovered by conducting the continuous upwards flow of slurry out of the at least one overflow flotation cell as slurry overflow. At least part of the slurry overflow is conducted to a further treatment step in a treatment system.

Abstract: A flotation cell for treating particles suspended in slurry and for separating the slurry into an underflow and an overflow is disclosed. The flotation cell includes a flotation tank including a center, a perimeter, a bottom, and a side wall; and a launder and a launder lip surrounding the perimeter of the flotation tank. The flotation tank further includes blast tubes for introducing slurry infeed into the flotation tank. A flotation line, as well as a use of the flotation line is also disclosed.

Abstract: A flotation line for treating mineral ore particles suspended in slurry is disclosed. The flotation line includes a scavenger part and a scavenger cleaner part. The flotation line is characterized in that the scavenger part or the scavenger cleaner part includes a flotation cell with blast tubes for introducing slurry infeed into the flotation cell; or in that the scavenger part or the scavenger cleaner part is followed by a flotation cell with blast tubes for introducing slurry infeed into the flotation cell. Further, a use of the flotation line is presented, as well as a flotation plant including a flotation line according to the invention.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry includes a primary flotation line with a rougher part including at least two rougher primary flotation cells and a scavenger part including at least two scavenger primary flotation cells, and a secondary flotation line including at least two secondary flotation cells. A first secondary flotation cell is arranged to receive primary overflow from the at least one rougher primary flotation cell, and a further secondary flotation cell to receive primary overflow from the at least one further rougher primary flotation cell. The further secondary flotation cell is arranged in fluid communication with a previous secondary flotation cell, and underflow from the first secondary flotation cell is arranged to flow into the further secondary flotation cell, or arranged to be combined with secondary underflow of the further secondary flotation cell.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry includes a primary flotation line with a rougher part and a scavenger part. Overflow of at least one rougher primary flotation cell is arranged to flow directly into a rougher cleaner cell. Underflow from a first rougher cleaner flotation cell is combined into overflow from a rougher primary flotation cell downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow; or into combined overflows from rougher primary flotation cells downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow; or into overflow from an additional rougher cleaner cell which receives primary overflow from at least one rougher primary flotation cell downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow.

Abstract: A froth flotation cell for treating mineral ore particles suspended in slurry includes a tank, a gas supply, a first froth collection channel, a second froth collection channel arranged between the centre of the tank and the first froth collection channel, and a radial froth collection launder including a radial froth overflow lip, and extending from the first froth collection channel towards the second froth collection channel. The froth flotation cell further includes a radial froth crowder including a crowding sidewall, and extending from the second froth collection channel to the first froth collection channel. Further, a froth flotation line, its use and a froth flotation method are presented.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry includes a primary flotation line with a rougher part and a scavenger part. Overflow of at least one rougher primary flotation cell is arranged to flow directly into a rougher cleaner cell. Underflow from a first rougher cleaner flotation cell is combined into overflow from a rougher primary flotation cell downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow; or into combined overflows from rougher primary flotation cells downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow; or into overflow from an additional rougher cleaner cell which receives primary overflow from at least one rougher primary flotation cell downstream from the rougher primary flotation cell from which the first rougher cleaner flotation cell receives primary overflow.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry. The arrangement includes a primary line including at least two primary flotation cells, a first secondary line, and a second secondary line downstream of the first secondary line. In the arrangement, underflow from a secondary line is arranged to flow to the last of the at least one primary flotation cells from which the primary overflow was received, or to a primary flotation cell downstream of the last of the at least one primary flotation cells from which the primary overflow was received. The disclosure further relates a use of a flotation arrangement, to a flotation plant and to a flotation method.

Abstract: A flotation arrangement for treating mineral ore particles suspended in slurry includes a primary flotation line with a rougher part including at least two rougher primary flotation cells and a scavenger part including at least two scavenger primary flotation cells, and a secondary flotation line including at least two secondary flotation cells. A first secondary flotation cell is arranged to receive primary overflow from the at least one rougher primary flotation cell, and a further secondary flotation cell to receive primary overflow from the at least one further rougher primary flotation cell. The further secondary flotation cell is arranged in fluid communication with a previous secondary flotation cell, and underflow from the first secondary flotation cell is arranged to flow into the further secondary flotation cell, or arranged to be combined with secondary underflow of the further secondary flotation cell.

Abstract: A flotation method for recovering valuable metal containing ore particles from ore particles suspended in slurry is disclosed. In the method, the slurry is treated in an at least one overflow flotation cell and the valuable metal containing ore particles are recovered by conducting the continuous upwards flow of slurry out of the at least one overflow flotation cell as slurry overflow. At least part of the slurry overflow is conducted to a further treatment step in a treatment system.

Abstract: A flotation line for treating mineral ore particles suspended in slurry, including at least three flotation units arranged in fluid connection with each other for allowing gravity-driven slurry flow between flotation units, and a feed inlet for supplying slurry into a first flotation unit; wherein at least three flotation units are configured to be uniplanar, each flotation unit includes at least one flotation cell; and wherein the launder lip height of each uniplanar flotation unit is lower than the launder lip height of the preceding uniplanar flotation unit in the direction of the slurry flow, so that an angle of sloping between a first uniplanar flotation cell, equipped with a launder lip and being larger than 150 m3, and a last uniplanar flotation cell, equipped with a launder lip and being larger than 40 m3, is formed; and the angle is 1.5 to 10 degrees relative to horizontal.

Abstract: The invention relates to a method of using a flotation machine that is used in metallurgical processes and to a flotation machine. The flotation machine foams hydrophobic particles from an aqueous slurry that contains these particles. The flotation machine includes a flotation cell (1), and a rotor (2) that is inside the flotation cell. The rotor (2) is rotated at a mixing power, which maintains the suspension in the slurry and mixing of air with the slurry to form the foam, and the mixing power is controlled by adjusting the rotation speed of the rotor. The amount of solid matter S accumulated on the bottom of the cell (1) is determined, and the rotation speed of the rotor (2) is adjusted on the basis of the determined amount of solid matter. The flotation machine includes a measuring device (5) for determining the amount of solid matter accumulated on the bottom of the cell.

Abstract: The invention relates to a method of using a flotation machine that is used in metallurgical processes and to a flotation machine. The flotation machine foams hydrophobic particles from an aqueous slurry that contains these particles. The flotation machine includes a flotation cell (1), and a rotor (2) that is inside the flotation cell. The rotor (2) is rotated at a mixing power, which maintains the suspension in the slurry and mixing of air with the slurry to form the foam, and the mixing power is controlled by adjusting the rotation speed of the rotor. The amount of solid matter S accumulated on the bottom of the cell (1) is determined, and the rotation speed of the rotor (2) is adjusted on the basis of the determined amount of solid matter. The flotation machine includes a measuring device (5) for determining the amount of solid matter accumulated on the bottom of the cell.

Abstract: The invention relates to a method of using a flotation machine that is used in metallurgical processes and to a flotation machine. The flotation machine foams hydrophobic particles from an aqueous slurry that contains these particles. The flotation machine includes a flotation cell (1), and a rotor (2) that is inside the flotation cell. The rotor (2) is rotated at a mixing power, which maintains the suspension in the slurry and mixing of air with the slurry to form the foam, and the mixing power is controlled by adjusting the rotation speed of the rotor. The amount of solid matter S accumulated on the bottom of the cell (1) is determined, and the rotation speed of the rotor (2) is adjusted on the basis of the determined amount of solid matter. The flotation machine includes a measuring device (5) for determining the amount of solid matter accumulated on the bottom of the cell.

Abstract: The invention relates to a method of using a flotation machine that is used in metallurgical processes and to a flotation machine. The flotation machine foams hydrophobic particles from an aqueous slurry that contains these particles. The flotation machine includes a flotation cell (1), and a rotor (2) that is inside the flotation cell. The rotor (2) is rotated at a mixing power, which maintains the suspension in the slurry and mixing of air with the slurry to form the foam, and the mixing power is controlled by adjusting the rotation speed of the rotor. The amount of solid matter S accumulated on the bottom of the cell (1) is determined, and the rotation speed of the rotor (2) is adjusted on the basis of the determined amount of solid matter. The flotation machine includes a measuring device (5) for determining the amount of solid matter accumulated on the bottom of the cell.