Abstract: A method of reduction of a metal oxide material and a metal material production configuration adapted for manufacture of reduced metal material, a metal oxide material production unit produces a metal oxide material holding thermal energy, a direct reduction facility is configured for introduction of a reducing agent adapted to react with the metal oxide material. The method includes the steps of; charging the metal oxide material, holding thermal energy; introducing the reducing agent; reducing the metal oxide material to reduced metal material by utilizing the thermal energy of the metal oxide material to heat or further heat the introduced reducing agent for achieving a chemical reaction; and discharging the reduced metal material from the direct reduction facility. A direct reduction facility and a data program configured to execute an automatic or semi-automatic manufacture of reduced metal material ready to be transported to a metal production site.

Abstract: An apparatus for stripping metal (12, 14) deposited on a cathode plate (16), comprises a first robotic arm (46) carrying a first stripping apparatus (40), the first stripping apparatus having a first gripping apparatus (62, 63) to grip the cathode plate such that the first robotic arm operates to lift the cathode plate out of the stripping station following stripping of the metal sheets from the cathode plate. A second robotic arm (48) carrying a second stripping apparatus (42) is located on a second side of the cathode plate, the second stripping apparatus having a second gripping apparatus (76, 77) for gripping one or both of the first sheet of metal (12) and the second sheet of metal (14). The second robotic arm can be operated to move the first sheet of metal and the second sheet of metal to a metal storage region following stripping from the cathode plate (16).

Abstract: A hanger bar for an electrowinning cell, wherein hanger bar includes a bar portion and one or more contact portions adapted, in use, to be brought into contact with an electrical conductor. The contact portions are fabricated from an electrically conductive material, and a welded seal is formed between the bar portion and the contact portions in order to minimize corrosion.

Abstract: A hanger bar for an electrowinning cell, wherein hanger bar includes a bar portion and one or more contact portions adapted, in use, to be brought into contact with an electrical conductor. The contact portions are fabricated from an electrically conductive material, and a welded seal is formed between the bar portion and the contact portions in order to minimize corrosion.

Abstract: The invention concerns a rotor machine and an impeller, of which the rotor machine is intended to function as a liquid pump or as an agitator in a fluid such as a liquid or a colloid, whereby the rotor machine has a pump casing (1) with an impeller (2) mounted in bearings in a manner that allows rotation around an axis (X), and in which the rotor machine has three principal flow pathways, comprising: —an axial inlet opening (4) with a defined area of opening (Ain) —a radially oriented outlet opening (5) with a defined area of opening (Aut), and —a series of radially extending blades (3) that, distributed around the circumference of the impeller, form between them a number of flow channels (22:1-22:n).

Abstract: The invention concerns a rotor machine and an impeller, of which the rotor machine is intended to function as a liquid pump or as an agitator in a fluid such as a liquid or a colloid, whereby the rotor machine has a pump casing (1) with an impeller (2) mounted in bearings in a manner that allows rotation around an axis (X), and in which the rotor machine has three principal flow pathways, comprising: —an axial inlet opening (4) with a defined area of opening (Ain) —a radially oriented outlet opening (5) with a defined area of opening (Aut), and —a series of radially extending blades (3) that, distributed around the circumference of the impeller, form between them a number of flow channels (22:1-22:n).

Abstract: An apparatus for stripping metal from a cathode plate, the apparatus comprising stripping means adapted for positioning between the metal and the cathode plate in order to separate the metal from the cathode plate, and wherein movement of the stripping means is achieved through movement of a robotic arm.

Abstract: An apparatus for stripping metal from a cathode plate, the apparatus comprising stripping means adapted for positioning between the metal and the cathode plate in order to separate the metal from the cathode plate, and wherein movement of the stripping means is achieved through movement of a robotic arm.

Abstract: An apparatus for stripping metal from a cathode plate in which part of the metal has been separated from the cathode plate to form a gap between the part of the metal and the cathode plate, the apparatus comprising at least one roller for positioning in the gap between the metal and the cathode plate and drive means for driving the roller along the cathode plate or the metal to cause stripping of the metal from the cathode plate.

Abstract: The invention relates to a device for separating metal deposit from a mother plate used as a cathode in an electrolytic process, as metal electrorefining or metal electrowinning, in which device there is a supporting member for supporting the cathode to be treated, a member for releasing at least partly a metal deposit grown during the electrolytic process on a surface of the mother, and a member for support the released metal deposit. According to the invention the mother plate of a cathode (1, 21, 31, 41, 51) is provided with a growth affecting means (16, 24, 36, 43, 53) for creating an irregularity in the growth of the metal deposit (4) to be used as a hinged member when the metal deposit (4) is tilted to the mother plate of the cathode (1, 21, 31, 41, 51) in order to break the metal deposit (4) in two separate pieces along the irregularity in the growth.

Abstract: The present invention relates to an apparatus for destroying a predetermined defined volume (10) in a tissue, such as generating controlled coagulation, so-called lesion, in the brain. More particularly, the apparatus comprises a main unit (1) for transmitting a tissue-destroying medium comprising a control unit (3) for controlling the medium transmission, and a transferring means (4), such as an electrode, which is connected to said main unit and adapted to be inserted into the predetermined volume for transferring the transmitted medium to the volume. The apparatus according to the invention is characterised in that it further comprises a measuring means (5-8) for measuring at least one optical characteristic of the predetermined volume, the optical characteristic varying with the size of the destroyed volume, the measuring means being connected to said control unit for controlling the supply of the tissue-destroying medium on the basis of the measured optical characteristic.

Abstract: A process of making paper or paper board comprising forming a cellulosic suspension, flocculating the suspension, draining the suspension on a screen to form a sheet and then drying the sheet, characterized in that the suspension is flocculated using a flocculation system comprising a clay and an anionic branched water soluble polymer that has been formed from water soluble ethylenically unsaturated anionic monomer or monomer blend and branching agent and wherein the polymer has (a) intrinsic viscosity above 1.5 dl/g and/or saline Brookfield viscosity of above about 2.0 mPa.s and (b) rheological oscillation value of tan delta at 0.005 Hz of above 0.7 and/or (c) deionised SLV viscosity number which is at least three times the salted SLV viscosity number of the corresponding unbranched polymer made in the absence of branching agent.

Abstract: The invention concerns a low pressure for the preparation of an iron-based, optionally alloyed powder comprising the steps of preparing a raw powder essentially consisting of iron and optionally at least one alloying element selected from the group consisting of chromium, manganese, copper, nickel, vanadium, niobium, boron, silicon, molybdenum and tungsten; charging a gas tight furnace with the powder in an essentially inert gas atmosphere and closing the furnace; increasing the furnace temperature; monitoring the increase of the formation of CO gas and evacuating gas from the furnace when a significant increase of the CO formation is observed and cooling the powder when the increase of the formation of CO gas diminishes.

Abstract: The present invention concerns a method of preparing a sintered product having a tensile strength 750 MPa comprising the steps of compacting a water-atomised, annealed iron-based powder comprising, by weight %, Cr 2.5-3.5, Mo 0.3-0.7, Mn 0.09-0.3, O <0.2, C<0.01 the balance being iron and, an amount of not more than 1%, inevitable impurities, at a pressure of at least 600 MPa and subjecting the compacted body to sintering at a temperature of at most 1220° C. The invention also concerns the annealed powder used in the method as well as the sintered products.

Abstract: The invention concerns a method of monitoring and controlling the furnace atmosphere when sintering PM compacts. According to the invention, the gases determining the carbon and oxygen potentials are measured continuously.

Abstract: A method and a device for testing a brain lesion electrode (1) which is intended for use in treatment of a specified area in the brain, for instance, by controlled coagulation or lessening. The device comprises a transparent container (2) which in adapted to accommodate a solution of coagulatable protein with a predetermined salt content, a seal (6), which the brain lesion electrode (1) can penetrate and which is adapted to seal the container (2) containing the solution, a heating device (3) for heating the solution to a selected temperature, a power unit (23) for supplying, during a selected period, current of a predetermined intensity and frequency between the electrode (1) and a backplate electrode (18) in the container (2) to increase the temperature of the solution in the area at the tip of (21) of the electrode when the electrode (1) is introduced into the solution and positioned therein.

Abstract: Paper or paper board is made by adding cationic polymeric retention aid to a cellulosic supension, shearing the suspension to degrade the resultant flocs, aggregating the suspension by adding an aqueous composition of bentonite or other anionic bridging coagulant in the presence of anionic dye, pigment or optical brightening agent, and forming paper from the aggregated suspension.