Abstract: A process is disclosed for the recovery of valuable metals from oxidic ores, in particular from polymetallic nodules. The process is suitable for the recovery of Cu, Co, Ni, Fe, and Mn, which are the main metals of interest in such polymetallic nodules. The present process is, among others, characterized by the handling of Fe, which is dissolved and kept in solution until the step of crystallization rather than removed at an earlier stage. A mixed Mn—Fe residue is obtained, which, after thermal treatment, provides a Mn—Fe oxide that is suitable for the steel or for the manganese industry. Excellent Cu, Co and Ni yields are obtained, while Fe is leached and valorized together with Mn.

Abstract: The present disclosure concerns a process for the recovery of valuable metals from polymetallic nodules. A two-stage process using SO2 in an acidic aqueous media is disclosed. In a first step, performed in mildly acidic conditions, Mn, Ni, and Co are dissolved; in a second, more acidic step, Cu is dissolved. Under these conditions, the leachate of the first step contains most of the Mn, Ni, and Co, while being nearly Cu-free. The Ni and Co are precipitated as sulfides; the Mn can be recovered as sulfate by crystallization. Cu, which is leached in the second step, is secretively precipitated, also as sulfide.

Abstract: A process is divulged for recovering metals from a metal-bearing material containing, in oxidized form, more than 1% of Co, a total of Co and Ni of more than 15%, and more than 1% Mg. comprising smelting said metal-bearing material in a bath furnace together with slag formers, thereby producing an alloy phase with more than 80% of the Co, and less than 1% of the Mg, and a slag phase, by applying reducing smelting conditions, and by selecting CaO, SiO2, and A1203 as slag -formers, in amounts to obtain a final slag composition according to the ratio's 0.25 <SiO2/Al2O3<2.5, 0.5 <SiO2/CaO<2.5, and MgO>10%; and separating the alloy phase from the slag phase. This process ensures quantitative recovery of Co in an alloy phase along with other metals such as Ni, while collecting Mg into a slag.

Abstract: A combined fishing rod and beverage holder for insertion into and removal from an opening in a marine vessel is disclosed. The combined fishing rod and beverage holder includes a substantially tubular hollow cylindrical member which is formed with an upper portion and a lower portion. The upper portion has a diameter which is larger than the diameter of the lower portion. The diameter of the upper portion enables a beverage container with or without an insulating jacket to be placed within and retained within the upper portion of the combined rod and beverage holder. The upper portion includes an outwardly projecting flange which includes apertures through which fasteners can be placed to secure the combined rod and beverage holder to a surface, such as a gunwale of a marine vessel. Other types or secure devices can also be employed to secure the combined rod and beverage holder to any surface.

Abstract: A combined fishing rod and beverage holder for insertion into and removal from an opening in a marine vessel is disclosed. The combined fishing rod and beverage holder includes a substantially tubular hollow cylindrical member which is formed with an upper portion and a lower portion. The upper portion has a diameter which is larger than the diameter of the lower portion. The diameter of the upper portion enables a beverage container with or without an insulating jacket to be placed within and retained within the upper portion of the combined rod and beverage holder. The upper portion includes an outwardly projecting flange which includes apertures through which fasteners can be placed to secure the combined rod and beverage holder to a surface, such as a gunwale of a marine vessel. Other types or secure devices can also be employed to secure the combined rod and beverage holder to any surface.

Abstract: An operator's cab for a work machine includes a ceiling structure and a floor structure. An operator's station is disposed between the ceiling structure and the floor structure, and is configured to position an operator in a driving position. First and second vertical support bars extend from the ceiling structure to the floor structure. The first and second vertical support bars are disposed forwardly of the operator's station land are spaced a substantially equal distance from a longitudinal axis of the work machine. Third and fourth vertical support bars also extend from the ceiling structure to the floor structure. The third and fourth vertical support bars are spaced a substantially equal distance from the longitudinal axis. The distance from the first and second vertical support bars to the longitudinal axis is less than the distance from the third and fourth vertical support bars to the longitudinal axis.

Abstract: An operator's cab for a work machine includes a ceiling structure and a floor structure. An operator's station is disposed between the ceiling structure and the floor structure, and is configured to position an operator in a driving position. First and second vertical support bars extend from the ceiling structure to the floor structure. The first and second vertical support bars are disposed forwardly of the operator's station and are spaced a substantially equal distance from a longitudinal axis of the work machine. Third and fourth vertical support bars also extend from the ceiling structure to the floor structure. The third and fourth vertical support bars are spaced a substantially equal distance from the longitudinal axis. The distance from the first and second vertical support bars to the longitudinal axis is less than the distance from the third and fourth vertical support bars to the longitudinal axis.