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Outotec finland Oy
Outotec finland Oyj

Outotec finland Oy patents


Recent patent applications related to Outotec finland Oy. Outotec finland Oy is listed as an Agent/Assignee. Note: Outotec finland Oy may have other listings under different names/spellings. We're not affiliated with Outotec finland Oy, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "O" | Outotec finland Oy-related inventors


 new patent  Method of manufacturing a launder and launder

A method of manufacturing a launder (1) to be used in co-operation with a solvent extraction settler (2) comprises manufacturing at the site of manufacture, such as in an engineering workshop, a plurality of self-supporting launder element modules (3), each having exterior dimensions, strength and handling and securing means (4)... Outotec finland Oy

Mixing and delivery method arrangement and pump for supplying small particles suspended in a liquid to form flurry for delivery

A mixing arrangement, and pump for supplying small particles suspended in a liquid to form slurry for delivery includes a container, a mixing and delivery pump having a first shaft, a rotor connected to the first shaft and arranged at an inner bottom of an inner space of the container,... Outotec finland Oy

Process and plant for improved energy-efficient production of sulfuric acid

The invention describes a process for producing sulfuric acid by catalytic oxidation of SO2 to SO3 and subsequent absorption of the SO3 in sulfuric acid, wherein the SO3 is introduced into a first absorption stage (primary absorber) and at least partly absorbed there in concentrated sulfuric acid, wherein the SO3... Outotec finland Oy

A lifter bar, making a lifter bar, assembling a lifter bar and a grinding mill

This relates to a lifter bar, a method for making a lifter bar, a method for assembling a lifter bar and a grinding mill comprising multiple lifter bars. The lifter bar comprises a lifter bar body having a wear surface and comprising polyurethane (PU), a reinforced wearing plate attached to... Outotec finland Oy

Lifter bar, making a lifter bar, assembling a lifter bar and a grinding mill

This relates a lifter bar, method for making a lifter bar, a method for assembling a lifter bar and a grinding mill for ore grinding. The lifter bar comprises a lifter bar body having an outer surface conforming the outer surface of the lifter bar, and a fixing element for... Outotec finland Oy

Shell plate, making a shell plate and a grinding mill

The invention relates to a shell plate, to method for making a shell plate and to a grinding mill for ore grinding. The shell plate is mountable to a shell of a grinding mill for grinding ore, said shell plate comprises a shell plate body having a first portion comprising... Outotec finland Oy

Hydrofoil impeller

A hydrofoil impeller wherein the tip edge is straight and has a right angle with a radius extending from the central axis to the tip edge. In the central hub and in each of the blades the number of holes in each group of first and second holes is at... Outotec finland Oy

Mixing apparatus and its use

A mixing apparatus for mixing particles in a liquid and its use are disclosed. The mixing apparatus comprises a tank having a bottom and a substantially vertical side wall, an agitation means comprising a rotation shaft located vertically and centrally in the tank, and an impeller arranged at a height... Outotec finland Oy

Method for manufacturing a recess plate

A recess plate designed for use in a filter device for filtering a suspension includes a stationary head piece and a movable end piece, and a pack including copies of the recess plate, having a filter chamber inside the pack, adjoining the recess plate, having a first pipe for filling... Outotec finland Oy

Process for recovering gold

Provided is a process for recovery of gold from gold-bearing raw materials comprising (a) leaching said gold-bearing raw material in a chloride containing leaching solution containing a total concentration of less than 120 g/L of halide ions, whereby the total concentration of chloride ions is less than 120 g/L of... Outotec finland Oy

Method for controlling the suspension in a suspension smelting furnace, a suspension smelting furnace, and a concentrate burner

The invention relates to a method for controlling suspension in a suspension smelting furnace, to a suspension smelting furnace, and to a concentrate burner. The method comprises feeding additionally to pulverous solid matter and additionally to reaction gas reducing agent into the suspension smelting furnace, wherein reducing agent is fed... Outotec finland Oy

Enhanced method and arrangement for gas regulation in mineral flotation

A method for controlling gas circulation in a mineral flotation process in a system including one or more flotation cell unit(s) with an apparatus including a gas recirculation loop, a flushing system including an expulsion line for connecting pressure side of the gas recirculation loop to atmosphere and a suction... Outotec finland Oy

Hydrometallurgical treatment of anode sludge

The present invention provides a method of separating precious metals from anode sludge obtained from copper electrolysis, comprising (a) leaching the anode sludge in an aqueous sulfuric acid solution to remove leachable chlorides and to obtain a first leaching residue depleted of chlorides; (b) pressure leaching the first leaching residue... Outotec finland Oy

Method for manufacturing a process apparatus and a process apparatus

The invention concerns a method for manufacturing a process apparatus for moving liquid in high temperature liquid immersion under aggressive chemical environment and dynamic stress, wherein the method comprises the step of lining the process apparatus formed of stainless steel with rubber, wherein the method further comprises the step of... Outotec finland Oy

Method and arrangement for monitoring performance of a burner of a suspension smelting furnace

Provided are a method and an arrangement for monitoring performance of a burner of a suspension smelting furnace. The burner is arranged at the top structure of a reaction shaft of the suspension smelting furnace. The burner has a solids feeding channel that has a solids outlet opening up into... Outotec finland Oy

Process and plant for the production of liquid acid

A process for the production of liquid acid, comprising the steps of: feeding liquid acid with a first concentration into a gas purification; passing a gas through the gas purification such that a second concentration of the liquid acid is reached; withdrawing the liquid acid from the sump of the... Outotec finland Oy

Silver recovery by ion exchange

The present invention according provides a method of recovering silver from silver containing halide solutions, comprising the steps of: (a) providing an ion exchange column comprising a weak anion exchange resin; (b) introducing the silver containing halide solution to the ion exchange column to absorb silver in the weak anion... Outotec finland Oy

Method and arrangement for collecting and removal of acid mist from an electrolytic cell

A method and an arrangement for collecting and removal of acid mist from an electrolytic cell. The arrangement includes a cover for covering an open top of a container of the electrolytic cell so that a space is formed between a surface of electrolyte contained in the container and the... Outotec finland Oy

Method of converting copper containing material

The present invention provides a method of converting copper containing material to blister copper comprising: (a) providing copper containing material comprising copper sulfides and iron sulfides, whereby the copper containing material comprises at least 35 wt % copper of the total weight of the copper containing material; (b) reacting the... Outotec finland Oy

A method and an arrangement for determining a degree of fullness of a large grinding mill drum, and a large grinding mill drum

The present invention relates to the field of mineral and metallurgical processes, to disintegrating in general and to disintegrating by tumbling mills, and more particularly to a method and arrangement for determining a degree of fullness of a large grinding mill drum, and to a large grinding mill drum. An... Outotec finland Oy

Method for producing cathode copper

Provided is a method for producing cathode copper. The method comprises a smelting step including feeding sulfidic copper bearing material and oxygen-bearing reaction gas into a suspension smelting furnace, to produce blister copper, a fire refining step including feeding blister copper into an anode furnace to produce molten anode copper,... Outotec finland Oy








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