Outotec (finland) Oy

Raisio Nutrition Ltd

Orion Corporation

Raision Tehtaat Oy Ab

Tatu Miettinen

Ingmar Wester

Rodrigo Grau

Tapio Palmu

Zakaria Mönkäre

Jere Tuominen

Helena Gylling

Lauri V Kangas

Michael W DeGregorio

Hannu Vanhanen

Pirkko Harkonen

Alejandro Yanez

Eero Mantyla

A froth flotation unit for treating mineral ore particles suspended in slurry includes a tank, a gas supply for introducing flotation gas into the slurry to form froth, and a first froth collection launder including a first froth overflow lip facing towards the centre of the tank. The froth flotation unit has a pulp area of at least 15 mmeasured at a mixing area. The froth flotation unit further includes a second froth collection launder with a first froth overflow lip facing the perimeter of the flotation tank, and a froth blocker arranged between the first froth overflow lip and the second froth overflow lip. A froth flotation line, its use, and a froth flotation method are also disclosed.

Froth flotation unit

A froth collection launder for a collection of froth from a mineral flotation includes a first and a second sidewall which are joined to form a bottom including a tip extending along the bottom, the first sidewall including a first end and the second sidewall including a second end at their open ends, at least one of the first and the second ends includes a froth overflow lip, and when the froth collection launder is positioned at its operation position a centre line is located in the middle of the first and the second end in the cross direction (x) of the froth collection launder. The tip is located between the centre line and one of the first and the second end in the cross direction (x) of the froth collection launder and the tip forms the lowest point of the froth collection launder.

Froth collection launder

A stanol composition containing in addition to sitostanol as the main component, also a substantial amount of at least 10% campestanol has been found to effectively lower serum cholesterol levels when incorporated in edible commodities. Upon esterification the composition is especially useful in edible fats and oils and in fat-containing foods.

Stanol composition and the use thereof

Serum cholesterol lowering agent

Use of a stanol fatty acid ester for reducing serum cholesterol level

Growing community of inventors

Espoo, Finland

Tatu Miettinen