Process for the treatment of natural polymineral salt, comprising clay with the preparation of potassium-magnesium fertilizer and mortgage material for dry laying of produced spread of mines
DE102007049182B3
Producing potassium-magnesium-fertilizer and filling material, from polymineralic raw potassium salt, comprises e.g. fragmenting dry raw salt by sieving to different fractions and separating to magnetic and non-magnetic fractions
DE102005045054A1
Preparing potassium sulfate comprises reacting sulfuric acid and potassium chloride, reacting the obtained potassium hydrogen sulfate with magnesium oxide to give magnesium sulfate followed by reacting with potassium chloride and water
DE102005045055A1
Preparation of potassium sulfate from potassium chloride and sulfuric acid without accumulation of hydrogen chloride or hydrochloric acid comprises reacting potassium chloride, sulfuric acid and basic magnesium compound
DE102005023525A1
Method for comminution of metal chips mixtures and for the alloy-specific recovery of the metal chips
DE102004029658A1
Electrode-specific recycling of nickel-metal hydride traction batteries of electric vehicles comprises working up fractions of specified size produced by sieving
DE102004020529A1
Preparation of nickel hydroxide cathode material, useful in alkaline accumulators, from double salt form of secondary nickel concentrate comprises adding the double salt and liquid solvent, mixing and removing the precipitated product
DE102004020528A1
Continuous reaction and precipitation crystallization reactor, with central stirred, loop flow part, annular clarification zone and truncated conical annular partition to increase clarification surface
DE102004020640A1
Loop reactor type controlled precipitation crystallization apparatus with integrated clarification zone, e.g. for forming metal hydroxides, having additional external clarifier to increase particle size
DE10316627A1
Method for compressed air stabilizing of closed down mine works with parallel utilization as energy storage containing two components, i.e. long-term compressed air supported
DE10311277A1
Production of potassium sulfate and aluminum hydroxide from alunite, comprises leaching ground and calcined alunite with water and precipitating aluminum hydroxide with potassium hydroxide
DE10304314A1
Production of magnesium hydroxide comprises continuously supplying the reactants to a stirred loop reactor so that hydroxide formation occurs in the presence of a bed of magnesium hydroxide
DE10252951A1
Recovery of nickel double salts from impurity-containing solutions involves crystallization by introduction of an ammonium sulfate/potassium sulfate mixture optionally together with inorganic additives
DE19529850A1
Process to improve the flow and setting properties of mineral pumping mixes for salt rocks
