Fine coke addn. to contaminated earth before washing - aids sepn. of heavy metals and hydrocarbon(s)
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Waste material contg. coke - used as adsorbent to remove hydrocarbon(s) and heavy metals from waste water
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Method and apparatus for highly selective sorting of fine and very fine dry dusts having magnetic phases
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Process for removing iron(III) from acid zinc salt solutions by solvent extraction
AU7515987A
Process and device for carrying out chemical processes under pressure
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Process and alloy for hot-galvanising
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Process for removing thallium from crude lead and high-purity lead
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Process for recovering lead from oxidic or oxidic/sulphatic secondary precursor materials
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METHOD FOR IMPLEMENTING CHEMICAL PROCESSES UNDER PRESSURE AND DEVICE FOR IMPLEMENTING THE METHOD
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Method and devices for the downward conveying of highly consistent solid/liquid mixtures in pipelines
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Device for detecting fluorescing substances on the surface of the earth
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DEVICE FOR PROMOTING DENSITY SUSPENSIONS AND METHOD FOR THEIR OPERATION
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DEVICE FOR DETECTING FLUORESCENT SUBSTANCES ON THE EARTH SURFACE
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METHOD FOR LIQUID-LIQUID EXTRACTION OF GALLIUM, GERMANIUM OR INDIUM FROM AQUEOUS SOLUTIONS
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METHOD FOR PREVENTING WEAR ON THE SURFACES OF MACHINES AND DEVICES FOR PROCESSING AMOUNTS IN WATER OR HUMIDIFIED AIR, AND DEVICE FOR CARRYING OUT SUCH A METHOD
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Exchangeable membrane mount for dialysis cells, in particular electrodialysis cells
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METHOD FOR HYDRAULIC CONVEYING SOLIDS, AND DEVICE FOR IMPLEMENTING THE METHOD
DE3419120C1
Process for obtaining a germanium concentrate that can be processed
DE3419119C1
Process for extracting tin from low-tin oxidic or oxidic-sulfidic precursors or concentrates