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The Page Description. Table of ContentsMaterial and EquipmentGermanium ExtractionAvoiding Germanium PrecipitationTwo-Stage Counter-Current LeachingIncreasing Germanium Extraction A sulfuric acid leach technique for extracting gallium and germanium from Apex ore without the use of a reducing agent, such as SO2, was investigated Leaching studies showed that with increasing sulfuric acid ...
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The two-step strategy: 1.carbothermic reduction, and 2.dissolution with sulfuric acid at 70°C was applied under atmospheric pressure aiming at an increased selective extraction of rare earth ...
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The sulfuric acid leaching process is regarded as a promising, cleaner method to prepare trivalent chromium products from chromite; however, the decomposition mechanism of the ore is poorly ...
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