flotation gasification system
Flotation

Improve Coal Flotation Rate and Recovery

Table of ContentsFroth Flotation TechniquesExperimentalResults and Discussion A unique collector dispersion techniques was developed and used to improve the flotation rate and recovery of coarser

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bacterial-oxidation refractory
Leaching

Bacterial Oxidation of Refractory Ores

Table of ContentsBIOX Plant OperationBIOX Process ImprovementsStability of Precipitates The bacterial oxidation (BIOX) process for the pre-treatment of refractory ores for gold recovery was developed

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research evaluation and dissemination network
Mining

Mining Engineers Training Exercises

Table of ContentsPurposeField TestingEffectiveness In the past mining accidents were often a consequence of poorly designed equipment and inefficient mining systems. As mining equipment and

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recirculation ventilation schematics
Mining

Mine Ventilation Recirculation Systems

Table of ContentsReview of Basic PrinciplesStudy of a Hypothetical Ventilation NetworkSpecial Cases of Controlled RecirculationLaboratory Tests In many deep mines, the design of a ventilation

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wyoming-pegmatites low-grade samples
Non-Metallic & Industrial

Extract Tantalum & Niobium from Pegmatites

Table of ContentsArea Description and Geologic SettingSampling and MineralogyTantalite Upgrading and RecoveryCoarse Crushing and Mica RemovalGravity BeneficiationMagnetic Upgrading of TantalitePilot Plant TestingHigh-Grade Material Sample ALow-grade

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germanium-extraction zinc processing flowsheet
Hydrometallurgy

Germanium Extraction from Zinc Hydrometallurgy

Table of ContentsMaterial and EquipmentUnderstanding Germanium InsolubilityZinc Processing StepsPossible Solutions to the ProblemSummary Germanium is an important strategic metal used in fiber optics, infrared detectors,

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