Table of ContentsMethod of Rating—Air MeasurementDifficulties ExperiencedRelative Steadiness of BlastAdvantage of Steady BlastGoverning Air FlowGeneral Design of Turbo BlowersComparative EfficiencyComparison of Steam-Engine, Steam-Turbine, and Gas-Engine
Table of ContentsHealth Effects of ArsenicArsenic in WaterArsenic GuidelinesArsenic in the USAArsenic Treatment MethodsRemove Arsenic by Ion-exchange Arsenic Removal using Reverse OsmosisCatalyst mediaAdsorption MediaArsenic Removal Case StudyWhat is the best
Table of ContentsPreparation of OreExtractionRecoveryZinc RecoveryLosses Most metallurgists appreciate the great need of a process for the extraction and recovery of valuable metals from complex
Table of ContentsExperiments With Silver Sulphate SolutionExperiments with other Silver SolutionsQuantitative ExperimentsNiccolite and Silver Sulphate SolutionChalcocite and Silver Sulphate SolutionExperiments with Gold ChlorideEffects of Thin Coatings
The valuable results that have followed the application in recent years of microscopic methods of research to problems of ore genesis have been significant, but
Table of ContentsTunnelSummary of CostsDiscussion The Rawley property is located in the Kerber Creek mining-district, Saguache county, Colorado, at an elevation of 10,600 ft. (See
The use of hammer drills for obtaining samples in underground work has increased in recent years. This method has advantages where holes are short, ground
The advantages of obtaining core samples that provide a visual record of the rocks and ores sampled and at the same time furnish samples for
Grab sampling usually consists in taking portions of ore at random from muck piles, chutes, or the tops of cars of ore. When done in
Face sampling is the cutting of pieces of ore and rock from exposed faces of ore and waste. The faces may be natural outcrops or
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