Nathaniel S. Keith, · He would also patent several more pieces of mine machinery (a ball crusher [the "Keith Pulverizer"]) and amalgamation equipment (the commonly used centrifugal electrical amalgamation machine). In San Francisco, he also sold electric motors to meet burgeoning demand, but sold out with the crash of 1893.GYPSUM PANELS, METHODS, AND SYSTEMS, · Grind samples to powder using rock crusher and pulverizer. Next, the salt (sodium and chloride) content of the samples is tested according to the following procedure. 1. Place 10 grams of prepared sample in a 250 ml beaker (Samples are tested in duplicates ...Reducing mercury emissions from the burning of coal, · For furnaces burning pulverized coal, the coal is delivered by belt or other means to milling equipment such as a crusher and ultimately to a pulverizer. In a storage system, coal is pulverized and conveyed by air or gas to a collector, from which the pulverized coal is transferred to a storage bin, from which the coal is fed to the furnace as needed.
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