Problems encountered in the use of sulfided cobalt-molybdenum catalysts
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1. Can the vulcanized catalyst come into contact with water during use? 2. Will the vulcanized catalyst gradually become ineffective during use due to the erosion by large amounts of water in the steam on the surface of the carrier? 3. Is carbon the main component of the dust particles contained in the off-gases from calcium carbide furnaces?
1. The catalyst should not come into contact with liquid water, as this can cause it to become powdered； 2. It can be exposed to steam; isn’t the sulfur-tolerant shift catalyst an example of this? How can there be a reaction without steam? 3. The main component of the calcium carbide furnace exhaust gas is calcium oxide, followed by carbon