When spraying carbon disulfide with water, how can we prevent air dissolved in the water from being introduced?
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When spraying carbon disulfide with water, how can we prevent air dissolved in the water from being introduced?
An air filter can be installed in front of the water pipe or nozzle; it filters out the air in the water, preventing air from being sprayed out along with the water. Additionally, a high-pressure water gun can be used to spray carbon disulfide, resulting in a stronger water flow and the air being quickly washed away. Additionally, when in use, the nozzle can be submerged in water, allowing the water beneath it to push the air away. .
An open environment (including one with only an exhaust port connected to the atmosphere) is inevitable. A sealed environment can be isolated from air; by evacuating the container and replacing it with an inert gas during the charging phase, air can be eliminated. This situation is probably not the same scenario you mentioned. In common alkaline spray towers, the use of sodium hydroxide solution over time leads to the formation of large amounts of sodium carbonate; crystallization occurs in winter, causing blockages. Adding acid during wastewater treatment also results in the generation of large amounts of carbon dioxide, which causes bubbling and overflow
Air filter? Is this necessary?
I don’t understand. The air filter removes dissolved oxygen from water – what is its working principle (how does it function)?
If dissolved oxygen in water has an impact on the process (this has only been an issue with boiler feedwater), it may be possible to remove dissolved oxygen only by deoxygenating the water being sprayed. Common deoxygenation processes include thermal deoxygenation, stripping deoxygenation, and sponge iron deoxygenation (using chemicals for deoxygenation, with limited effectiveness).
If the goal is merely to remove the dissolved oxygen from water, considering the use of a stripping tower with nitrogen to strip away the dissolved oxygen in the water is also an option. Carbon disulfide is only slightly soluble in water; at room temperature its solubility is slightly less than 0.2% (by mass). By the way, OP, what effect does spraying carbon disulfide with water have?