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Pellets of soda lye (sodium hydroxide) Pellets of potash lye (potassium hydroxide)Lye is a hydroxide, either sodium hydroxide or potassium hydroxide.The word lye most accurately refers to sodium hydroxide (NaOH), [citation needed] but historically has been conflated to include other alkali materials, most notably potassium hydroxide (KOH).
The release of hydrogen gas stirs the mixture and improves the interaction between the lye and the materials clogging the drain. It's possible that pressure may build up inside the pipe, causing the hot, caustic solution to spurt out of the drain. Sodium nitrate reacts with hydrogen gas: Na + + NO 3 − + 4H 2 → NaOH + NH 3 + 2H 2 O. This ...
Sodium hydroxide solutions, also known as lye and caustic soda, are used in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner. Worldwide production in 2004 was approximately 60 million tonnes. [10] The principal method of manufacture is the chloralkali process.
Liquid bleach usually contains also some sodium hydroxide (caustic soda or soda lye, NaOH), intended to keep the solution alkaline. Sodium chloride (table salt, NaCl) is often present too, and plays no role in the product's action. Sodium chloride and hydroxide are normal residues from the main production processes.
Caustic potash or potash lye: potassium hydroxide (KOH) Carbonate of potash, salts of tartar, or pearl ash: potassium carbonate (K 2 CO 3) Chlorate of potash: potassium chlorate (KClO 3) Muriate of potash (MOP) potassium chloride (KCl:NaCl = 95:5 or higher) [1] Nitrate of potash or saltpeter: potassium nitrate (KNO 3) Sulfate of potash (SOP ...
The diaphragm prevents the reaction of the caustic soda with the chlorine. A diluted caustic brine leaves the cell. The caustic soda must usually be concentrated to 50% and the salt removed. This is done using an evaporative process with about three tonnes of steam per tonne of caustic soda. The salt separated from the caustic brine can be used ...
Caustic paint removers, typically aqueous sodium hydroxide (also known as lye or caustic soda), work by breaking down the chemical bonds of the paint, usually by hydrolysis of the esters that comprise the paint film. [1] Caustic removers must be neutralized or the new finish will fail prematurely.
Lye – potash in a water solution, formed by leaching wood ashes. Potash – potassium carbonate, formed by evaporating lye; also called salt of tartar. K 2 CO 3; Pearlash – formed by baking potash in a kiln. Milk of sulfur (lac sulphuris) – formed by adding an acid to thion hudor (lime sulfur). Natron/soda ash/soda – sodium carbonate ...