Water reacts with the sodium metal of the amalgam in the decomposer: Na-Hg + H2O→ Na+ + OH– + ½H2↑ + Hg In chlor-alkali diaphragm cells, a diaphragm is employed to separate chlorine liberated at the anode
8.1Na++1e−→Na(or,withwater→NaOH+1/2H2) 8.2Cl−−1e−→1/2Cl2 A sodium hydroxide product, without separation, would react vigorously with chlorine to give sodium chloride and sodium hypochlorite (Eqs 8.3,8.4), so that similar precautions are required with either option. ...
Caustic evaporation, where the sodium hydroxide solution is concentrated to a 50% or 70% solution, evaporates about 5 tons of water per ton of 50% caustic soda produced. The water vapor from the evaporators is condensed, and in the case of the diaphragm process, will contain about 15% cau...
The meaning of SODIUM HYDRIDE is a flammable gray to white crystalline compound NaH that is made by reaction of hydrogen and sodium, that is decomposed by water to yield hydrogen and sodium hydroxide, and that is used chiefly in organic synthesis and in
Sodium hydroxide is a kind of hydriodide. 氢氧化钠就是一种氢氧化物。 Sodium hydroxide in various forms is the most widely used. 各种形式的氢氧化钠是最广泛使用的。 权威例句 FTIR analysis of cellulose treated with sodium hydroxide and carbon dioxide ...
Elementary sodium reacts strongly with water, according to the following reaction mechanism: 2Na(s) + 2H2O → 2NaOH(aq) + H2(g) A colourless solution is formed, consisting of strongly alkalic sodium hydroxide (caustic soda) and hydrogen gas. This is an exothermic reaction. Sodium metal is...
Sodium - Chemical Properties, Reactions, Uses: Generally, elemental sodium is more reactive than lithium, and it reacts with water to form a strong base, sodium hydroxide (NaOH). Its chemistry is well explored. Sodium is ordinarily quite reactive with
The role of sodium hydroxide is increasing as a valuable ingredient to produce hydrogen. However, the vast use of sodium hydroxide is limited due to its (i) corrosive nature and (ii) high-energy-intensive production method. Various current technologies include sodium hydroxide to lower the ...
Sodium hypochlorite is produced through an electrochlorination process that uses an electric current to convert salt water into chlorine (Cl2) and sodium hydroxide (NaOH), which is then transferred to a hypo-reactor to produce 12.5% sodium hypochlorite. Steps in the electrochlorination process:...
Sodium hydroxide is commonly used as an alkaline source. The most important process parameter of FAS bleaching is the reaction temperature, which is the most effective means of controlling the bleaching reaction. When both hydrogen peroxide and FAS are used in a deinking line, it is important to...